SB2025072735 - NULL pointer dereference in Linux kernel atm
Published: July 27, 2025
Security Bulletin ID
SB2025072735
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) NULL pointer dereference (CVE-ID: CVE-2025-38458)
The vulnerability allows a local user to perform a denial of service (DoS) attack.
The vulnerability exists due to NULL pointer dereference within the atmarpd_close() function in net/atm/clip.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/07b585ae3699c0a5026f86ac846f144e34875eee
- https://git.kernel.org/stable/c/22fc46cea91df3dce140a7dc6847c6fcf0354505
- https://git.kernel.org/stable/c/27b5bb7ea1a8fa7b8c4cfde4d2bf8650cca2e8e8
- https://git.kernel.org/stable/c/34a09d6240a25185ef6fc5a19dbb3cdbb6a78bc0
- https://git.kernel.org/stable/c/7f1cad84ac1a6af42d9d57e879de47ce37995024
- https://git.kernel.org/stable/c/7f8a9b396037daae453a108faec5b28886361323
- https://git.kernel.org/stable/c/9ec7e943aee5c28c173933f9defd40892fb3be3d
- https://git.kernel.org/stable/c/a16fbe6087e91c8e7c4aa50e1af7ad56edbd9e3e