Infinite loop in Linux kernel firmware cirrus driver

1) Infinite loop

EUVDB-ID: #VU95513

Risk: Low

CVSSv3.1: 4.8 [CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H/E:U/RL:O/RC:C]

CVE-ID: CVE-2024-42237

CWE-ID: CWE-835 - Loop with Unreachable Exit Condition ('Infinite Loop')

Exploit availability: No

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(), cs_dsp_load_coeff() and regmap_async_complete() 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

CPE2.3

• cpe:2.3:o:linux_foundation:linux_kernel:*:*:*:*:*:*:*:

External links

http://git.kernel.org/stable/c/259955eca9b7acf1299b1ac077d8cfbe12df35d8
http://git.kernel.org/stable/c/3a9cd924aec1288d675df721f244da4dd7e16cff
http://git.kernel.org/stable/c/71d9e313d8f7e18c543a9c80506fe6b1eb1fe0c8
http://git.kernel.org/stable/c/6598afa9320b6ab13041616950ca5f8f938c0cf1

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.