In the Linux kernel, the following vulnerability has been resolved: ptp: ptp_s390: Add missing facility check Only register the physical clock when facility 28 is installed and PTFF QAF returns that PTFF QPT is available.Referenceshttps://git.kernel.org/stable/c/b3efb4744abf493c9782eae713b861a80d9bbecahttps://git.kernel.org/stable/c/545a7fdbc110c82933d448db2695abff07536f08https://git.kernel.org/stable/c/e78f1ac37afcb16cb6fef8a2c92591eab6558956
