SB2025072751 - Improper locking in Linux kernel vmw_vsock
Published: July 27, 2025
Security Bulletin ID
SB2025072751
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-2025-38461)
The vulnerability allows a local user to perform a denial of service (DoS) attack.
The vulnerability exists due to improper locking within the EXPORT_SYMBOL_GPL() and vsock_assign_transport() functions in net/vmw_vsock/af_vsock.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/36a439049b34cca0b3661276049b84a1f76cc21a
- https://git.kernel.org/stable/c/687aa0c5581b8d4aa87fd92973e4ee576b550cdf
- https://git.kernel.org/stable/c/7b73bddf54777fb62d4d8c7729d0affe6df04477
- https://git.kernel.org/stable/c/8667e8d0eb46bc54fdae30ba2f4786407d3d88eb
- https://git.kernel.org/stable/c/9ce53e744f18e73059d3124070e960f3aa9902bf
- https://git.kernel.org/stable/c/9d24bb6780282b0255b9929abe5e8f98007e2c6e
- https://git.kernel.org/stable/c/ae2c712ba39c7007de63cb0c75b51ce1caaf1da5