SB20260502132 - Improper resource shutdown or release in Linux kernel f2fs
Published: May 2, 2026
Security Bulletin ID
SB20260502132
CSH Severity
Low
Patch available
YES
Number of vulnerabilities
1
Exploitation vector
Local access
Highest impact
Partial DoS
Breakdown by Severity
- Low
- Medium
- High
- Critical
Description
This security bulletin contains information about 1 vulnerability.
1) Improper resource shutdown or release (CVE-ID: CVE-2026-31714)
CWE-ID: CWE-404 - Improper Resource Shutdown or Release
CVSSv4: CVSS:4.0/AV:L/AC:L/AT:N/PR:L/UI:N/VC:N/VI:N/VA:L/SC:N/SI:N/SA:N/E:U/U:Clear
The vulnerability allows a local user to cause a denial of service.
The vulnerability exists due to improper resource shutdown or release in f2fs_rename() when handling rename operations. A local user can trigger a memory leak by invoking crafted rename activity to cause a denial of service.
Remediation
Install update from vendor's website.
References
- https://git.kernel.org/stable/c/047c0aef6af37a2a35181aa085c616ad286386f1
- https://git.kernel.org/stable/c/369eb2016d8e2f01931b3bad1cb9cefa83f44003
- https://git.kernel.org/stable/c/3cf11e6f36c170050c12171dd6fd3142711478fc
- https://git.kernel.org/stable/c/a76c1cad4e80a9802ef8048662255417e3ce5b79
- https://git.kernel.org/stable/c/c78206dcb912ab60b8ee3cbe8c48d749a9a12e1e