CVE-2026-53335

MediumCVSS 5.5/10Last modified Jul 23, 2026

Description

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.

Metrics

CVSS 3.1 5.5/10CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H

Weakness enumeration

CWE-476

Affected software

VendorProductVersions
LinuxLinux>= c4a8e662c839ac0003e4781aa324cb2d68ed9cb1, < 6d48f15659395bf1381114f01be91bc68e0be46a; >= c4a8e662c839ac0003e4781aa324cb2d68ed9cb1, < daab1996431a71f43219dcac48ecc9ad2aad3f1c; >= c4a8e662c839ac0003e4781aa324cb2d68ed9cb1, < ab04340b5ae5d52c1d46b750538febcde9d889e7
LinuxLinux6.18

References

Timeline

Published
Jul 1, 2026
Last modified
Jul 23, 2026
NVD status
Analyzed

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CVE-2026-53335: Medium severity, CVSS 5.5 | Vulnix