SB2025070477 - Improper locking in Linux kernel core
Published: July 4, 2025
Security Bulletin ID
SB2025070477
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-2025-38154)
The vulnerability allows a local user to perform a denial of service (DoS) attack.
The vulnerability exists due to improper locking within the sk_psock_backlog() function in net/core/skmsg.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/15c0250dae3b48a398447d2b364603821ed4ed90
- https://git.kernel.org/stable/c/4c6fa65ab2aec7df94809478c8d28ef38676a1b7
- https://git.kernel.org/stable/c/4edb40b05cb6a261775abfd8046804ca139a5546
- https://git.kernel.org/stable/c/7c0a16f6ea2b1c82a03bccd5d1bdb4a7bbd4d987
- https://git.kernel.org/stable/c/8259eb0e06d8f64c700f5fbdb28a5c18e10de291
- https://git.kernel.org/stable/c/b19cbf0b9a91f5a0d93fbcd761ff71c48ab40ed9