SB20260815267 - Improper resource shutdown or release in Linux kernel apparmor
Published: August 15, 2026
Security Bulletin ID
SB20260815267
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) Improper resource shutdown or release (CVE-ID: CVE-2026-72456)
CWE-ID: CWE-404 - Improper Resource Shutdown or Release
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 denial of service.
The vulnerability exists due to improper resource shutdown or release in get_current_exe_path() when resolving the current executable path and aa_path_name() fails. A local user can trigger a path resolution failure to cause a denial of service.
Remediation
Install update from vendor's website.