#VU105022 Improper locking in Linux kernel - CVE-2024-57974

Vulnerability identifier: #VU105022

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-2024-57974

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 compute_score() and __udp6_lib_lookup() functions in net/ipv6/udp.c, within the udp_ehashfn() and __udp4_lib_lookup() functions in net/ipv4/udp.c. A local user can perform a denial of service (DoS) attack.

Mitigation
Install update from vendor's website.

Vulnerable software versions

Linux kernel: 6.13 - 6.13.1

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External links
https://git.kernel.org/stable/c/4f8344fce91c5766d368edb0ad80142eacd805c7
https://git.kernel.org/stable/c/a502ea6fa94b1f7be72a24bcf9e3f5f6b7e6e90c
https://git.kernel.org/stable/c/d65d3bf309b2649d27b24efd0d8784da2d81f2a6
https://mirrors.edge.kernel.org/pub/linux/kernel/v6.x/ChangeLog-6.13.2

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Q & A

Can this vulnerability be exploited remotely?

Is there known malware, which exploits this vulnerability?