Industrial
CVE-2026-23106
Lifecycle Timeline
2DescriptionCVE.org
In the Linux kernel, the following vulnerability has been resolved:
timekeeping: Adjust the leap state for the correct auxiliary timekeeper
When __do_ajdtimex() was introduced to handle adjtimex for any timekeeper, this reference to tk_core was not updated. When called on an auxiliary timekeeper, the core timekeeper would be updated incorrectly.
This gets caught by the lock debugging diagnostics because the timekeepers sequence lock gets written to without holding its associated spinlock:
WARNING: include/linux/seqlock.h:226 at __do_adjtimex+0x394/0x3b0, CPU#2: test/125 aux_clock_adj (kernel/time/timekeeping.c:2979) __do_sys_clock_adjtime (kernel/time/posix-timers.c:1161 kernel/time/posix-timers.c:1173) do_syscall_64 (arch/x86/entry/syscall_64.c:63 (discriminator 1) arch/x86/entry/syscall_64.c:94 (discriminator 1)) entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:131)
Update the correct auxiliary timekeeper.
AnalysisAI
In the Linux kernel, the following vulnerability has been resolved:
timekeeping: Adjust the leap state for the correct auxiliary timekeeper
When __do_ajdtimex() was introduced to handle adjtimex for any timekeeper, this reference to tk_core was not updated.
Technical ContextAI
In the Linux kernel, the following vulnerability has been resolved:
timekeeping: Adjust the leap state for the correct auxiliary timekeeper
When __do_ajdtimex() was introduced to handle adjtimex for any timekeeper, this reference to tk_core was not updated. When called on an auxiliary timekeeper, the core timekeeper would be updated incorrectly.
This gets caught by the lock debugging diagnostics because the timekeepers sequence lock gets written to without holding its associated spinlock:
WA
Affected ProductsAI
In the Linux kernel, the following vulnerability has been resolved:
timekeeping: Adjust the leap state for the correct auxiliary timekeeper
When __d
RemediationAI
Monitor vendor advisories for a patch.
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