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[USN-8622-1] Linux kernel (NVIDIA) vulnerabilities

Posted on 29 July 2026
Ubuntu Security

==========================================================================Ubuntu Security Notice USN-8622-1
July 29, 2026

linux-nvidia, linux-nvidia-7.0 vulnerabilities
==========================================================================
A security issue affects these releases of Ubuntu and its derivatives:

- Ubuntu 26.04 LTS
- Ubuntu 24.04 LTS

Summary:

Several security issues were fixed in the Linux kernel.

Software Description:
- linux-nvidia: Linux kernel for NVIDIA systems
- linux-nvidia-7.0: 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;
- Arm Firmware Framework for ARMv8-A(FFA);
(CVE-2026-53354, CVE-2026-64520)

Update instructions:

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

Ubuntu 26.04 LTS
linux-image-7.0.0-1015-nvidia 7.0.0-1015.15
linux-image-7.0.0-1015-nvidia-64k 7.0.0-1015.15
linux-image-nvidia 7.0.0-1015.15
linux-image-nvidia-64k 7.0.0-1015.15
linux-image-nvidia-64k-7.0 7.0.0-1015.15
linux-image-nvidia-7.0 7.0.0-1015.15

Ubuntu 24.04 LTS
linux-image-7.0.0-1015-nvidia 7.0.0-1015.15~24.04.1
linux-image-7.0.0-1015-nvidia-64k 7.0.0-1015.15~24.04.1
linux-image-nvidia-64k-7.0 7.0.0-1015.15~24.04.1
linux-image-nvidia-7.0 7.0.0-1015.15~24.04.1

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-8622-1
CVE-2026-53354, CVE-2026-64520

Package Information:
https://launchpad.net/ubuntu/+source/linux-nvidia/7.0.0-1015.15
https://launchpad.net/ubuntu/+source/linux-nvidia-7.0/7.0.0-1015.15~24.04.1


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