#VU94202 Memory leak in Linux kernel - CVE-2024-40906

Vulnerability identifier: #VU94202

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-2024-40906

CWE-ID: CWE-401

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 memory leak within the mlx5_function_teardown() function in drivers/net/ethernet/mellanox/mlx5/core/main.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
http://git.kernel.org/stable/c/e7d4485d47839f4d1284592ae242c4e65b2810a9
http://git.kernel.org/stable/c/6ccada6ffb42e0ac75e3db06d41baf5a7f483f8a
http://git.kernel.org/stable/c/e6777ae0bf6fd5bc626bb051c8c93e3c8198a3f8
http://git.kernel.org/stable/c/c8b3f38d2dae0397944814d691a419c451f9906f

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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.