SB20260928397 - Improper resource shutdown or release in Linux kernel xfs libxfs



SB20260928397 - Improper resource shutdown or release in Linux kernel xfs libxfs

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

Security Bulletin ID SB20260928397
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) Improper resource shutdown or release (CVE-ID: CVE-2026-97545)

CWE-ID: CWE-404 - Improper Resource Shutdown or Release

CVSSv4: 2 [CVSS:4.0/AV:L/AC:L/AT:P/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 locked buffer to be leaked.

The vulnerability exists due to improper resource release in xfs_btree_bload_prep_block when handling an I/O error while writing the delayed-write buffer list to disk. A local user can cause the function to handle an I/O error during the write operation to cause a locked buffer to be leaked.


Remediation

Install update from vendor's website.