Ubuntu USN · USN-8637-1

Linux kernel (OEM) vulnerabilities

Published: Thu, 13 Aug 2026 17:59

CVE-2026-53216CVE-2026-53175CVE-2026-46331CVE-2026-53131CVE-2026-53146CVE-2026-53247CVE-2026-53186CVE-2026-53151CVE-2026-53225CVE-2026-53215CVE-2026-53359CVE-2026-53260CVE-2026-53221CVE-2026-52924CVE-2026-53176CVE-2026-53150CVE-2026-53224CVE-2026-53149CVE-2026-53228CVE-2026-53148CVE-2026-53212CVE-2026-53147CVE-2026-53246

Summary

Several security issues were fixed in the Linux kernel.

Details

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: - x86 architecture; - InfiniBand drivers; - Network drivers; - Thunderbolt and USB4 drivers; - Network traffic control; - IPv4 networking; - IPv6 networking; - Netfilter; - RxRPC session sockets; - SCTP protocol; (CVE-2026-46331, CVE-2026-52924, CVE-2026-53131, CVE-2026-53146, CVE-2026-53147, CVE-2026-53148, CVE-2026-53149, CVE-2026-53150, CVE-2026-53151, CVE-2026-53175, CVE-2026-53176, CVE-2026-53186, CVE-2026-53212, CVE-2026-53215, CVE-2026-53216, CVE-2026-53221, CVE-2026-53224, CVE-2026-53225, CVE-2026-53228, CVE-2026-53246, CVE-2026-53247, CVE-2026-53260, CVE-2026-53359)

Recommended actions per Ubuntu release

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

Ubuntu resolute

linux-oem-7.0→7.0.0-1010.10apt_upgrade
Standard apt upgrade. Install 7.0.0-1010.10 from the apt repo.
```
sudo apt-get update
sudo apt-get install --only-upgrade -y linux-oem-7.0
```
Most apt upgrades restart their service automatically. needrestart lists anything else.
linux-buildinfo-7.0.0-1010-oem→7.0.0-1010.10apt_upgrade
Standard apt upgrade. Install 7.0.0-1010.10 from the apt repo.
```
sudo apt-get update
sudo apt-get install --only-upgrade -y linux-buildinfo-7.0.0-1010-oem
```
Most apt upgrades restart their service automatically. needrestart lists anything else.
linux-headers-7.0.0-1010-oem→7.0.0-1010.10kernel_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-7.0.0-1010-oem
sudo reboot
```
Reboot is required. ~30-60s downtime; containers self-restart.
linux-headers-oem-26.04→7.0.0-1010.10kernel_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-26.04
sudo reboot
```
Reboot is required. ~30-60s downtime; containers self-restart.
linux-headers-oem-26.04a→7.0.0-1010.10kernel_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-26.04a
sudo reboot
```
Reboot is required. ~30-60s downtime; containers self-restart.
linux-headers-oem-7.0→7.0.0-1010.10kernel_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-7.0
sudo reboot
```
Reboot is required. ~30-60s downtime; containers self-restart.
linux-image-7.0.0-1010-oem→7.0.0-1010.10kernel_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-7.0.0-1010-oem
sudo reboot
```
Reboot is required. ~30-60s downtime; containers self-restart.
linux-image-oem-26.04→7.0.0-1010.10kernel_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-26.04
sudo reboot
```
Reboot is required. ~30-60s downtime; containers self-restart.
linux-image-oem-26.04a→7.0.0-1010.10kernel_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-26.04a
sudo reboot
```
Reboot is required. ~30-60s downtime; containers self-restart.
linux-image-oem-7.0→7.0.0-1010.10kernel_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-7.0
sudo reboot
```
Reboot is required. ~30-60s downtime; containers self-restart.
linux-image-uc-7.0.0-1010-oem→7.0.0-1010.10kernel_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-uc-7.0.0-1010-oem
sudo reboot
```
Reboot is required. ~30-60s downtime; containers self-restart.
linux-image-uc-oem-26.04→7.0.0-1010.10kernel_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-uc-oem-26.04
sudo reboot
```
Reboot is required. ~30-60s downtime; containers self-restart.
linux-image-uc-oem-26.04a→7.0.0-1010.10kernel_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-uc-oem-26.04a
sudo reboot
```
Reboot is required. ~30-60s downtime; containers self-restart.
linux-image-uc-oem-7.0→7.0.0-1010.10kernel_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-uc-oem-7.0
sudo reboot
```
Reboot is required. ~30-60s downtime; containers self-restart.
linux-image-unsigned-7.0.0-1010-oem→7.0.0-1010.10kernel_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-7.0.0-1010-oem
sudo reboot
```
Reboot is required. ~30-60s downtime; containers self-restart.
linux-modules-7.0.0-1010-oem→7.0.0-1010.10kernel_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-7.0.0-1010-oem
sudo reboot
```
Reboot is required. ~30-60s downtime; containers self-restart.
linux-oem-26.04→7.0.0-1010.10apt_upgrade
Standard apt upgrade. Install 7.0.0-1010.10 from the apt repo.
```
sudo apt-get update
sudo apt-get install --only-upgrade -y linux-oem-26.04
```
Most apt upgrades restart their service automatically. needrestart lists anything else.
linux-oem-26.04a→7.0.0-1010.10apt_upgrade
Standard apt upgrade. Install 7.0.0-1010.10 from the apt repo.
```
sudo apt-get update
sudo apt-get install --only-upgrade -y linux-oem-26.04a
```
Most apt upgrades restart their service automatically. needrestart lists anything else.
linux-oem-7.0→7.0.0-1010.10apt_upgrade
Standard apt upgrade. Install 7.0.0-1010.10 from the apt repo.
```
sudo apt-get update
sudo apt-get install --only-upgrade -y linux-oem-7.0
```
Most apt upgrades restart their service automatically. needrestart lists anything else.
linux-oem-7.0-headers-7.0.0-1010→7.0.0-1010.10apt_upgrade
Standard apt upgrade. Install 7.0.0-1010.10 from the apt repo.
```
sudo apt-get update
sudo apt-get install --only-upgrade -y linux-oem-7.0-headers-7.0.0-1010
```
Most apt upgrades restart their service automatically. needrestart lists anything else.
linux-oem-7.0-tools-7.0.0-1010→7.0.0-1010.10apt_upgrade
Standard apt upgrade. Install 7.0.0-1010.10 from the apt repo.
```
sudo apt-get update
sudo apt-get install --only-upgrade -y linux-oem-7.0-tools-7.0.0-1010
```
Most apt upgrades restart their service automatically. needrestart lists anything else.
linux-tools-7.0.0-1010-oem→7.0.0-1010.10apt_upgrade
Standard apt upgrade. Install 7.0.0-1010.10 from the apt repo.
```
sudo apt-get update
sudo apt-get install --only-upgrade -y linux-tools-7.0.0-1010-oem
```
Most apt upgrades restart their service automatically. needrestart lists anything else.
linux-tools-oem-26.04→7.0.0-1010.10apt_upgrade
Standard apt upgrade. Install 7.0.0-1010.10 from the apt repo.
```
sudo apt-get update
sudo apt-get install --only-upgrade -y linux-tools-oem-26.04
```
Most apt upgrades restart their service automatically. needrestart lists anything else.
linux-tools-oem-26.04a→7.0.0-1010.10apt_upgrade
Standard apt upgrade. Install 7.0.0-1010.10 from the apt repo.
```
sudo apt-get update
sudo apt-get install --only-upgrade -y linux-tools-oem-26.04a
```
Most apt upgrades restart their service automatically. needrestart lists anything else.
linux-tools-oem-7.0→7.0.0-1010.10apt_upgrade
Standard apt upgrade. Install 7.0.0-1010.10 from the apt repo.
```
sudo apt-get update
sudo apt-get install --only-upgrade -y linux-tools-oem-7.0
```
Most apt upgrades restart their service automatically. needrestart lists anything else.

Are YOU affected by USN-8637-1?

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-8637-1 (and any other live CVE) applies. Anonymous, no signup.

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

Form-based quickscan Read the bash source first

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