Improper resource shutdown or release in Linux kernel - CVE-2026-97545

 

Improper resource shutdown or release in Linux kernel - CVE-2026-97545

Published: September 28, 2026


Vulnerability identifier: #VU152668
CSH Severity: Low
CVSS v4: 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]
CVE-ID: CVE-2026-97545
CWE-ID: CWE-404
Exploitation vector: Local access
Exploit availability: No public exploit available

Vulnerability details

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.


Affected software

Linux kernel

How to mitigate CVE-2026-97545

Install security update from vendor's repository.

Linux kernel - update to 7.0 rc3

External References

Related Security Bulletins