CVE-2022-0854 Information disclosure in Kernel

Medium 5.5 Published Updated

A local attacker can exploit a memory leak in the Linux kernel DMA subsystem to read random kernel memory.

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-2022-0854?

CVE-2022-0854 is a medium-severity vulnerability in Debian Debian Linux, published on 23 Mar 2022. It can only be exploited from the same machine or local network, with no action from the victim.

Official description

A memory leak flaw was found in the Linux kernel’s DMA subsystem, in the way a user calls DMA_FROM_DEVICE. This flaw allows a local user to read random memory from the kernel space.

Weakness: CWE-401, CWE-200

Which versions are affected by CVE-2022-0854?

It affects 2 products.

Products include Debian Debian Linux, Linux kernel.

How do I fix CVE-2022-0854?

Apply the vendor's patch.

Is CVE-2022-0854 being exploited?

There is no known exploitation of CVE-2022-0854 in the wild and no public exploit code.

All Debian Debian Linux vulnerabilities

Sources

Also known as AZL-9142, DEBIAN-CVE-2022-0854, GHSA-hjpw-pwwm-fvgm, UBUNTU-CVE-2022-0854.

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