SB2026081301 - Deadlock in Linux kernel audit_dupe_exe() in the audit subsystem
Published: August 13, 2026
Security Bulletin ID
SB2026081301
CSH Severity
Low
Patch available
YES
Number of vulnerabilities
1
Exploitation vector
Local access
Highest impact
Denial of service
Breakdown by Severity
- Low
- Medium
- High
- Critical
Description
This security bulletin contains information about 1 vulnerability.
1) Deadlock (CVE-ID: CVE-2026-68096)
CWE-ID: CWE-833 - Deadlock
CVSSv4: 6.8 [CVSS:4.0/AV:L/AC:L/AT:N/PR:L/UI:N/VC:N/VI:N/VA:H/SC:N/SI:N/SA:N]
The vulnerability allows a local user to cause a denial of service.
The vulnerability exists due to a recursive locking deadlock in audit_dupe_exe() in the Linux kernel audit subsystem when handling file move events for executable audit rules. A local user can move a file that matches an existing executable audit rule to cause a denial of service.
Exploitation requires an existing executable audit rule that matches the file being moved.
Remediation
Install update from vendor's website.
References
- https://git.kernel.org/stable/c/36eb77f14b4e6f2dc1008c1fabe31236397be27a
- https://git.kernel.org/stable/c/3b601938314c24fcd1afb6659cad92fe96c9c2f8
- https://git.kernel.org/stable/c/40879c39d6740f3dddfb52b5d6ba7fb8cceb84d8
- https://git.kernel.org/stable/c/7d1f66c69898ffb1a718926c32a777ecc471caca
- https://git.kernel.org/stable/c/81905b5acbe77284734438df3fbec1158e6429a3