CVE-2026-80927 timekeeping: Check the return value of tk_get_aux_ts64 in __do_adjtimex()

In the Linux kernel, the following vulnerability has been resolved: timekeeping: Check the return value of tkgetauxts64 in doadjtimex If the auxiliary clock is disabled during tkgetauxts64 but is enabled before tks-clockvalid is checked, then uninitialized stackdata will be used in the calculatio...

CVE-2026-80927: Undefined Security Weakness

In the Linux kernel, the following vulnerability has been resolved: timekeeping: Check the return value of tkgetauxts64 in doadjtimex If the auxiliary clock is disabled during tkgetauxts64 but is enabled before tks-clockvalid is checked, then uninitialized stackdata will be used in the calculatio...

The vulnerability of the __do_adjtimex() function in the kernel/time/timekeeping.c module of the Linux operating system’s timer subsystem allows a attacker to cause a service failure.

The vulnerability of the doadjtimex function in the kernel/time/timekeeping.c module of the Linux operating system’s timer subsystem is related to state management errors. Exploiting this vulnerability could allow an attacker to cause a service failure...