What’s Vulnerable › Vulnerabilities

CVE-2024-39473: ASoC: SOF: ipc4-topology: Fix input format query of process modules without base extension

• Severity: medium (CVSS 5.5 v3.1)
• Exploited in the wild: not listed in CISA KEV
• EPSS: 0.2% probability of exploitation in the next 30 days
• Public exploit or detection template: none known
• Published: 2024-07-05 · updated 2026-06-17
• Weakness: CWE-476

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.

Affected products

• Linux kernel: before 6.4; from 6.6 before 6.6.34; from 6.9 before 6.9.5; 6.10.0-rc1 — fixed in 6.4, 6.6.34, 6.9.5

How to fix

Upgrade to a fixed version: Linux kernel 6.4, 6.6.34, 6.9.5. Check the vendor advisory for mitigations.

References

• 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

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