CVE-2024-26927 ASoC: SOF: Add some bounds checking to firmware data

High 8.4 Published Updated

A missing bounds check in the Linux kernel's SOF audio driver allows an integer underflow, potentially leading to a 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-2024-26927?

CVE-2024-26927 is a high-severity vulnerability in Linux kernel, published on 28 Apr 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: SOF: Add some bounds checking to firmware data

Smatch complains about "head->full_size - head->header_size" can underflow. To some extent, we're always going to have to trust the firmware a bit. However, it's easy enough to add a check for negatives, and let's add a upper bounds check as well.

Weakness: CWE-120

Which versions are affected by CVE-2024-26927?

It affects 1 product.

Products include Linux kernel.

How do I fix CVE-2024-26927?

Apply the vendor's patch.

Is CVE-2024-26927 being exploited?

There is no known exploitation of CVE-2024-26927 in the wild and no public exploit code.

All Linux kernel vulnerabilities

Sources

Also known as BELL-CVE-2024-26927, DEBIAN-CVE-2024-26927, GHSA-prcq-9p67-4w6h, UBUNTU-CVE-2024-26927.

Is CVE-2024-26927 in your software?

Upload an SBOM and sbomify checks it against every vulnerability here, every day.

Check your SBOMs for free