[QSA-1220251]
Linux kernel vulnerabilities
Qlustar Security Advisory 1220251
December 20th, 2025
Summary:
The system could crash or be made to run programs as an administrator.
Package(s) : linux-image-ql-generic,
qlustar-module-core-jammy-amd64-13.3,
qlustar-module-core-noble-amd64-14.0
Qlustar releases : 13, 14
Affected versions: All versions prior to this update
Vulnerability : privilege escalation/denial of service
Problem type : local
Qlustar-specific : no
CVE Id(s) : Not documented
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 6.12.52. 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 6.12.52 up to the current Qlustar kernel 6.12.63:
Linux kernel 6.12.63 Linux kernel 6.12.62 Linux kernel 6.12.61 Linux kernel 6.12.60 Linux kernel 6.12.59 Linux kernel 6.12.58 Linux kernel 6.12.57 Linux kernel 6.12.56 Linux kernel 6.12.55 Linux kernel 6.12.54 Linux kernel 6.12.53
A number of vulnerabilities and bugs have been discovered in the 5.15.x Linux kernel series since the last Qlustar 13.0 release based on 5.15.194. 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 5.15.194 up to the current Qlustar kernel 5.15.197:
Linux kernel 5.15.197 Linux kernel 5.15.196 Linux kernel 5.15.195
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 6.12.63-ql-generic-14-6
qlustar-module-core-noble-amd64-14.0 14.0.5-b589f1605
For Qlustar 13
linux-image-ql-generic 5.15.197-ql-generic-13.0-24
qlustar-module-core-jammy-amd64-13.3 13.3.5-b588f1607
Special Update instructions:
In addition to the steps described in the general Qlustar Update Instructions these updates require the following:
- No special instructions