SB20260928352 - Missing Release of Resource after Effective Lifetime in Linux kernel afs
Published: September 28, 2026 Updated: September 30, 2026
Security Bulletin ID
SB20260928352
CSH Severity
Low
Patch available
YES
Number of vulnerabilities
1
Exploitation vector
Local access
Highest impact
Partial DoS
Breakdown by Severity
- Low
- Medium
- High
- Critical
Description
This security bulletin contains information about 1 vulnerability.
1) Missing Release of Resource after Effective Lifetime (CVE-ID: CVE-2026-97586)
CWE-ID: CWE-772 - Missing Release of Resource 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 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.
Remediation
Install update from vendor's website.