CVE-2022-0854

Public Exploit

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.

Categories

5.5
CVSS
Severity: Medium
CVSS 3.1 •
CVSS 2.0 •
EPSS 0.01%
Vendor Advisory debian.org Vendor Advisory debian.org
Affected: n/a Kernel
Published at:
Updated at:

References

Link Tags
https://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git/commit/kernel/dma/swiotlb.c?h=v5.17-rc8&id=aa6f8dcbab473f3a3c7454b74caa46d36cdc5d13 mailing list exploit third party advisory
https://www.debian.org/security/2022/dsa-5161 third party advisory vendor advisory
https://lists.debian.org/debian-lts-announce/2022/07/msg00000.html third party advisory mailing list
https://www.debian.org/security/2022/dsa-5173 third party advisory vendor advisory

Frequently Asked Questions

What is the severity of CVE-2022-0854?
CVE-2022-0854 has been scored as a medium severity vulnerability.
How to fix CVE-2022-0854?
To fix CVE-2022-0854, make sure you are using an up-to-date version of the affected component(s) by checking the vendor release notes. As for now, there are no other specific guidelines available.
Is CVE-2022-0854 being actively exploited in the wild?
It is possible that CVE-2022-0854 is being exploited or will be exploited in a near future based on public information. According to its EPSS score, there is a ~0% probability that this vulnerability will be exploited by malicious actors in the next 30 days.
What software or system is affected by CVE-2022-0854?
CVE-2022-0854 affects n/a Kernel.
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