Improper locking in Linux kernel mlx5 core driver

1) Improper locking

EUVDB-ID: #VU90768

Risk: Low

CVSSv3.1: 4.8 [AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H/E:U/RL:O/RC:C]

CVE-ID: CVE-2024-27014

CWE-ID: CWE-667 - Improper Locking

Exploit availability: No

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_arfs_enable(), arfs_del_rules(), arfs_handle_work() and mlx5e_rx_flow_steer() functions in drivers/net/ethernet/mellanox/mlx5/core/en_arfs.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

http://git.kernel.org/stable/c/46efa4d5930cf3c2af8c01f75e0a47e4fc045e3b
http://git.kernel.org/stable/c/48c4bb81df19402d4346032353d0795260255e3b
http://git.kernel.org/stable/c/0080bf99499468030248ebd25dd645e487dcecdc
http://git.kernel.org/stable/c/fef965764cf562f28afb997b626fc7c3cec99693

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.