CVE-2021-47381 ASoC: SOF: Fix DSP oops stack dump output contents

Medium 5.5 Published Updated

A flaw in the Linux kernel's ASoC SOF driver could leak sensitive stack data during DSP error handling, requiring a patch to correct the dump output.

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-2021-47381?

CVE-2021-47381 is a medium-severity vulnerability in Linux kernel, published on 21 May 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: Fix DSP oops stack dump output contents

Fix @buf arg given to hex_dump_to_buffer() and stack address used in dump error output.

Weakness: CWE-209

Which versions are affected by CVE-2021-47381?

It affects 1 product.

Products include Linux kernel.

How do I fix CVE-2021-47381?

Apply the vendor's patch.

Is CVE-2021-47381 being exploited?

There is no known exploitation of CVE-2021-47381 in the wild and no public exploit code.

All Linux kernel vulnerabilities

Sources

Also known as DEBIAN-CVE-2021-47381, GHSA-77hq-crr3-x6hc, ROOT-OS-DEBIAN-11-CVE-2021-47381, UBUNTU-CVE-2021-47381.

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