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Ubuntu USN · USN-8392-1

Linux kernel vulnerabilities

Published: Thu, 04 Jun 2026 21:28

CVE-2026-43033CVE-2026-43077CVE-2026-31533CVE-2026-31431CVE-2026-46028CVE-2026-31504CVE-2026-43284CVE-2026-43494CVE-2026-43500CVE-2026-43078

Summary

Several security issues were fixed in the Linux kernel.

Details

It was discovered that the Linux kernel algif_aead module did not properly handle in-place cryptographic operations. This flaw is known as Copy Fail. A local attacker could use this to escalate privileges, or possibly escape a container. (CVE-2026-31431) It was discovered that the Linux kernel did not properly handle shared page fragments during socket buffer operations, collectively known as Dirty Frag. A logic flaw existed in the XFRM ESP-in-TCP subsystem and in the RxRPC networking subsystem when processing paged fragments. A local attacker could use this to escalate privileges, or possibly escape a container. (CVE-2026-43284, CVE-2026-43500) Several security issues were discovered in the Linux kernel. An attacker could possibly use these to compromise the system. This update corrects flaws in the following subsystems: - Cryptographic API; - Packet sockets; - RDS protocol; - TLS protocol; (CVE-2026-31504, CVE-2026-31533, CVE-2026-43033, CVE-2026-43077, CVE-2026-43078, CVE-2026-43494, CVE-2026-46028)

Recommended actions per Ubuntu release

StackPatch playbook auto-generated per release codename and per affected package.

Ubuntu bionic

  • linux-aws-5.45.4.0-1160.170~18.04.1apt_upgrade

    Standard apt upgrade. Install 5.4.0-1160.170~18.04.1 from the apt repo.

    sudo apt-get update
    sudo apt-get install --only-upgrade -y linux-aws-5.4

    Most apt upgrades restart their service automatically. needrestart lists anything else.

  • linux-hwe-5.45.4.0-231.251~18.04.1apt_upgrade

    Standard apt upgrade. Install 5.4.0-231.251~18.04.1 from the apt repo.

    sudo apt-get update
    sudo apt-get install --only-upgrade -y linux-hwe-5.4

    Most apt upgrades restart their service automatically. needrestart lists anything else.

  • linux-aws5.4.0.1160.170~18.04.1apt_upgrade

    Standard apt upgrade. Install 5.4.0.1160.170~18.04.1 from the apt repo.

    sudo apt-get update
    sudo apt-get install --only-upgrade -y linux-aws

    Most apt upgrades restart their service automatically. needrestart lists anything else.

  • linux-aws-5.45.4.0.1160.170~18.04.1apt_upgrade

    Standard apt upgrade. Install 5.4.0.1160.170~18.04.1 from the apt repo.

    sudo apt-get update
    sudo apt-get install --only-upgrade -y linux-aws-5.4

    Most apt upgrades restart their service automatically. needrestart lists anything else.

  • linux-aws-5.4-cloud-tools-5.4.0-11605.4.0-1160.170~18.04.1apt_upgrade

    Standard apt upgrade. Install 5.4.0-1160.170~18.04.1 from the apt repo.

    sudo apt-get update
    sudo apt-get install --only-upgrade -y linux-aws-5.4-cloud-tools-5.4.0-1160

    Most apt upgrades restart their service automatically. needrestart lists anything else.

  • linux-aws-5.4-headers-5.4.0-11605.4.0-1160.170~18.04.1apt_upgrade

    Standard apt upgrade. Install 5.4.0-1160.170~18.04.1 from the apt repo.

    sudo apt-get update
    sudo apt-get install --only-upgrade -y linux-aws-5.4-headers-5.4.0-1160

    Most apt upgrades restart their service automatically. needrestart lists anything else.

  • linux-aws-5.4-tools-5.4.0-11605.4.0-1160.170~18.04.1apt_upgrade

    Standard apt upgrade. Install 5.4.0-1160.170~18.04.1 from the apt repo.

    sudo apt-get update
    sudo apt-get install --only-upgrade -y linux-aws-5.4-tools-5.4.0-1160

    Most apt upgrades restart their service automatically. needrestart lists anything else.

  • linux-aws-edge5.4.0.1160.170~18.04.1apt_upgrade

    Standard apt upgrade. Install 5.4.0.1160.170~18.04.1 from the apt repo.

    sudo apt-get update
    sudo apt-get install --only-upgrade -y linux-aws-edge

    Most apt upgrades restart their service automatically. needrestart lists anything else.

  • linux-buildinfo-5.4.0-1160-aws5.4.0-1160.170~18.04.1apt_upgrade

    Standard apt upgrade. Install 5.4.0-1160.170~18.04.1 from the apt repo.

    sudo apt-get update
    sudo apt-get install --only-upgrade -y linux-buildinfo-5.4.0-1160-aws

    Most apt upgrades restart their service automatically. needrestart lists anything else.

  • linux-buildinfo-5.4.0-231-generic5.4.0-231.251~18.04.1apt_upgrade

    Standard apt upgrade. Install 5.4.0-231.251~18.04.1 from the apt repo.

    sudo apt-get update
    sudo apt-get install --only-upgrade -y linux-buildinfo-5.4.0-231-generic

    Most apt upgrades restart their service automatically. needrestart lists anything else.

  • linux-buildinfo-5.4.0-231-lowlatency5.4.0-231.251~18.04.1apt_upgrade

    Standard apt upgrade. Install 5.4.0-231.251~18.04.1 from the apt repo.

    sudo apt-get update
    sudo apt-get install --only-upgrade -y linux-buildinfo-5.4.0-231-lowlatency

    Most apt upgrades restart their service automatically. needrestart lists anything else.

  • linux-cloud-tools-5.4.0-1160-aws5.4.0-1160.170~18.04.1apt_upgrade

    Standard apt upgrade. Install 5.4.0-1160.170~18.04.1 from the apt repo.

    sudo apt-get update
    sudo apt-get install --only-upgrade -y linux-cloud-tools-5.4.0-1160-aws

    Most apt upgrades restart their service automatically. needrestart lists anything else.

  • linux-cloud-tools-5.4.0-231-generic5.4.0-231.251~18.04.1apt_upgrade

    Standard apt upgrade. Install 5.4.0-231.251~18.04.1 from the apt repo.

    sudo apt-get update
    sudo apt-get install --only-upgrade -y linux-cloud-tools-5.4.0-231-generic

    Most apt upgrades restart their service automatically. needrestart lists anything else.

  • linux-cloud-tools-5.4.0-231-lowlatency5.4.0-231.251~18.04.1apt_upgrade

    Standard apt upgrade. Install 5.4.0-231.251~18.04.1 from the apt repo.

    sudo apt-get update
    sudo apt-get install --only-upgrade -y linux-cloud-tools-5.4.0-231-lowlatency

    Most apt upgrades restart their service automatically. needrestart lists anything else.

  • linux-cloud-tools-generic-5.45.4.0.231.251~18.04.1apt_upgrade

    Standard apt upgrade. Install 5.4.0.231.251~18.04.1 from the apt repo.

    sudo apt-get update
    sudo apt-get install --only-upgrade -y linux-cloud-tools-generic-5.4

    Most apt upgrades restart their service automatically. needrestart lists anything else.

  • linux-cloud-tools-generic-hwe-18.045.4.0.231.251~18.04.1apt_upgrade

    Standard apt upgrade. Install 5.4.0.231.251~18.04.1 from the apt repo.

    sudo apt-get update
    sudo apt-get install --only-upgrade -y linux-cloud-tools-generic-hwe-18.04

    Most apt upgrades restart their service automatically. needrestart lists anything else.

  • linux-cloud-tools-generic-hwe-18.04-edge5.4.0.231.251~18.04.1apt_upgrade

    Standard apt upgrade. Install 5.4.0.231.251~18.04.1 from the apt repo.

    sudo apt-get update
    sudo apt-get install --only-upgrade -y linux-cloud-tools-generic-hwe-18.04-edge

    Most apt upgrades restart their service automatically. needrestart lists anything else.

  • linux-cloud-tools-lowlatency-5.45.4.0.231.251~18.04.1apt_upgrade

    Standard apt upgrade. Install 5.4.0.231.251~18.04.1 from the apt repo.

    sudo apt-get update
    sudo apt-get install --only-upgrade -y linux-cloud-tools-lowlatency-5.4

    Most apt upgrades restart their service automatically. needrestart lists anything else.

  • linux-cloud-tools-lowlatency-hwe-18.045.4.0.231.251~18.04.1apt_upgrade

    Standard apt upgrade. Install 5.4.0.231.251~18.04.1 from the apt repo.

    sudo apt-get update
    sudo apt-get install --only-upgrade -y linux-cloud-tools-lowlatency-hwe-18.04

    Most apt upgrades restart their service automatically. needrestart lists anything else.

  • linux-cloud-tools-lowlatency-hwe-18.04-edge5.4.0.231.251~18.04.1apt_upgrade

    Standard apt upgrade. Install 5.4.0.231.251~18.04.1 from the apt repo.

    sudo apt-get update
    sudo apt-get install --only-upgrade -y linux-cloud-tools-lowlatency-hwe-18.04-edge

    Most apt upgrades restart their service automatically. needrestart lists anything else.

  • linux-cloud-tools-virtual-5.45.4.0.231.251~18.04.1apt_upgrade

    Standard apt upgrade. Install 5.4.0.231.251~18.04.1 from the apt repo.

    sudo apt-get update
    sudo apt-get install --only-upgrade -y linux-cloud-tools-virtual-5.4

    Most apt upgrades restart their service automatically. needrestart lists anything else.

  • linux-cloud-tools-virtual-hwe-18.045.4.0.231.251~18.04.1apt_upgrade

    Standard apt upgrade. Install 5.4.0.231.251~18.04.1 from the apt repo.

    sudo apt-get update
    sudo apt-get install --only-upgrade -y linux-cloud-tools-virtual-hwe-18.04

    Most apt upgrades restart their service automatically. needrestart lists anything else.

  • linux-cloud-tools-virtual-hwe-18.04-edge5.4.0.231.251~18.04.1apt_upgrade

    Standard apt upgrade. Install 5.4.0.231.251~18.04.1 from the apt repo.

    sudo apt-get update
    sudo apt-get install --only-upgrade -y linux-cloud-tools-virtual-hwe-18.04-edge

    Most apt upgrades restart their service automatically. needrestart lists anything else.

  • linux-generic-5.45.4.0.231.251~18.04.1apt_upgrade

    Standard apt upgrade. Install 5.4.0.231.251~18.04.1 from the apt repo.

    sudo apt-get update
    sudo apt-get install --only-upgrade -y linux-generic-5.4

    Most apt upgrades restart their service automatically. needrestart lists anything else.

  • linux-generic-hwe-18.045.4.0.231.251~18.04.1apt_upgrade

    Standard apt upgrade. Install 5.4.0.231.251~18.04.1 from the apt repo.

    sudo apt-get update
    sudo apt-get install --only-upgrade -y linux-generic-hwe-18.04

    Most apt upgrades restart their service automatically. needrestart lists anything else.

  • linux-generic-hwe-18.04-edge5.4.0.231.251~18.04.1apt_upgrade

    Standard apt upgrade. Install 5.4.0.231.251~18.04.1 from the apt repo.

    sudo apt-get update
    sudo apt-get install --only-upgrade -y linux-generic-hwe-18.04-edge

    Most apt upgrades restart their service automatically. needrestart lists anything else.

  • linux-headers-5.4.0-1160-aws5.4.0-1160.170~18.04.1kernel_reboot

    Kernel package — apt-upgrade then REBOOT to load the patched kernel.

    sudo apt-get update
    sudo apt-get install --only-upgrade -y linux-headers-5.4.0-1160-aws
    sudo reboot

    Reboot is required. ~30-60s downtime; containers self-restart.

  • linux-headers-5.4.0-231-generic5.4.0-231.251~18.04.1kernel_reboot

    Kernel package — apt-upgrade then REBOOT to load the patched kernel.

    sudo apt-get update
    sudo apt-get install --only-upgrade -y linux-headers-5.4.0-231-generic
    sudo reboot

    Reboot is required. ~30-60s downtime; containers self-restart.

  • linux-headers-5.4.0-231-lowlatency5.4.0-231.251~18.04.1kernel_reboot

    Kernel package — apt-upgrade then REBOOT to load the patched kernel.

    sudo apt-get update
    sudo apt-get install --only-upgrade -y linux-headers-5.4.0-231-lowlatency
    sudo reboot

    Reboot is required. ~30-60s downtime; containers self-restart.

  • linux-headers-aws5.4.0.1160.170~18.04.1kernel_reboot

    Kernel package — apt-upgrade then REBOOT to load the patched kernel.

    sudo apt-get update
    sudo apt-get install --only-upgrade -y linux-headers-aws
    sudo reboot

    Reboot is required. ~30-60s downtime; containers self-restart.

  • linux-headers-aws-5.45.4.0.1160.170~18.04.1kernel_reboot

    Kernel package — apt-upgrade then REBOOT to load the patched kernel.

    sudo apt-get update
    sudo apt-get install --only-upgrade -y linux-headers-aws-5.4
    sudo reboot

    Reboot is required. ~30-60s downtime; containers self-restart.

  • linux-headers-aws-edge5.4.0.1160.170~18.04.1kernel_reboot

    Kernel package — apt-upgrade then REBOOT to load the patched kernel.

    sudo apt-get update
    sudo apt-get install --only-upgrade -y linux-headers-aws-edge
    sudo reboot

    Reboot is required. ~30-60s downtime; containers self-restart.

  • linux-headers-generic-5.45.4.0.231.251~18.04.1kernel_reboot

    Kernel package — apt-upgrade then REBOOT to load the patched kernel.

    sudo apt-get update
    sudo apt-get install --only-upgrade -y linux-headers-generic-5.4
    sudo reboot

    Reboot is required. ~30-60s downtime; containers self-restart.

  • linux-headers-generic-hwe-18.045.4.0.231.251~18.04.1kernel_reboot

    Kernel package — apt-upgrade then REBOOT to load the patched kernel.

    sudo apt-get update
    sudo apt-get install --only-upgrade -y linux-headers-generic-hwe-18.04
    sudo reboot

    Reboot is required. ~30-60s downtime; containers self-restart.

  • linux-headers-generic-hwe-18.04-edge5.4.0.231.251~18.04.1kernel_reboot

    Kernel package — apt-upgrade then REBOOT to load the patched kernel.

    sudo apt-get update
    sudo apt-get install --only-upgrade -y linux-headers-generic-hwe-18.04-edge
    sudo reboot

    Reboot is required. ~30-60s downtime; containers self-restart.

  • linux-headers-lowlatency-5.45.4.0.231.251~18.04.1kernel_reboot

    Kernel package — apt-upgrade then REBOOT to load the patched kernel.

    sudo apt-get update
    sudo apt-get install --only-upgrade -y linux-headers-lowlatency-5.4
    sudo reboot

    Reboot is required. ~30-60s downtime; containers self-restart.

  • linux-headers-lowlatency-hwe-18.045.4.0.231.251~18.04.1kernel_reboot

    Kernel package — apt-upgrade then REBOOT to load the patched kernel.

    sudo apt-get update
    sudo apt-get install --only-upgrade -y linux-headers-lowlatency-hwe-18.04
    sudo reboot

    Reboot is required. ~30-60s downtime; containers self-restart.

  • linux-headers-lowlatency-hwe-18.04-edge5.4.0.231.251~18.04.1kernel_reboot

    Kernel package — apt-upgrade then REBOOT to load the patched kernel.

    sudo apt-get update
    sudo apt-get install --only-upgrade -y linux-headers-lowlatency-hwe-18.04-edge
    sudo reboot

    Reboot is required. ~30-60s downtime; containers self-restart.

  • linux-headers-oem5.4.0.231.251~18.04.1kernel_reboot

    Kernel package — apt-upgrade then REBOOT to load the patched kernel.

    sudo apt-get update
    sudo apt-get install --only-upgrade -y linux-headers-oem
    sudo reboot

    Reboot is required. ~30-60s downtime; containers self-restart.

  • linux-headers-oem-osp15.4.0.231.251~18.04.1kernel_reboot

    Kernel package — apt-upgrade then REBOOT to load the patched kernel.

    sudo apt-get update
    sudo apt-get install --only-upgrade -y linux-headers-oem-osp1
    sudo reboot

    Reboot is required. ~30-60s downtime; containers self-restart.

  • linux-headers-snapdragon-5.45.4.0.231.251~18.04.1kernel_reboot

    Kernel package — apt-upgrade then REBOOT to load the patched kernel.

    sudo apt-get update
    sudo apt-get install --only-upgrade -y linux-headers-snapdragon-5.4
    sudo reboot

    Reboot is required. ~30-60s downtime; containers self-restart.

  • linux-headers-snapdragon-hwe-18.045.4.0.231.251~18.04.1kernel_reboot

    Kernel package — apt-upgrade then REBOOT to load the patched kernel.

    sudo apt-get update
    sudo apt-get install --only-upgrade -y linux-headers-snapdragon-hwe-18.04
    sudo reboot

    Reboot is required. ~30-60s downtime; containers self-restart.

  • linux-headers-snapdragon-hwe-18.04-edge5.4.0.231.251~18.04.1kernel_reboot

    Kernel package — apt-upgrade then REBOOT to load the patched kernel.

    sudo apt-get update
    sudo apt-get install --only-upgrade -y linux-headers-snapdragon-hwe-18.04-edge
    sudo reboot

    Reboot is required. ~30-60s downtime; containers self-restart.

  • linux-headers-virtual-5.45.4.0.231.251~18.04.1kernel_reboot

    Kernel package — apt-upgrade then REBOOT to load the patched kernel.

    sudo apt-get update
    sudo apt-get install --only-upgrade -y linux-headers-virtual-5.4
    sudo reboot

    Reboot is required. ~30-60s downtime; containers self-restart.

  • linux-headers-virtual-hwe-18.045.4.0.231.251~18.04.1kernel_reboot

    Kernel package — apt-upgrade then REBOOT to load the patched kernel.

    sudo apt-get update
    sudo apt-get install --only-upgrade -y linux-headers-virtual-hwe-18.04
    sudo reboot

    Reboot is required. ~30-60s downtime; containers self-restart.

  • linux-headers-virtual-hwe-18.04-edge5.4.0.231.251~18.04.1kernel_reboot

    Kernel package — apt-upgrade then REBOOT to load the patched kernel.

    sudo apt-get update
    sudo apt-get install --only-upgrade -y linux-headers-virtual-hwe-18.04-edge
    sudo reboot

    Reboot is required. ~30-60s downtime; containers self-restart.

  • linux-hwe-5.4-cloud-tools-5.4.0-2315.4.0-231.251~18.04.1apt_upgrade

    Standard apt upgrade. Install 5.4.0-231.251~18.04.1 from the apt repo.

    sudo apt-get update
    sudo apt-get install --only-upgrade -y linux-hwe-5.4-cloud-tools-5.4.0-231

    Most apt upgrades restart their service automatically. needrestart lists anything else.

  • linux-hwe-5.4-cloud-tools-common5.4.0-231.251~18.04.1apt_upgrade

    Standard apt upgrade. Install 5.4.0-231.251~18.04.1 from the apt repo.

    sudo apt-get update
    sudo apt-get install --only-upgrade -y linux-hwe-5.4-cloud-tools-common

    Most apt upgrades restart their service automatically. needrestart lists anything else.

  • linux-hwe-5.4-headers-5.4.0-2315.4.0-231.251~18.04.1apt_upgrade

    Standard apt upgrade. Install 5.4.0-231.251~18.04.1 from the apt repo.

    sudo apt-get update
    sudo apt-get install --only-upgrade -y linux-hwe-5.4-headers-5.4.0-231

    Most apt upgrades restart their service automatically. needrestart lists anything else.

  • linux-hwe-5.4-source-5.4.05.4.0-231.251~18.04.1apt_upgrade

    Standard apt upgrade. Install 5.4.0-231.251~18.04.1 from the apt repo.

    sudo apt-get update
    sudo apt-get install --only-upgrade -y linux-hwe-5.4-source-5.4.0

    Most apt upgrades restart their service automatically. needrestart lists anything else.

  • linux-hwe-5.4-tools-5.4.0-2315.4.0-231.251~18.04.1apt_upgrade

    Standard apt upgrade. Install 5.4.0-231.251~18.04.1 from the apt repo.

    sudo apt-get update
    sudo apt-get install --only-upgrade -y linux-hwe-5.4-tools-5.4.0-231

    Most apt upgrades restart their service automatically. needrestart lists anything else.

  • linux-hwe-5.4-tools-common5.4.0-231.251~18.04.1apt_upgrade

    Standard apt upgrade. Install 5.4.0-231.251~18.04.1 from the apt repo.

    sudo apt-get update
    sudo apt-get install --only-upgrade -y linux-hwe-5.4-tools-common

    Most apt upgrades restart their service automatically. needrestart lists anything else.

  • linux-image-5.4.0-1160-aws5.4.0-1160.170~18.04.1kernel_reboot

    Kernel package — apt-upgrade then REBOOT to load the patched kernel.

    sudo apt-get update
    sudo apt-get install --only-upgrade -y linux-image-5.4.0-1160-aws
    sudo reboot

    Reboot is required. ~30-60s downtime; containers self-restart.

  • linux-image-5.4.0-231-generic5.4.0-231.251~18.04.1kernel_reboot

    Kernel package — apt-upgrade then REBOOT to load the patched kernel.

    sudo apt-get update
    sudo apt-get install --only-upgrade -y linux-image-5.4.0-231-generic
    sudo reboot

    Reboot is required. ~30-60s downtime; containers self-restart.

  • linux-image-5.4.0-231-lowlatency5.4.0-231.251~18.04.1kernel_reboot

    Kernel package — apt-upgrade then REBOOT to load the patched kernel.

    sudo apt-get update
    sudo apt-get install --only-upgrade -y linux-image-5.4.0-231-lowlatency
    sudo reboot

    Reboot is required. ~30-60s downtime; containers self-restart.

  • linux-image-aws5.4.0.1160.170~18.04.1kernel_reboot

    Kernel package — apt-upgrade then REBOOT to load the patched kernel.

    sudo apt-get update
    sudo apt-get install --only-upgrade -y linux-image-aws
    sudo reboot

    Reboot is required. ~30-60s downtime; containers self-restart.

  • linux-image-aws-5.45.4.0.1160.170~18.04.1kernel_reboot

    Kernel package — apt-upgrade then REBOOT to load the patched kernel.

    sudo apt-get update
    sudo apt-get install --only-upgrade -y linux-image-aws-5.4
    sudo reboot

    Reboot is required. ~30-60s downtime; containers self-restart.

  • linux-image-aws-edge5.4.0.1160.170~18.04.1kernel_reboot

    Kernel package — apt-upgrade then REBOOT to load the patched kernel.

    sudo apt-get update
    sudo apt-get install --only-upgrade -y linux-image-aws-edge
    sudo reboot

    Reboot is required. ~30-60s downtime; containers self-restart.

  • linux-image-extra-virtual-5.45.4.0.231.251~18.04.1kernel_reboot

    Kernel package — apt-upgrade then REBOOT to load the patched kernel.

    sudo apt-get update
    sudo apt-get install --only-upgrade -y linux-image-extra-virtual-5.4
    sudo reboot

    Reboot is required. ~30-60s downtime; containers self-restart.

  • linux-image-extra-virtual-hwe-18.045.4.0.231.251~18.04.1kernel_reboot

    Kernel package — apt-upgrade then REBOOT to load the patched kernel.

    sudo apt-get update
    sudo apt-get install --only-upgrade -y linux-image-extra-virtual-hwe-18.04
    sudo reboot

    Reboot is required. ~30-60s downtime; containers self-restart.

  • linux-image-extra-virtual-hwe-18.04-edge5.4.0.231.251~18.04.1kernel_reboot

    Kernel package — apt-upgrade then REBOOT to load the patched kernel.

    sudo apt-get update
    sudo apt-get install --only-upgrade -y linux-image-extra-virtual-hwe-18.04-edge
    sudo reboot

    Reboot is required. ~30-60s downtime; containers self-restart.

  • linux-image-generic-5.45.4.0.231.251~18.04.1kernel_reboot

    Kernel package — apt-upgrade then REBOOT to load the patched kernel.

    sudo apt-get update
    sudo apt-get install --only-upgrade -y linux-image-generic-5.4
    sudo reboot

    Reboot is required. ~30-60s downtime; containers self-restart.

  • linux-image-generic-hwe-18.045.4.0.231.251~18.04.1kernel_reboot

    Kernel package — apt-upgrade then REBOOT to load the patched kernel.

    sudo apt-get update
    sudo apt-get install --only-upgrade -y linux-image-generic-hwe-18.04
    sudo reboot

    Reboot is required. ~30-60s downtime; containers self-restart.

  • linux-image-generic-hwe-18.04-edge5.4.0.231.251~18.04.1kernel_reboot

    Kernel package — apt-upgrade then REBOOT to load the patched kernel.

    sudo apt-get update
    sudo apt-get install --only-upgrade -y linux-image-generic-hwe-18.04-edge
    sudo reboot

    Reboot is required. ~30-60s downtime; containers self-restart.

  • linux-image-lowlatency-5.45.4.0.231.251~18.04.1kernel_reboot

    Kernel package — apt-upgrade then REBOOT to load the patched kernel.

    sudo apt-get update
    sudo apt-get install --only-upgrade -y linux-image-lowlatency-5.4
    sudo reboot

    Reboot is required. ~30-60s downtime; containers self-restart.

  • linux-image-lowlatency-hwe-18.045.4.0.231.251~18.04.1kernel_reboot

    Kernel package — apt-upgrade then REBOOT to load the patched kernel.

    sudo apt-get update
    sudo apt-get install --only-upgrade -y linux-image-lowlatency-hwe-18.04
    sudo reboot

    Reboot is required. ~30-60s downtime; containers self-restart.

  • linux-image-lowlatency-hwe-18.04-edge5.4.0.231.251~18.04.1kernel_reboot

    Kernel package — apt-upgrade then REBOOT to load the patched kernel.

    sudo apt-get update
    sudo apt-get install --only-upgrade -y linux-image-lowlatency-hwe-18.04-edge
    sudo reboot

    Reboot is required. ~30-60s downtime; containers self-restart.

  • linux-image-oem5.4.0.231.251~18.04.1kernel_reboot

    Kernel package — apt-upgrade then REBOOT to load the patched kernel.

    sudo apt-get update
    sudo apt-get install --only-upgrade -y linux-image-oem
    sudo reboot

    Reboot is required. ~30-60s downtime; containers self-restart.

  • linux-image-oem-osp15.4.0.231.251~18.04.1kernel_reboot

    Kernel package — apt-upgrade then REBOOT to load the patched kernel.

    sudo apt-get update
    sudo apt-get install --only-upgrade -y linux-image-oem-osp1
    sudo reboot

    Reboot is required. ~30-60s downtime; containers self-restart.

  • linux-image-snapdragon-5.45.4.0.231.251~18.04.1kernel_reboot

    Kernel package — apt-upgrade then REBOOT to load the patched kernel.

    sudo apt-get update
    sudo apt-get install --only-upgrade -y linux-image-snapdragon-5.4
    sudo reboot

    Reboot is required. ~30-60s downtime; containers self-restart.

  • linux-image-snapdragon-hwe-18.045.4.0.231.251~18.04.1kernel_reboot

    Kernel package — apt-upgrade then REBOOT to load the patched kernel.

    sudo apt-get update
    sudo apt-get install --only-upgrade -y linux-image-snapdragon-hwe-18.04
    sudo reboot

    Reboot is required. ~30-60s downtime; containers self-restart.

  • linux-image-snapdragon-hwe-18.04-edge5.4.0.231.251~18.04.1kernel_reboot

    Kernel package — apt-upgrade then REBOOT to load the patched kernel.

    sudo apt-get update
    sudo apt-get install --only-upgrade -y linux-image-snapdragon-hwe-18.04-edge
    sudo reboot

    Reboot is required. ~30-60s downtime; containers self-restart.

  • linux-image-unsigned-5.4.0-1160-aws5.4.0-1160.170~18.04.1kernel_reboot

    Kernel package — apt-upgrade then REBOOT to load the patched kernel.

    sudo apt-get update
    sudo apt-get install --only-upgrade -y linux-image-unsigned-5.4.0-1160-aws
    sudo reboot

    Reboot is required. ~30-60s downtime; containers self-restart.

  • linux-image-unsigned-5.4.0-231-generic5.4.0-231.251~18.04.1kernel_reboot

    Kernel package — apt-upgrade then REBOOT to load the patched kernel.

    sudo apt-get update
    sudo apt-get install --only-upgrade -y linux-image-unsigned-5.4.0-231-generic
    sudo reboot

    Reboot is required. ~30-60s downtime; containers self-restart.

  • linux-image-unsigned-5.4.0-231-lowlatency5.4.0-231.251~18.04.1kernel_reboot

    Kernel package — apt-upgrade then REBOOT to load the patched kernel.

    sudo apt-get update
    sudo apt-get install --only-upgrade -y linux-image-unsigned-5.4.0-231-lowlatency
    sudo reboot

    Reboot is required. ~30-60s downtime; containers self-restart.

  • linux-image-virtual-5.45.4.0.231.251~18.04.1kernel_reboot

    Kernel package — apt-upgrade then REBOOT to load the patched kernel.

    sudo apt-get update
    sudo apt-get install --only-upgrade -y linux-image-virtual-5.4
    sudo reboot

    Reboot is required. ~30-60s downtime; containers self-restart.

  • linux-image-virtual-hwe-18.045.4.0.231.251~18.04.1kernel_reboot

    Kernel package — apt-upgrade then REBOOT to load the patched kernel.

    sudo apt-get update
    sudo apt-get install --only-upgrade -y linux-image-virtual-hwe-18.04
    sudo reboot

    Reboot is required. ~30-60s downtime; containers self-restart.

  • linux-image-virtual-hwe-18.04-edge5.4.0.231.251~18.04.1kernel_reboot

    Kernel package — apt-upgrade then REBOOT to load the patched kernel.

    sudo apt-get update
    sudo apt-get install --only-upgrade -y linux-image-virtual-hwe-18.04-edge
    sudo reboot

    Reboot is required. ~30-60s downtime; containers self-restart.

  • linux-lowlatency-5.45.4.0.231.251~18.04.1apt_upgrade

    Standard apt upgrade. Install 5.4.0.231.251~18.04.1 from the apt repo.

    sudo apt-get update
    sudo apt-get install --only-upgrade -y linux-lowlatency-5.4

    Most apt upgrades restart their service automatically. needrestart lists anything else.

  • linux-lowlatency-hwe-18.045.4.0.231.251~18.04.1apt_upgrade

    Standard apt upgrade. Install 5.4.0.231.251~18.04.1 from the apt repo.

    sudo apt-get update
    sudo apt-get install --only-upgrade -y linux-lowlatency-hwe-18.04

    Most apt upgrades restart their service automatically. needrestart lists anything else.

  • linux-lowlatency-hwe-18.04-edge5.4.0.231.251~18.04.1apt_upgrade

    Standard apt upgrade. Install 5.4.0.231.251~18.04.1 from the apt repo.

    sudo apt-get update
    sudo apt-get install --only-upgrade -y linux-lowlatency-hwe-18.04-edge

    Most apt upgrades restart their service automatically. needrestart lists anything else.

  • linux-modules-5.4.0-1160-aws5.4.0-1160.170~18.04.1kernel_reboot

    Kernel package — apt-upgrade then REBOOT to load the patched kernel.

    sudo apt-get update
    sudo apt-get install --only-upgrade -y linux-modules-5.4.0-1160-aws
    sudo reboot

    Reboot is required. ~30-60s downtime; containers self-restart.

  • linux-modules-5.4.0-231-generic5.4.0-231.251~18.04.1kernel_reboot

    Kernel package — apt-upgrade then REBOOT to load the patched kernel.

    sudo apt-get update
    sudo apt-get install --only-upgrade -y linux-modules-5.4.0-231-generic
    sudo reboot

    Reboot is required. ~30-60s downtime; containers self-restart.

  • linux-modules-5.4.0-231-lowlatency5.4.0-231.251~18.04.1kernel_reboot

    Kernel package — apt-upgrade then REBOOT to load the patched kernel.

    sudo apt-get update
    sudo apt-get install --only-upgrade -y linux-modules-5.4.0-231-lowlatency
    sudo reboot

    Reboot is required. ~30-60s downtime; containers self-restart.

  • linux-modules-extra-5.4.0-1160-aws5.4.0-1160.170~18.04.1kernel_reboot

    Kernel package — apt-upgrade then REBOOT to load the patched kernel.

    sudo apt-get update
    sudo apt-get install --only-upgrade -y linux-modules-extra-5.4.0-1160-aws
    sudo reboot

    Reboot is required. ~30-60s downtime; containers self-restart.

  • linux-modules-extra-5.4.0-231-generic5.4.0-231.251~18.04.1kernel_reboot

    Kernel package — apt-upgrade then REBOOT to load the patched kernel.

    sudo apt-get update
    sudo apt-get install --only-upgrade -y linux-modules-extra-5.4.0-231-generic
    sudo reboot

    Reboot is required. ~30-60s downtime; containers self-restart.

  • linux-modules-extra-aws5.4.0.1160.170~18.04.1kernel_reboot

    Kernel package — apt-upgrade then REBOOT to load the patched kernel.

    sudo apt-get update
    sudo apt-get install --only-upgrade -y linux-modules-extra-aws
    sudo reboot

    Reboot is required. ~30-60s downtime; containers self-restart.

  • linux-modules-extra-aws-5.45.4.0.1160.170~18.04.1kernel_reboot

    Kernel package — apt-upgrade then REBOOT to load the patched kernel.

    sudo apt-get update
    sudo apt-get install --only-upgrade -y linux-modules-extra-aws-5.4
    sudo reboot

    Reboot is required. ~30-60s downtime; containers self-restart.

  • linux-modules-extra-aws-edge5.4.0.1160.170~18.04.1kernel_reboot

    Kernel package — apt-upgrade then REBOOT to load the patched kernel.

    sudo apt-get update
    sudo apt-get install --only-upgrade -y linux-modules-extra-aws-edge
    sudo reboot

    Reboot is required. ~30-60s downtime; containers self-restart.

  • linux-modules-extra-virtual-5.45.4.0.231.251~18.04.1kernel_reboot

    Kernel package — apt-upgrade then REBOOT to load the patched kernel.

    sudo apt-get update
    sudo apt-get install --only-upgrade -y linux-modules-extra-virtual-5.4
    sudo reboot

    Reboot is required. ~30-60s downtime; containers self-restart.

  • linux-modules-extra-virtual-hwe-18.045.4.0.231.251~18.04.1kernel_reboot

    Kernel package — apt-upgrade then REBOOT to load the patched kernel.

    sudo apt-get update
    sudo apt-get install --only-upgrade -y linux-modules-extra-virtual-hwe-18.04
    sudo reboot

    Reboot is required. ~30-60s downtime; containers self-restart.

  • linux-modules-extra-virtual-hwe-18.04-edge5.4.0.231.251~18.04.1kernel_reboot

    Kernel package — apt-upgrade then REBOOT to load the patched kernel.

    sudo apt-get update
    sudo apt-get install --only-upgrade -y linux-modules-extra-virtual-hwe-18.04-edge
    sudo reboot

    Reboot is required. ~30-60s downtime; containers self-restart.

  • linux-oem5.4.0.231.251~18.04.1apt_upgrade

    Standard apt upgrade. Install 5.4.0.231.251~18.04.1 from the apt repo.

    sudo apt-get update
    sudo apt-get install --only-upgrade -y linux-oem

    Most apt upgrades restart their service automatically. needrestart lists anything else.

  • linux-oem-osp15.4.0.231.251~18.04.1apt_upgrade

    Standard apt upgrade. Install 5.4.0.231.251~18.04.1 from the apt repo.

    sudo apt-get update
    sudo apt-get install --only-upgrade -y linux-oem-osp1

    Most apt upgrades restart their service automatically. needrestart lists anything else.

  • linux-snapdragon-5.45.4.0.231.251~18.04.1apt_upgrade

    Standard apt upgrade. Install 5.4.0.231.251~18.04.1 from the apt repo.

    sudo apt-get update
    sudo apt-get install --only-upgrade -y linux-snapdragon-5.4

    Most apt upgrades restart their service automatically. needrestart lists anything else.

  • linux-snapdragon-hwe-18.045.4.0.231.251~18.04.1apt_upgrade

    Standard apt upgrade. Install 5.4.0.231.251~18.04.1 from the apt repo.

    sudo apt-get update
    sudo apt-get install --only-upgrade -y linux-snapdragon-hwe-18.04

    Most apt upgrades restart their service automatically. needrestart lists anything else.

  • linux-snapdragon-hwe-18.04-edge5.4.0.231.251~18.04.1apt_upgrade

    Standard apt upgrade. Install 5.4.0.231.251~18.04.1 from the apt repo.

    sudo apt-get update
    sudo apt-get install --only-upgrade -y linux-snapdragon-hwe-18.04-edge

    Most apt upgrades restart their service automatically. needrestart lists anything else.

  • linux-tools-5.4.0-1160-aws5.4.0-1160.170~18.04.1apt_upgrade

    Standard apt upgrade. Install 5.4.0-1160.170~18.04.1 from the apt repo.

    sudo apt-get update
    sudo apt-get install --only-upgrade -y linux-tools-5.4.0-1160-aws

    Most apt upgrades restart their service automatically. needrestart lists anything else.

  • linux-tools-5.4.0-231-generic5.4.0-231.251~18.04.1apt_upgrade

    Standard apt upgrade. Install 5.4.0-231.251~18.04.1 from the apt repo.

    sudo apt-get update
    sudo apt-get install --only-upgrade -y linux-tools-5.4.0-231-generic

    Most apt upgrades restart their service automatically. needrestart lists anything else.

  • linux-tools-5.4.0-231-lowlatency5.4.0-231.251~18.04.1apt_upgrade

    Standard apt upgrade. Install 5.4.0-231.251~18.04.1 from the apt repo.

    sudo apt-get update
    sudo apt-get install --only-upgrade -y linux-tools-5.4.0-231-lowlatency

    Most apt upgrades restart their service automatically. needrestart lists anything else.

  • linux-tools-aws5.4.0.1160.170~18.04.1apt_upgrade

    Standard apt upgrade. Install 5.4.0.1160.170~18.04.1 from the apt repo.

    sudo apt-get update
    sudo apt-get install --only-upgrade -y linux-tools-aws

    Most apt upgrades restart their service automatically. needrestart lists anything else.

  • linux-tools-aws-5.45.4.0.1160.170~18.04.1apt_upgrade

    Standard apt upgrade. Install 5.4.0.1160.170~18.04.1 from the apt repo.

    sudo apt-get update
    sudo apt-get install --only-upgrade -y linux-tools-aws-5.4

    Most apt upgrades restart their service automatically. needrestart lists anything else.

  • linux-tools-aws-edge5.4.0.1160.170~18.04.1apt_upgrade

    Standard apt upgrade. Install 5.4.0.1160.170~18.04.1 from the apt repo.

    sudo apt-get update
    sudo apt-get install --only-upgrade -y linux-tools-aws-edge

    Most apt upgrades restart their service automatically. needrestart lists anything else.

  • linux-tools-generic-5.45.4.0.231.251~18.04.1apt_upgrade

    Standard apt upgrade. Install 5.4.0.231.251~18.04.1 from the apt repo.

    sudo apt-get update
    sudo apt-get install --only-upgrade -y linux-tools-generic-5.4

    Most apt upgrades restart their service automatically. needrestart lists anything else.

  • linux-tools-generic-hwe-18.045.4.0.231.251~18.04.1apt_upgrade

    Standard apt upgrade. Install 5.4.0.231.251~18.04.1 from the apt repo.

    sudo apt-get update
    sudo apt-get install --only-upgrade -y linux-tools-generic-hwe-18.04

    Most apt upgrades restart their service automatically. needrestart lists anything else.

  • linux-tools-generic-hwe-18.04-edge5.4.0.231.251~18.04.1apt_upgrade

    Standard apt upgrade. Install 5.4.0.231.251~18.04.1 from the apt repo.

    sudo apt-get update
    sudo apt-get install --only-upgrade -y linux-tools-generic-hwe-18.04-edge

    Most apt upgrades restart their service automatically. needrestart lists anything else.

  • linux-tools-lowlatency-5.45.4.0.231.251~18.04.1apt_upgrade

    Standard apt upgrade. Install 5.4.0.231.251~18.04.1 from the apt repo.

    sudo apt-get update
    sudo apt-get install --only-upgrade -y linux-tools-lowlatency-5.4

    Most apt upgrades restart their service automatically. needrestart lists anything else.

  • linux-tools-lowlatency-hwe-18.045.4.0.231.251~18.04.1apt_upgrade

    Standard apt upgrade. Install 5.4.0.231.251~18.04.1 from the apt repo.

    sudo apt-get update
    sudo apt-get install --only-upgrade -y linux-tools-lowlatency-hwe-18.04

    Most apt upgrades restart their service automatically. needrestart lists anything else.

  • linux-tools-lowlatency-hwe-18.04-edge5.4.0.231.251~18.04.1apt_upgrade

    Standard apt upgrade. Install 5.4.0.231.251~18.04.1 from the apt repo.

    sudo apt-get update
    sudo apt-get install --only-upgrade -y linux-tools-lowlatency-hwe-18.04-edge

    Most apt upgrades restart their service automatically. needrestart lists anything else.

  • linux-tools-oem5.4.0.231.251~18.04.1apt_upgrade

    Standard apt upgrade. Install 5.4.0.231.251~18.04.1 from the apt repo.

    sudo apt-get update
    sudo apt-get install --only-upgrade -y linux-tools-oem

    Most apt upgrades restart their service automatically. needrestart lists anything else.

  • linux-tools-oem-osp15.4.0.231.251~18.04.1apt_upgrade

    Standard apt upgrade. Install 5.4.0.231.251~18.04.1 from the apt repo.

    sudo apt-get update
    sudo apt-get install --only-upgrade -y linux-tools-oem-osp1

    Most apt upgrades restart their service automatically. needrestart lists anything else.

  • linux-tools-snapdragon-5.45.4.0.231.251~18.04.1apt_upgrade

    Standard apt upgrade. Install 5.4.0.231.251~18.04.1 from the apt repo.

    sudo apt-get update
    sudo apt-get install --only-upgrade -y linux-tools-snapdragon-5.4

    Most apt upgrades restart their service automatically. needrestart lists anything else.

  • linux-tools-snapdragon-hwe-18.045.4.0.231.251~18.04.1apt_upgrade

    Standard apt upgrade. Install 5.4.0.231.251~18.04.1 from the apt repo.

    sudo apt-get update
    sudo apt-get install --only-upgrade -y linux-tools-snapdragon-hwe-18.04

    Most apt upgrades restart their service automatically. needrestart lists anything else.

  • linux-tools-snapdragon-hwe-18.04-edge5.4.0.231.251~18.04.1apt_upgrade

    Standard apt upgrade. Install 5.4.0.231.251~18.04.1 from the apt repo.

    sudo apt-get update
    sudo apt-get install --only-upgrade -y linux-tools-snapdragon-hwe-18.04-edge

    Most apt upgrades restart their service automatically. needrestart lists anything else.

  • linux-tools-virtual-5.45.4.0.231.251~18.04.1apt_upgrade

    Standard apt upgrade. Install 5.4.0.231.251~18.04.1 from the apt repo.

    sudo apt-get update
    sudo apt-get install --only-upgrade -y linux-tools-virtual-5.4

    Most apt upgrades restart their service automatically. needrestart lists anything else.

  • linux-tools-virtual-hwe-18.045.4.0.231.251~18.04.1apt_upgrade

    Standard apt upgrade. Install 5.4.0.231.251~18.04.1 from the apt repo.

    sudo apt-get update
    sudo apt-get install --only-upgrade -y linux-tools-virtual-hwe-18.04

    Most apt upgrades restart their service automatically. needrestart lists anything else.

  • linux-tools-virtual-hwe-18.04-edge5.4.0.231.251~18.04.1apt_upgrade

    Standard apt upgrade. Install 5.4.0.231.251~18.04.1 from the apt repo.

    sudo apt-get update
    sudo apt-get install --only-upgrade -y linux-tools-virtual-hwe-18.04-edge

    Most apt upgrades restart their service automatically. needrestart lists anything else.

  • linux-virtual-5.45.4.0.231.251~18.04.1apt_upgrade

    Standard apt upgrade. Install 5.4.0.231.251~18.04.1 from the apt repo.

    sudo apt-get update
    sudo apt-get install --only-upgrade -y linux-virtual-5.4

    Most apt upgrades restart their service automatically. needrestart lists anything else.

  • linux-virtual-hwe-18.045.4.0.231.251~18.04.1apt_upgrade

    Standard apt upgrade. Install 5.4.0.231.251~18.04.1 from the apt repo.

    sudo apt-get update
    sudo apt-get install --only-upgrade -y linux-virtual-hwe-18.04

    Most apt upgrades restart their service automatically. needrestart lists anything else.

  • linux-virtual-hwe-18.04-edge5.4.0.231.251~18.04.1apt_upgrade

    Standard apt upgrade. Install 5.4.0.231.251~18.04.1 from the apt repo.

    sudo apt-get update
    sudo apt-get install --only-upgrade -y linux-virtual-hwe-18.04-edge

    Most apt upgrades restart their service automatically. needrestart lists anything else.

Are YOU affected by USN-8392-1?

5-second check on your actual server. Reads /etc/os-release, uname -r, and dpkg-query; matches against the live USN + Debian Security Tracker feeds; tells you whether USN-8392-1 (and any other live CVE) applies. Anonymous, no signup.

curl https://mindsparkstack.com/scan.sh | bash
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