1. Ubuntu Security Notices
  2. USN-8296-1

USN-8296-1: Linux kernel (FIPS) vulnerabilities

Publication date

22 May 2026

Overview

Several security issues were fixed in the Linux kernel.

Releases

Packages

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;
  • x86 architecture;
  • Compute Acceleration Framework;
  • Drivers core;
  • Null block device driver;
  • Ublk userspace block driver;
  • Bluetooth drivers;
  • Counter interface drivers;
  • DMA engine subsystem;
  • DPLL subsystem;
  • GPU drivers;
  • HID subsystem;
  • Intel Trace Hub HW tracing drivers;
  • IIO ADC drivers;
  • IIO subsystem;
  • On-Chip Interconnect management framework;
  • IRQ chip drivers;
  • Modular ISDN driver;
  • LED subsystem;
  • Multiple devices driver;
  • UACCE accelerator framework;
  • MMC subsystem;
  • Ethernet bonding driver;
  • Network drivers;
  • Mellanox network drivers;
  • NVME...

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;
  • x86 architecture;
  • Compute Acceleration Framework;
  • Drivers core;
  • Null block device driver;
  • Ublk userspace block driver;
  • Bluetooth drivers;
  • Counter interface drivers;
  • DMA engine subsystem;
  • DPLL subsystem;
  • GPU drivers;
  • HID subsystem;
  • Intel Trace Hub HW tracing drivers;
  • IIO ADC drivers;
  • IIO subsystem;
  • On-Chip Interconnect management framework;
  • IRQ chip drivers;
  • Modular ISDN driver;
  • LED subsystem;
  • Multiple devices driver;
  • UACCE accelerator framework;
  • MMC subsystem;
  • Ethernet bonding driver;
  • Network drivers;
  • Mellanox network drivers;
  • NVME drivers;
  • PHY drivers;
  • x86 platform drivers;
  • i.MX PM domains;
  • SCSI subsystem;
  • SLIMbus drivers;
  • SPI subsystem;
  • TCM subsystem;
  • W1 Dallas's 1-wire bus driver;
  • Xen hypervisor drivers;
  • BTRFS file system;
  • EFI Variable file system;
  • exFAT file system;
  • Ext4 file system;
  • HFS+ file system;
  • Network file system (NFS) client;
  • Network file system (NFS) server daemon;
  • NTFS3 file system;
  • SMB network file system;
  • Scheduler infrastructure;
  • Netfilter;
  • NFC subsystem;
  • Tracing infrastructure;
  • io_uring subsystem;
  • BPF subsystem;
  • Perf events;
  • Floating proportions library;
  • Memory management;
  • Bluetooth subsystem;
  • CAN network layer;
  • Ceph Core library;
  • Networking core;
  • IPv4 networking;
  • IPv6 networking;
  • L2TP protocol;
  • MAC80211 subsystem;
  • NET/ROM layer;
  • Network traffic control;
  • SCTP protocol;
  • TLS protocol;
  • Unix domain sockets;
  • VMware vSockets driver;
  • Wireless networking;
  • ALSA AC97 driver;
  • Generic PCM loopback sound driver;
  • Creative Sound Blaster X-Fi driver;
  • AMD SoC Alsa drivers;
  • Texas InstrumentS Audio (ASoC/HDA) drivers;
  • USB sound devices;
  • KVM subsystem

Update instructions

After a standard system update you need to reboot your computer to make all the necessary changes.

Learn more about how to get the fixes.

ATTENTION: Due to an unavoidable ABI change the kernel updates have been given a new version number, which requires you to recompile and reinstall all third party kernel modules you might have installed. Unless you manually uninstalled the standard kernel metapackages (e.g. linux-generic, linux-generic-lts-RELEASE, linux-virtual, linux-powerpc), a standard system upgrade will automatically perform this as well.

The problem can be corrected by updating your system to the following package versions:

Ubuntu Release Package Version
24.04 LTS noble linux-image-6.8.0-116-fips –  6.8.0-116.116+fips1  
linux-image-fips –  6.8.0-116.116+fips1  
linux-image-fips-6.8 –  6.8.0-116.116+fips1  

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References

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