CVE-2026-53335 is a vulnerability in Linux Kernel
Published on July 1, 2026
mm/damon/lru_sort: handle ctx allocation failure
In the Linux kernel, the following vulnerability has been resolved:
mm/damon/lru_sort: handle ctx allocation failure
DAMON_LRU_SORT allocates the damon_ctx object for its kdamond in its init
function. damon_lru_sort_enabled_store() wrongly assumes the allocation
will always succeed once tried. If the damon_ctx allocation was failed,
therefore, code execution reaches to damon_commit_ctx() while 'ctx' is
NULL. As a result, it dereferences the NULL 'ctx' pointer. Avoid the
NULL dereference by returning -ENOMEM if 'ctx' is NULL.
Products Associated with CVE-2026-53335
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Affected Versions
Linux:- Version c4a8e662c839ac0003e4781aa324cb2d68ed9cb1 and below 6d48f15659395bf1381114f01be91bc68e0be46a is affected.
- Version c4a8e662c839ac0003e4781aa324cb2d68ed9cb1 and below daab1996431a71f43219dcac48ecc9ad2aad3f1c is affected.
- Version c4a8e662c839ac0003e4781aa324cb2d68ed9cb1 and below ab04340b5ae5d52c1d46b750538febcde9d889e7 is affected.
- Version 6.18 is affected.
- Before 6.18 is unaffected.
- Version 6.18.36, <= 6.18.* is unaffected.
- Version 7.0.13, <= 7.0.* is unaffected.
- Version 7.1, <= * is unaffected.