SB2025050442 - NULL pointer dereference in Linux kernel mlx5 core driver
Published: May 4, 2025 Updated: May 10, 2025
Security Bulletin ID
SB2025050442
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) NULL pointer dereference (CVE-ID: CVE-2023-53079)
The vulnerability allows a local user to perform a denial of service (DoS) attack.
The vulnerability exists due to NULL pointer dereference within the esw_disable_vport() function in drivers/net/ethernet/mellanox/mlx5/core/eswitch.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/18cead61e437f4c7898acca0a5f3df12f801d97f
- https://git.kernel.org/stable/c/4df1f2d36bdc9a368650bf14b9097c555e95f71d
- https://git.kernel.org/stable/c/63546395a0e6ac264f78f65218086ce6014b4494
- https://git.kernel.org/stable/c/6f5780536181d1d0d09a11a1bc92f22e143447e2
- https://git.kernel.org/stable/c/922f56e9a795d6f3dd72d3428ebdd7ee040fa855
- https://mirrors.edge.kernel.org/pub/linux/kernel/v5.x/ChangeLog-5.10.177
- https://mirrors.edge.kernel.org/pub/linux/kernel/v5.x/ChangeLog-5.15.105
- https://mirrors.edge.kernel.org/pub/linux/kernel/v6.x/ChangeLog-6.1.22
- https://mirrors.edge.kernel.org/pub/linux/kernel/v6.x/ChangeLog-6.2.9
- https://mirrors.edge.kernel.org/pub/linux/kernel/v6.x/ChangeLog-6.3