SB2025071138 - Improper locking in Linux kernel mpls
Published: July 11, 2025
Security Bulletin ID
SB2025071138
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) Improper locking (CVE-ID: CVE-2025-38324)
The vulnerability allows a local user to perform a denial of service (DoS) attack.
The vulnerability exists due to improper locking within the mpls_route_input_rcu() function in net/mpls/af_mpls.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/2919297b18e5a5fb7e643f9e32c12c0b17cce1be
- https://git.kernel.org/stable/c/36af82f25fbdcd719eb947c15ea874bf80bcf229
- https://git.kernel.org/stable/c/49b8a9d7d44401a186e20b1aaf591d2e62727aeb
- https://git.kernel.org/stable/c/517bc6836ee9fcffe2539f6f6aa3fdd9c7a7ae73
- https://git.kernel.org/stable/c/6dbb0d97c5096072c78a6abffe393584e57ae945
- https://git.kernel.org/stable/c/a060781640012d5d5105072f4c44ed6ad6830ef9
- https://git.kernel.org/stable/c/d8cd847fb8626872631cc22d44be5127b4ebfb74
- https://git.kernel.org/stable/c/f19cbd84e645e39bc3228e1191bb151ef0ffac8c