SB2025040263 - NULL pointer dereference in Linux kernel core lib driver
Published: April 2, 2025 Updated: May 11, 2025
Security Bulletin ID
SB2025040263
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-2025-21975)
The vulnerability allows a local user to perform a denial of service (DoS) attack.
The vulnerability exists due to NULL pointer dereference within the mlx5_chains_create_table() function in drivers/net/ethernet/mellanox/mlx5/core/lib/fs_chains.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/093b4aaec97ec048623e3fe1e516fc45a954d412
- https://git.kernel.org/stable/c/1598307c914ba3d2642a2b03d1ff11efbdb7c6c2
- https://git.kernel.org/stable/c/1d34296409a519b4027750e3e82d9e19553a7398
- https://git.kernel.org/stable/c/637105ef0d46fe5beac15aceb431da3ec832bb00
- https://git.kernel.org/stable/c/eab0396353be1c778eba1c0b5180176f04dd21ce
- https://mirrors.edge.kernel.org/pub/linux/kernel/v5.x/ChangeLog-5.10.236
- https://mirrors.edge.kernel.org/pub/linux/kernel/v5.x/ChangeLog-5.15.180
- https://mirrors.edge.kernel.org/pub/linux/kernel/v6.x/ChangeLog-6.1.132
- https://mirrors.edge.kernel.org/pub/linux/kernel/v6.x/ChangeLog-6.12.20
- https://mirrors.edge.kernel.org/pub/linux/kernel/v6.x/ChangeLog-6.13.8
- https://mirrors.edge.kernel.org/pub/linux/kernel/v6.x/ChangeLog-6.14
- https://mirrors.edge.kernel.org/pub/linux/kernel/v6.x/ChangeLog-6.6.84