SB20260928395 - Memory leak in Linux kernel xfs scrub



SB20260928395 - Memory leak in Linux kernel xfs scrub

Published: September 28, 2026 Updated: September 30, 2026

Security Bulletin ID SB20260928395
CSH Severity
Low
Patch available
YES
Number of vulnerabilities 1
Exploitation vector Local access
Highest impact Partial DoS

Breakdown by Severity

Low 100%
  • Low
  • Medium
  • High
  • Critical

Description

This security bulletin contains information about 1 vulnerability.


1) Memory leak (CVE-ID: CVE-2026-97543)

CWE-ID: CWE-401 - Missing release of memory after effective lifetime

CVSSv4: 4.8 [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]


The vulnerability allows a local user to cause a memory leak.

The vulnerability exists due to improper resource release in xchk_dirtree_create_path and xrep_dirtree_create_adoption_path when appending a name to a directory path fails. A local user can trigger a directory-path creation failure to cause a memory leak.


Remediation

Install update from vendor's website.