SB2025012155 - Improper locking in Linux kernel mlx5 core driver
Published: January 21, 2025 Updated: May 11, 2025
Security Bulletin ID
SB2025012155
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-2025-21662)
The vulnerability allows a local user to perform a denial of service (DoS) attack.
The vulnerability exists due to improper locking within the cmd_work_handler() function in drivers/net/ethernet/mellanox/mlx5/core/cmd.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/0e2909c6bec9048f49d0c8e16887c63b50b14647
- https://git.kernel.org/stable/c/229cc10284373fbe754e623b7033dca7e7470ec8
- https://git.kernel.org/stable/c/36124081f6ffd9dfaad48830bdf106bb82a9457d
- https://git.kernel.org/stable/c/f0a2808767ac39f64b1d9a0ff865c255073cf3d4
- https://mirrors.edge.kernel.org/pub/linux/kernel/v6.x/ChangeLog-6.1.125