CVE-2022-48951 ASoC: ops: Check bounds for second channel in snd_soc_put_volsw_sx()

High 7.8 Published 21 Oct 2024 Updated 23 May 2026

A missing bounds check in the Linux kernel's ASoC volume control allows out-of-bounds writes, potentially leading to memory corruption and privilege escalation.

Exploited in the wild: Not known
Login needed: Any signed-in user
Attackable: Local or same network only
Victim action needed: Not needed
Fix: Available

What is CVE-2022-48951?

CVE-2022-48951 is a high-severity memory corruption vulnerability in Linux kernel, published on 21 Oct 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: ops: Check bounds for second channel in snd_soc_put_volsw_sx()

The bounds checks in snd_soc_put_volsw_sx() are only being applied to the first channel, meaning it is possible to write out of bounds values to the second channel in stereo controls. Add appropriate checks.

Weakness: CWE-787

Which versions are affected by CVE-2022-48951?

It affects 1 product.

Products include Linux kernel.

How do I fix CVE-2022-48951?

Apply the vendor's patch.

Upgrade to the fixed version. Memory-safe languages, compiler hardening and fuzzing prevent most new cases. More about Memory corruption.

Is CVE-2022-48951 being exploited?

There is no known exploitation of CVE-2022-48951 in the wild and no public exploit code.

All Linux kernel vulnerabilities

Sources

Also known as DEBIAN-CVE-2022-48951, GHSA-vwjf-jh23-hhpx, UBUNTU-CVE-2022-48951.