CVE-2022-50051 ASoC: SOF: debug: Fix potential buffer overflow by snprintf()

High 7.8 Published Updated

A potential buffer overflow in the Linux kernel's ASoC SOF debug module could allow attackers to execute arbitrary code or cause a system crash.

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-2022-50051?

CVE-2022-50051 is a high-severity memory corruption vulnerability in Linux kernel, published on 18 Jun 2025. 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: debug: Fix potential buffer overflow by snprintf()

snprintf() returns the would-be-filled size when the string overflows the given buffer size, hence using this value may result in the buffer overflow (although it's unrealistic).

This patch replaces with a safer version, scnprintf() for papering over such a potential issue.

Weakness: CWE-787

Which versions are affected by CVE-2022-50051?

It affects 1 product.

Products include Linux kernel.

How do I fix CVE-2022-50051?

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-2022-50051 being exploited?

There is no known exploitation of CVE-2022-50051 in the wild and no public exploit code.

All Linux kernel vulnerabilities

Sources

Also known as DEBIAN-CVE-2022-50051, GHSA-c7c9-cxv9-j779, UBUNTU-CVE-2022-50051.

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