CVE-2024-39473: linux kernel Null Dereference — Fix

Description

In the Linux kernel, the following vulnerability has been resolved: ASoC: SOF: ipc4-topology: Fix input format query of process modules without base extension If a process module does not have base config extension then the same format applies to all of it's inputs and the process->base_config_ext is NULL, causing NULL dereference when specifically crafted topology and sequences used.

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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-476 CWE-476

Affected Products

Vendor	Product	Versions
linux	linux_kernel	< 6.4
linux	linux_kernel	6.6 — 6.6.34
linux	linux_kernel	6.9 — 6.9.5
linux	linux_kernel	All

References

Advisories & Patches

https://git.kernel.org/stable/c/9e16f17a2a0e97b43538b272e7071537a3e03368 https://git.kernel.org/stable/c/e3ae00ee238bce6cfa5ad935c921181c14d18fd6 https://git.kernel.org/stable/c/ffa077b2f6ad124ec3d23fbddc5e4b0ff2647af8 https://git.kernel.org/stable/c/9e16f17a2a0e97b43538b272e7071537a3e03368 https://git.kernel.org/stable/c/e3ae00ee238bce6cfa5ad935c921181c14d18fd6 https://git.kernel.org/stable/c/ffa077b2f6ad124ec3d23fbddc5e4b0ff2647af8

Frequently Asked Questions

What is CVE-2024-39473? +

In the Linux kernel, the following vulnerability has been resolved: ASoC: SOF: ipc4-topology: Fix input format query of process modules without base extension If a process module does not have base config extension then the same format applies to all of it's inputs and the process->base_config_ext is NULL, causing NULL dereference when specifically crafted topology and sequences used. It has a CVSS v3.1 base score of 5.5 (MEDIUM).

How severe is CVE-2024-39473? +

CVE-2024-39473 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-2024-39473? +

CVE-2024-39473 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-2024-39473? +

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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