#VU96293 NULL pointer dereference in Linux kernel - CVE-2024-43866
Published: August 21, 2024 / Updated: May 12, 2025
Vulnerability identifier: #VU96293
Vulnerability risk: Low
CVSSv4.0: CVSS:4.0/AV:L/AC:L/AT:N/PR:L/UI:N/VC:N/VI:N/VA:H/SC:N/SI:N/SA:N/E:U/U:Clear
CVE-ID: CVE-2024-43866
CWE-ID: CWE-476
Exploitation vector: Local access
Exploit availability:
No public exploit available
Vulnerable software:
Linux kernel
Linux kernel
Software vendor:
Linux Foundation
Linux Foundation
Description
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_sf_dev_shutdown() function in drivers/net/ethernet/mellanox/mlx5/core/sf/dev/driver.c, within the mlx5_try_fast_unload() and shutdown() functions in drivers/net/ethernet/mellanox/mlx5/core/main.c. A local user can perform a denial of service (DoS) attack.
Remediation
Install update from vendor's website.
External links
- https://git.kernel.org/stable/c/6b6c2ebd83f2bf97e8f221479372aaca97a4a9b2
- https://git.kernel.org/stable/c/6048dec754554a1303d632be6042d3feb3295285
- https://git.kernel.org/stable/c/1b75da22ed1e6171e261bc9265370162553d5393
- https://mirrors.edge.kernel.org/pub/linux/kernel/v6.x/ChangeLog-6.1.113
- https://mirrors.edge.kernel.org/pub/linux/kernel/v6.x/ChangeLog-6.10.4
- https://mirrors.edge.kernel.org/pub/linux/kernel/v6.x/ChangeLog-6.11
- https://mirrors.edge.kernel.org/pub/linux/kernel/v6.x/ChangeLog-6.6.45