SB20240531527 - NULL pointer dereference in Linux kernel mlx5 core driver
Published: May 31, 2024 Updated: May 14, 2025
Security Bulletin ID
SB20240531527
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-2023-52487)
The vulnerability allows a local user to perform a denial of service (DoS) attack.
The vulnerability exists due to NULL pointer dereference within the mlx5e_tc_del_fdb_peer_flow() function in drivers/net/ethernet/mellanox/mlx5/core/en_tc.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/74cec142f89bf85c6c99c5db957da9f663f9f16f
- https://git.kernel.org/stable/c/e24d6f5a7f2d95a98a46257a5a5a5381d572894f
- https://git.kernel.org/stable/c/d76fdd31f953ac5046555171620f2562715e9b71
- https://mirrors.edge.kernel.org/pub/linux/kernel/v6.x/ChangeLog-6.6.15
- https://mirrors.edge.kernel.org/pub/linux/kernel/v6.x/ChangeLog-6.7.3
- https://mirrors.edge.kernel.org/pub/linux/kernel/v6.x/ChangeLog-6.8