kernel: mm: slub: avoid wake up kswapd in set_track_prepare

A deadlock lock recursion vulnerability exists in the linux kernel such that when CONFIGDEBUGOBJECTSTIMERS is set, may wake up kswapd in settrackprepare, and try to hold the percpuhrtimerbases lock...

CVE-2025-39843

In the Linux kernel, the following vulnerability has been resolved: mm: slub: avoid wake up kswapd in settrackprepare settrackprepare can incur lock recursion. The issue is that it is called from hrtimerstartrangens holding the percpuhrtimerbasesn.lock, but when enabled CONFIGDEBUGOBJECTSTIMERS,...

Linux Distros Unpatched Vulnerability : CVE-2025-39843

The Linux/Unix host has one or more packages installed that are impacted by a vulnerability without a vendor supplied patch available. - mm: slub: avoid wake up kswapd in settrackprepare settrackprepare can incur lock recursion. The issue is that it is called from hrtimerstartrangens holding the...