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Ubuntu 22.04 & 24.04: Kernel Critical Security Fixes USN-7703-4

ubuntu
Calendar Grey August 28, 2025
Dist Ubuntu Esm H88
Various important vulnerabilities addressed in Ubuntu 22.04 LTS and 24.04 LTS Linux kernel affecting system stability.
Several security issues were fixed in the Linux kernel.

Summary

Several security issues were fixed in the Linux kernel.

Software Description:

- linux-gke: Linux kernel for Google Container Engine (GKE) systems

- linux-nvidia: Linux kernel for NVIDIA systems

- linux-nvidia-lowlatency: Linux low latency kernel for NVIDIA systems

- linux-raspi: Linux kernel for Raspberry Pi systems

- linux-hwe-6.8: Linux hardware enablement (HWE) kernel

- linux-nvidia-6.8: Linux kernel for NVIDIA systems

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;

- PowerPC architecture;

- x86 architecture;

- Block layer subsystem;

- GPIO subsystem;

- GPU drivers;

- HID subsystem;

- Input Device (Mouse) drivers;

- Multiple devices driver;

- Media drivers;

- Network drivers;

- PCI subsystem;

- S/390 drivers;

- SPI subsystem;

- Trusted Execut...

Read the Full Advisory

Topics%20covered

Topics Covered

security advisory security issue critical remote access Ubuntu kernel

Update Instructions

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

Ubuntu 24.04 LTS
   linux-image-6.8.0-1032-gke      6.8.0-1032.36
   linux-image-6.8.0-1035-nvidia   6.8.0-1035.38
   linux-image-6.8.0-1035-nvidia-64k  6.8.0-1035.38
   linux-image-6.8.0-1035-nvidia-lowlatency  6.8.0-1035.38.1
   linux-image-6.8.0-1035-nvidia-lowlatency-64k  6.8.0-1035.38.1
   linux-image-6.8.0-1035-raspi    6.8.0-1035.39
   linux-image-gke                 6.8.0-1032.36
   linux-image-gke-6.8             6.8.0-1032.36
   linux-image-nvidia              6.8.0-1035.38
   linux-image-nvidia-6.8          6.8.0-1035.38
   linux-image-nvidia-64k          6.8.0-1035.38
   linux-image-nvidia-64k-6.8      6.8.0-1035.38
   linux-image-nvidia-lowlatency   6.8.0-1035.38.1
   linux-image-nvidia-lowlatency-6.8  6.8.0-1035.38.1
   linux-image-nvidia-lowlatency-64k  6.8.0-1035.38.1
   linux-image-nvidia-lowlatency-64k-6.8  6.8.0-1035.38.1
   linux-image-raspi               6.8.0-1035.39
   linux-image-raspi-6.8           6.8.0-1035.39

Ubuntu 22.04 LTS
   linux-image-6.8.0-1035-nvidia   6.8.0-1035.38~22.04.1
   linux-image-6.8.0-1035-nvidia-64k  6.8.0-1035.38~22.04.1
   linux-image-6.8.0-78-generic    6.8.0-78.78~22.04.1
   linux-image-6.8.0-78-generic-64k  6.8.0-78.78~22.04.1
   linux-image-generic-6.8         6.8.0-78.78~22.04.1
   linux-image-generic-64k-6.8     6.8.0-78.78~22.04.1
   linux-image-generic-64k-hwe-22.04  6.8.0-78.78~22.04.1
   linux-image-generic-hwe-22.04   6.8.0-78.78~22.04.1
   linux-image-nvidia-6.8          6.8.0-1035.38~22.04.1
   linux-image-nvidia-64k-6.8      6.8.0-1035.38~22.04.1
   linux-image-nvidia-64k-hwe-22.04  6.8.0-1035.38~22.04.1
   linux-image-nvidia-hwe-22.04    6.8.0-1035.38~22.04.1
   linux-image-oem-22.04           6.8.0-78.78~22.04.1
   linux-image-oem-22.04a          6.8.0-78.78~22.04.1
   linux-image-oem-22.04b          6.8.0-78.78~22.04.1
   linux-image-oem-22.04c          6.8.0-78.78~22.04.1
   linux-image-oem-22.04d          6.8.0-78.78~22.04.1
   linux-image-virtual-6.8         6.8.0-78.78~22.04.1
   linux-image-virtual-hwe-22.04   6.8.0-78.78~22.04.1

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

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.

References

https://ubuntu.com/security/notices/USN-7703-4

https://ubuntu.com/security/notices/USN-7703-3

https://ubuntu.com/security/notices/USN-7703-2

https://ubuntu.com/security/notices/USN-7703-1

CVE-2024-52559, CVE-2024-54456, CVE-2024-54458, CVE-2024-57834,

CVE-2024-57977, CVE-2024-58020, CVE-2024-58086, CVE-2024-58088,

CVE-2024-58093, CVE-2025-21704, CVE-2025-21706, CVE-2025-21712,

CVE-2025-21746, CVE-2025-21758, CVE-2025-21759, CVE-2025-21760,

CVE-2025-21761, CVE-2025-21762, CVE-2025-21763, CVE-2025-21764,

CVE-2025-21765, CVE-2025-21766, CVE-2025-21767, CVE-2025-21768,

CVE-2025-21772, CVE-2025-21773, CVE-2025-21775, CVE-2025-21776,

CVE-2025-21779, CVE-2025-21780, CVE-2025-21781, CVE-2025-21782,

CVE-2025-21783, CVE-2025-21784, CVE-2025-21785, CVE-2025-21786,

CVE-2025-21787, CVE-2025-21790, CVE-2025-21791, CVE-2025-21792,

CVE-2025-21793, CVE-2025-21795, CVE-2025-21796, CVE-2025-21821,

CVE-2025-21823, CVE-2025-21835, CVE-2025-21836, CVE-2025-21838,

CVE-2025-21839, CVE-2025-21844, CVE-2025-21846, CVE-2025-21847,

CVE-2025-21848, CVE-2025-21853, CVE-2025-21854, CVE-2025-21855,

CVE-2025-21856, CVE-2025-21857, CVE-2025-21858, CVE-2025-21859,

CVE-2025-21861, CVE-2025-21862, CVE-2025-21863, CVE-2025-21864,

CVE-2025-21866, CVE-2025-21867, CVE-2025-21868, CVE-2025-21869,

CVE-2025-21870, CVE-2025-21871

Severity
critical
Lowest
Low
Medium
High
Critical

Ubuntu Security Notice USN-7703-4

Topics%20covered

Topics Covered

security advisory security issue critical remote access Ubuntu kernel

Package Information

https://launchpad.net/ubuntu/+source/linux-gke/6.8.0-1032.36
https://launchpad.net/ubuntu/+source/linux-nvidia/6.8.0-1035.38
https://launchpad.net/ubuntu/+source/linux-nvidia-lowlatency/6.8.0-1035.38.1
https://launchpad.net/ubuntu/+source/linux-raspi/6.8.0-1035.39
https://launchpad.net/ubuntu/+source/linux-hwe-6.8/6.8.0-78.78~22.04.1
https://launchpad.net/ubuntu/+source/linux-nvidia-6.8/6.8.0-1035.38~22.04.1

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