#VU102931 Improper locking in Linux kernel - CVE-2024-57903

Vulnerability identifier: #VU102931

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-2024-57903

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 sk_setsockopt() function in net/core/sock.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/3257813a3ae7462ac5cde04e120806f0c0776850
https://git.kernel.org/stable/c/579cfa595af1e00ccc9c3a849a4add6bba8b4bad
https://git.kernel.org/stable/c/5b0af621c3f6ef9261cf6067812f2fd9943acb4b
https://git.kernel.org/stable/c/ad2ad4cd11af9d63187cd074314b71b7cf8a2a59
https://git.kernel.org/stable/c/ad91a2dacbf8c26a446658cdd55e8324dfeff1e7

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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.