[QSA-0925261]
Linux kernel vulnerabilities

Qlustar Security Advisory 0925261

September 25th, 2026

Summary:

The system could crash or be made to run programs as an administrator.

Package(s)       : linux-image-ql-generic,
                   qlustar-module-core-noble-amd64-14.1
Qlustar releases : 14
Affected versions: All versions prior to this update
Vulnerability    : privilege escalation/denial of service
Problem type     : local
Qlustar-specific : no
CVE Id(s)        : See upstream release notes

A number of vulnerabilities and bugs have been discovered in the 6.12.x Linux kernel series since the last Qlustar 14 release based on 6.12.110. They may lead to a denial of service or privilege escalation.

Please check the following web pages that contain details of the fixes in each release after 6.12.110 up to the current Qlustar kernel 6.12.111:

Linux kernel 6.12.111

Update instructions:

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

For Qlustar 14

linux-image-ql-generic                     6.12.111-ql-generic-14-20
qlustar-module-core-noble-amd64-14.1       14.1.13-b589f1655

Special Update instructions:

In addition to the steps described in the general Qlustar Update Instructions these updates require the following: