SB20260925130 - Improper initialization in Linux kernel apparmor
Published: September 25, 2026
Security Bulletin ID
SB20260925130
CSH Severity
Low
Patch available
YES
Number of vulnerabilities
1
Exploitation vector
Local access
Highest impact
Information disclosure
Breakdown by Severity
- Low
- Medium
- High
- Critical
Description
This security bulletin contains information about 1 vulnerability.
1) Improper initialization (CVE-ID: CVE-2026-93245)
CWE-ID: CWE-665 - Improper Initialization
CVSSv4: 0 [CVSS:4.0/AV:L/AC:L/AT:P/PR:L/UI:N/VC:N/VI:N/VA:N/SC:N/SI:N/SA:N]
The vulnerability allows a local user to trigger a kernel warning.
The vulnerability exists due to improper initialization of list heads in AppArmor policy initialization when handling a profile creation failure before initialization completes. A local user can attempt to load a profile that fails during creation to trigger a kernel warning.
Remediation
Install update from vendor's website.
References
- https://git.kernel.org/stable/c/0664c75afe87a1d7d4f4e1d7eecf50ad829fb6e8
- https://git.kernel.org/stable/c/3daad923a8685adb66087e0d819559b7eb6ba975
- https://git.kernel.org/stable/c/4a09a5e6512a3792c78ae8e3ca79cb55a11eed57
- https://git.kernel.org/stable/c/5449f715f24e86648f8cc8fba8d97ff6b5d04981
- https://git.kernel.org/stable/c/62f159fac76468dbbfd977f4f18472d4a01e8d74
- https://git.kernel.org/stable/c/88ba930e7d0586ca2700757249f1e6fc0bbab0fc
- https://git.kernel.org/stable/c/dd52ab1c5436be86f5b8ca118fa8e5d61d63ffed
- https://git.kernel.org/stable/c/ee017ef9aa2cf20d85d4a20c09ef3db9fb240310