#VU95514 Infinite loop in Linux kernel - CVE-2024-42238

Vulnerability identifier: #VU95514

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-2024-42238

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 cs_dsp_load() and cs_dsp_load_coeff() functions in drivers/firmware/cirrus/cs_dsp.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/b8be70566b33abbd0180105070b4c67cfef8c44f
https://git.kernel.org/stable/c/90ab191b7d181057d71234e8632e06b5844ac38e
https://git.kernel.org/stable/c/6eabd23383805725eff416c203688b7a390d4153
https://git.kernel.org/stable/c/959fe01e85b7241e3ec305d657febbe82da16a02

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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.