SB2025012153 - Improper locking in Linux kernel block driver
Published: January 21, 2025 Updated: May 11, 2025
Security Bulletin ID
SB2025012153
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-2024-57946)
The vulnerability allows a local user to perform a denial of service (DoS) attack.
The vulnerability exists due to improper locking within the virtblk_remove() and virtblk_restore() functions in drivers/block/virtio_blk.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/12c0ddd6c551c1e438b087f874b4f1223a75f7ea
- https://git.kernel.org/stable/c/6dea8e3de59928974bf157dd0499d3958d744ae4
- https://git.kernel.org/stable/c/7678abee0867e6b7fb89aa40f6e9f575f755fb37
- https://git.kernel.org/stable/c/92d5139b91147ab372a17daf5dc27a5b9278e516
- https://git.kernel.org/stable/c/9ca428c6397abaa8c38f5c69133a2299e1efbbf2
- https://git.kernel.org/stable/c/9e323f856cf4963120e0e3892a84ef8bd764a0e4
- https://git.kernel.org/stable/c/d738f3215bb4f88911ff4579780a44960c8e0ca5
- https://mirrors.edge.kernel.org/pub/linux/kernel/v5.x/ChangeLog-5.4.289