Memory leak in Linux kernel - CVE-2026-97543

 

Memory leak in Linux kernel - CVE-2026-97543

Published: September 28, 2026


Vulnerability identifier: #VU152666
CSH Severity: Low
CVSS v4: 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]
CVE-ID: CVE-2026-97543
CWE-ID: CWE-401
Exploitation vector: Local access
Exploit availability: No public exploit available

Vulnerability details

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.


Affected software

Linux kernel

How to mitigate CVE-2026-97543

Install security update from vendor's repository.

Linux kernel - update to 7.0 rc3

External References

Related Security Bulletins