Missing Release of Resource after Effective Lifetime in Linux kernel - CVE-2026-97586
Published: September 28, 2026
Vulnerability identifier: #VU152623
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-2026-97586
CWE-ID: CWE-772
Exploitation vector: Local access
Exploit availability:
No public exploit available
Vulnerability details
The vulnerability allows a local user to cause a resource leak.
The vulnerability exists due to improper release of a kernel mapping in afs_dir_search_bucket() when handling the error path during an AFS directory bucket search. A local user can trigger the error path during a directory bucket search to cause a resource leak.
Affected software
Linux kernel
How to mitigate CVE-2026-97586
Install security update from vendor's repository.
Linux kernel - update to 7.0 rc3