#VU97178 Improper locking in Linux kernel - CVE-2024-45019

Vulnerability identifier: #VU97178

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-2024-45019

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_tx_reporter_timeout_recover() function in drivers/net/ethernet/mellanox/mlx5/core/en/reporter_tx.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

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External links
https://git.kernel.org/stable/c/03d3734bd692affe4d0e9c9d638f491aaf37411b
https://git.kernel.org/stable/c/b3b9a87adee97854bcd71057901d46943076267e
https://git.kernel.org/stable/c/8e57e66ecbdd2fddc9fbf3e984b1c523b70e9809
https://git.kernel.org/stable/c/e6b5afd30b99b43682a7764e1a74a42fe4d5f4b3

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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.