CVE-2024-42237: linux kernel — Fix

Description

In the Linux kernel, the following vulnerability has been resolved: firmware: cs_dsp: Validate payload length before processing block Move the payload length check in cs_dsp_load() and cs_dsp_coeff_load() to be done before the block is processed. The check that the length of a block payload does not exceed the number of remaining bytes in the firwmware file buffer was being done near the end of the loop iteration. However, some code before that check used the length field without validating it.

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CVSS v3.1 Score

5.5

MEDIUM

CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H

Weakness Type (CWE)

CWE-834 CWE-834

Affected Products

Vendor	Product	Versions
linux	linux_kernel	< 5.16
linux	linux_kernel	5.17 — 6.1.100
linux	linux_kernel	6.2 — 6.6.41
linux	linux_kernel	6.7 — 6.9.10

References

Advisories & Patches

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

Other References

https://lists.debian.org/debian-lts-announce/2025/01/msg00001.html

Frequently Asked Questions

What is CVE-2024-42237? +

In the Linux kernel, the following vulnerability has been resolved: firmware: cs_dsp: Validate payload length before processing block Move the payload length check in cs_dsp_load() and cs_dsp_coeff_load() to be done before the block is processed. The check that the length of a block payload does not exceed the number of remaining bytes in the firwmware file buffer was being done near the end of the loop iteration. However, some code before that check used the length field without validating it. It has a CVSS v3.1 base score of 5.5 (MEDIUM).

How severe is CVE-2024-42237? +

CVE-2024-42237 has a CVSS v3.1 score of 5.5 out of 10, rated MEDIUM. This is a medium-severity vulnerability that should be remediated as part of regular maintenance.

What products are affected by CVE-2024-42237? +

CVE-2024-42237 affects products from linux, specifically: linux_kernel. Check the affected products table above for specific version ranges.

How do I check if I'm vulnerable to CVE-2024-42237? +

You can use Secably's free Website Scanner to check your website for known vulnerabilities. For infrastructure scanning, use the Port Scanner to identify exposed services that may be affected. Check the vendor advisories linked above for specific patch and version information.

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