CVE-2024-46862 ASoC: Intel: soc-acpi-intel-mtl-match: add missing empty item

High 8.0 Published Updated

A missing empty item in the Intel MTL sound driver causes a null pointer dereference, leading to a kernel crash and denial of service.

Exploited in the wild
Not known
Login needed
Not needed
Attackable
Local or same network only
Victim action needed
Not needed
Fix
Available

What is CVE-2024-46862?

CVE-2024-46862 is a high-severity vulnerability in Linux kernel, published on 27 Sep 2024. It can only be exploited from the same machine or local network, with no action from the victim.

Official description

In the Linux kernel, the following vulnerability has been resolved:

ASoC: Intel: soc-acpi-intel-mtl-match: add missing empty item

There is no links_num in struct snd_soc_acpi_mach {}, and we test !link->num_adr as a condition to end the loop in hda_sdw_machine_select(). So an empty item in struct snd_soc_acpi_link_adr array is required.

Which versions are affected by CVE-2024-46862?

It affects 1 product.

Products include Linux kernel.

How do I fix CVE-2024-46862?

Apply the vendor's patch.

Is CVE-2024-46862 being exploited?

There is no known exploitation of CVE-2024-46862 in the wild and no public exploit code.

All Linux kernel vulnerabilities

Sources

Also known as BELL-CVE-2024-46862, DEBIAN-CVE-2024-46862, GHSA-m95h-4hjq-w7wv, UBUNTU-CVE-2024-46862.

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