CVE-2025-68214

Summary (CVE-2025-68214): The Linux kernel timer subsystem had a race between timer_shutdown_sync() and timer_expire() that could trigger a WARN_ON_ONCE when a timer’s function pointer was cleared to NULL while the timer was still running. The root cause: timer_shutdown_sync() could detach the ti...

CVE-2025-68214

In the Linux kernel, the following vulnerability has been resolved: timers: Fix NULL function pointer race in timershutdownsync There is a race condition between timershutdownsync and timer expiration that can lead to hitting a WARNON in expiretimers. The issue occurs when timershutdownsync clear...

CVE-2025-68214: Concurrent Execution using Shared Resource with Improper Synchronization

In the Linux kernel, the following vulnerability has been resolved: timers: Fix NULL function pointer race in timershutdownsync There is a race condition between timershutdownsync and timer expiration that can lead to hitting a WARNON in expiretimers. The issue occurs when timershutdownsync clear...

CVE-2024-50154

A use-after-free UAF vulnerability was found and fixed in the Linux kernel's TCP subsystem related to request socket reqsk timers during handshake handling. This issue stems from a race condition caused by relying on timerpending in reqskqueueunlink. This could result in the timer continuing to r...

CVE-2024-50154

In the Linux kernel, the following vulnerability has been resolved: tcp/dccp: Don't use timerpending in reqskqueueunlink. Martin KaFai Lau reported use-after-free 0 in reqsktimerhandler. """ We are seeing a use-after-free from a bpf prog attached to tracetcpretransmitsynack. The program passes th...