[USN-7936-1] Linux kernel (OEM) vulnerabilities

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==========================================================================
Ubuntu Security Notice USN-7936-1
December 15, 2025

linux-oem-6.14 vulnerabilities
==========================================================================

A security issue affects these releases of Ubuntu and its derivatives:

- Ubuntu 24.04 LTS

Summary:

Several security issues were fixed in the Linux kernel.

Software Description:
- linux-oem-6.14: Linux kernel for OEM 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:
- Cryptographic API;
- Compute Acceleration Framework;
- Media drivers;
- Netfilter;
- TLS protocol;
(CVE-2025-39946, CVE-2025-39964, CVE-2025-39993, CVE-2025-40018,
CVE-2025-40172, CVE-2025-40177)

Update instructions:

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

Ubuntu 24.04 LTS
linux-image-6.14.0-1017-oem 6.14.0-1017.17
linux-image-oem-24.04 6.14.0-1018.18
linux-image-oem-24.04a 6.14.0-1018.18
linux-image-oem-24.04b 6.14.0-1018.18
linux-image-oem-24.04c 6.14.0-1018.18
linux-image-oem-6.14 6.14.0-1018.18

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-7936-1
CVE-2025-39946, CVE-2025-39964, CVE-2025-39993, CVE-2025-40018,
CVE-2025-40172, CVE-2025-40177

Package Information:
https://launchpad.net/ubuntu/+source/linux-oem-6.14/6.14.0-1017.17