#VU92362 Improper locking in Linux kernel - CVE-2024-38595

Vulnerability identifier: #VU92362

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-2024-38595

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 mlx5_sf_dev_probe() function in drivers/net/ethernet/mellanox/mlx5/core/sf/dev/driver.c, within the mlx5_init_one_light() 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/a0501201751034ebe7a22bd9483ed28fea1cd213
http://git.kernel.org/stable/c/05d9d7b66836d87c914f8fdd4b062b78e373458d
http://git.kernel.org/stable/c/3c453e8cc672de1f9c662948dba43176bc68d7f0

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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.