CVE-2026-68134

A flaw was found in the ptps390 module of the Linux kernel. This vulnerability allows the physical clock to be registered even when the necessary facility 28 is not installed or PTFF QPT is unavailable. This improper registration could lead to unexpected system behavior or a denial of service DoS...

UBUNTU-CVE-2026-68134

In the Linux kernel, the following vulnerability has been resolved: ptp: ptps390: Add missing facility check Only register the physical clock when facility 28 is installed and PTFF QAF returns that PTFF QPT is available...