CVE-2022-2320

CVE Details

Release Date:	2022-09-01
Impact:	None	What is this?

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.

See more information about CVE-2022-2320 from MITRE CVE dictionary and NIST NVD

NOTE: The following CVSS metrics and score provided are preliminary and subject to review.

CVSS v3 metrics

Base Score:	7.8
Vector String:	CVSS:3.0/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H
Version:	3.0
Attack Vector:	Local
Attack Complexity:	Low
Privileges Required:	Low
User Interaction:	None
Scope:	Unchanged
Confidentiality Impact:	High
Integrity Impact:	High
Availability Impact:	High

Errata information

Platform	Errata	Release Date
Oracle Linux version 7 (xorg-x11-server)	ELSA-2022-5905	2022-08-04
Oracle Linux version 8 (xorg-x11-server)	ELSA-2022-7583	2022-11-15
Oracle Linux version 8 (xorg-x11-server-Xwayland)	ELSA-2022-7583	2022-11-15
Oracle Linux version 8 (xorg-x11-xtrans-devel)	ELSA-2022-7583	2022-11-15
Oracle Linux version 9 (xorg-x11-server)	ELSA-2022-8221	2022-11-22
Oracle Linux version 9 (xorg-x11-server-Xwayland)	ELSA-2022-8222	2022-11-22