Improper control of a resource through its lifetime in Linux kernel - CVE-2026-52965

 

Improper control of a resource through its lifetime in Linux kernel - CVE-2026-52965

Published: June 25, 2026


Vulnerability identifier: #VU135419
CSH Severity: Low
CVSS v4.0: CVSS:4.0/AV:L/AC:L/AT:N/PR:L/UI:N/VC:N/VI:N/VA:H/SC:N/SI:N/SA:N/E:U/U:Clear
CVE-ID: CVE-2026-52965
CWE-ID: CWE-664
Exploitation vector: Local access
Exploit availability: No public exploit available
Vendor: Linux Foundation
Affected software:
Linux kernel

Detailed vulnerability description

The vulnerability allows a local user to cause a denial of service.

The vulnerability exists due to improper state management in ttm_bo_swapout() LRU list handling when processing swapout failures. A local user can trigger a swapout failure to cause a denial of service.

The issue can cause an infinite LRU walk because the same resource is encountered repeatedly after being moved relative to the walk cursor's hitch node.


How to mitigate CVE-2026-52965

Install security update from vendor's repository.

Sources