CVE-2022-2320

Description

A flaw was found in the Xorg-x11-server. The specific flaw exists within the handling of ProcXkbSetDeviceInfo requests. The issue results from the lack of proper validation of user-supplied data, which can result in a memory access past the end of an allocated buffer. This flaw allows an attacker to escalate privileges and execute arbitrary code in the context of root.

Category

7.8
CVSS
Severity: High
CVSS 3.1 •
EPSS 0.05%
Vendor Advisory gentoo.org
Affected: n/a xorg-x11-server
Published at:
Updated at:

References

Link Tags
https://gitlab.freedesktop.org/xorg/xserver/-/merge_requests/938 third party advisory patch
https://gitlab.freedesktop.org/xorg/xserver/-/merge_requests/939 third party advisory patch
https://github.com/freedesktop/xorg-xserver/commit/dd8caf39e9e15d8f302e54045dd08d8ebf1025dc third party advisory patch
https://www.zerodayinitiative.com/advisories/ZDI-22-963/ vdb entry third party advisory
https://lists.freedesktop.org/archives/xorg-announce/2022-July/003192.html third party advisory patch
https://security.gentoo.org/glsa/202210-30 third party advisory vendor advisory
https://security.netapp.com/advisory/ntap-20221104-0003/ third party advisory

Frequently Asked Questions

What is the severity of CVE-2022-2320?
CVE-2022-2320 has been scored as a high severity vulnerability.
How to fix CVE-2022-2320?
To fix CVE-2022-2320, 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-2022-2320 being actively exploited in the wild?
As for now, there are no information to confirm that CVE-2022-2320 is being actively exploited. 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-2022-2320?
CVE-2022-2320 affects n/a xorg-x11-server.
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