#VU95515 Infinite loop in Linux kernel - CVE-2024-42246

Vulnerability identifier: #VU95515

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-2024-42246

CWE-ID: CWE-835

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 infinite loop within the xs_tcp_setup_socket() function in net/sunrpc/xprtsock.c. A local user can perform a denial of service (DoS) attack.

Mitigation
Install update from vendor's website.

Vulnerable software versions

Linux kernel: 4.19 - 4.19.321, 5.4 - 5.4.283, 5.10 - 5.10.225, 5.15 - 5.15.166, 6.1 - 6.1.99, 6.6 - 6.6.40

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External links
https://git.kernel.org/stable/c/f2431e7db0fe0daccb2f06bb0d23740affcd2fa6
https://git.kernel.org/stable/c/d6c686c01c5f12ff8f7264e0ddf71df6cb0d4414
https://git.kernel.org/stable/c/f388cfd913a2b96c05339a335f365795db1b36b6
https://git.kernel.org/stable/c/626dfed5fa3bfb41e0dffd796032b555b69f9cde
https://mirrors.edge.kernel.org/pub/linux/kernel/v4.x/ChangeLog-4.19.322
https://mirrors.edge.kernel.org/pub/linux/kernel/v5.x/ChangeLog-5.10.226
https://mirrors.edge.kernel.org/pub/linux/kernel/v5.x/ChangeLog-5.15.167
https://mirrors.edge.kernel.org/pub/linux/kernel/v5.x/ChangeLog-5.4.284
https://mirrors.edge.kernel.org/pub/linux/kernel/v6.x/ChangeLog-6.1.100
https://mirrors.edge.kernel.org/pub/linux/kernel/v6.x/ChangeLog-6.10
https://mirrors.edge.kernel.org/pub/linux/kernel/v6.x/ChangeLog-6.6.41

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Q & A

Can this vulnerability be exploited remotely?

Is there known malware, which exploits this vulnerability?