SB2025050840 - Improper locking in Linux kernel virtio
Published: May 8, 2025 Updated: May 10, 2025
Security Bulletin ID
SB2025050840
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-2025-37805)
The vulnerability allows a local user to perform a denial of service (DoS) attack.
The vulnerability exists due to improper locking within the virtsnd_pcm_parse_cfg() function in sound/virtio/virtio_pcm.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/3c7df2e27346eb40a0e86230db1ccab195c97cfe
- https://git.kernel.org/stable/c/54c7b864fbe4423a07b443a4ada0106052942116
- https://git.kernel.org/stable/c/5be9407b41eae20eef9140f5cfbfcbc3d01aaf45
- https://git.kernel.org/stable/c/66046b586c0aaa9332483bcdbd76e3305d6138e9
- https://git.kernel.org/stable/c/9908498ce929a5a052b79bb7942f9ea317312ce4
- https://git.kernel.org/stable/c/e03b10c45c7675b6098190c6e7de1b656d8bcdbe
- https://mirrors.edge.kernel.org/pub/linux/kernel/v5.x/ChangeLog-5.15.181