SB2025061953 - Memory leak in Linux kernel apparmor
Published: June 19, 2025 Updated: June 21, 2025
Security Bulletin ID
SB2025061953
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 security vulnerability.
1) Memory leak (CVE-ID: CVE-2022-50074)
The vulnerability allows a local user to perform a denial of service (DoS) attack.
The vulnerability exists due to memory leak within the aa_simple_write_to_buffer() function in security/apparmor/apparmorfs.c. A local user can perform a denial of service (DoS) attack.
Remediation
Install update from vendor's website.
References
- https://git.kernel.org/stable/c/417ea9fe972d2654a268ad66e89c8fcae67017c3
- https://git.kernel.org/stable/c/6500eb3a48ac221051b1791818a1ac74744ef617
- https://git.kernel.org/stable/c/6583edbf459de2e06b9759f264c0ae27e452b97a
- https://git.kernel.org/stable/c/7db182a2ebeefded86fea542fcc5d6a68bb77f58
- https://git.kernel.org/stable/c/8aab4295582eb397a125d2788b829fa62b88dbf7
- https://git.kernel.org/stable/c/bf7ebebce2c25071c719fd8a2f1307e0c243c2d7
- https://mirrors.edge.kernel.org/pub/linux/kernel/v5.x/ChangeLog-5.15.63