#VU92018 Improper locking in Linux kernel - CVE-2024-35959


Vulnerability identifier: #VU92018

Vulnerability risk: Low

CVSSv4.0: 4.3 [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-2024-35959

CWE-ID: CWE-667

Exploitation vector: Local

Exploit availability: No

Vulnerable software:
Linux kernel
Operating systems & Components / Operating system

Vendor: Linux Foundation

Description

The vulnerability allows a local user to perform a denial of service (DoS) attack.

The vulnerability exists due to improper locking within the mlx5e_priv_cleanup() function in drivers/net/ethernet/mellanox/mlx5/core/en_main.c, within the mlx5e_selq_init() and mlx5e_selq_cleanup() functions in drivers/net/ethernet/mellanox/mlx5/core/en/selq.c. A local user can perform a denial of service (DoS) attack.

Mitigation
Install update from vendor's website.

Vulnerable software versions

Linux kernel: All versions


External links
https://git.kernel.org/stable/c/ad26f26abd353113dea4e8d5ebadccdab9b61e76
https://git.kernel.org/stable/c/f9ac93b6f3de34aa0bb983b9be4f69ca50fc70f3
https://git.kernel.org/stable/c/6bd77865fda662913dcb5722a66a773840370aa7
https://git.kernel.org/stable/c/ecb829459a841198e142f72fadab56424ae96519


Q & A

Can this vulnerability be exploited remotely?

No. This vulnerability can be exploited locally. The attacker should have authentication credentials and successfully authenticate on the system.

Is there known malware, which exploits this vulnerability?

No. We are not aware of malware exploiting this vulnerability.


Latest bulletins with this vulnerability