CVE-2026-53334: Undefined Security Weakness

In the Linux kernel, the following vulnerability has been resolved: mm/damon/reclaim: handle ctx allocation failure Patch series "mm/damon/reclaim,lrusort: handle ctx allocation failures". DAMONRECLAIM and DAMONLRUSORT could dereference NULL pointers if their damonctx object allocations fail. The...

Linux Kernel Security Vulnerabilities

The Linux kernel is the core of the open-source operating system Linux, developed by the Linux Foundation in the United States. There is a security vulnerability in the Linux kernel, which stems from the damonstatstart function. When the damoncall function fails, the damonctx object is not...

CVE-2026-31652: Use After Free

In the Linux kernel, the following vulnerability has been resolved: mm/damon/stat: deallocate damoncall failure leaking damonctx damonstatstart always allocates the module's damonctx object damonstatcontext. Meanwhile, if damoncall in the function fails, the damonctx object is not deallocated...

CVE-2025-40227: Undefined Security Weakness

In the Linux kernel, the following vulnerability has been resolved: mm/damon/sysfs: dealloc commit test ctx always The damonctx for testing online DAMON parameters commit inputs is deallocated only when the test fails. This means memory is leaked for every successful online DAMON parameters commi...

CVE-2025-39877: Use After Free

In the Linux kernel, the following vulnerability has been resolved: mm/damon/sysfs: fix use-after-free in stateshow stateshow reads kdamond-damonctx without holding damonsysfslock. This allows a use-after-free race: CPU 0 CPU 1 ----- ----- stateshow damonsysfsturndamonon ctx = kdamond-damonctx;...