CVE-2022-46340

CVE Details

Release Date:

2022-12-14

Description

A vulnerability was found in X.Org. This security flaw occurs becuase the swap handler for the XTestFakeInput request of the XTest extension may corrupt the stack if GenericEvents with lengths larger than 32 bytes are sent through a the XTestFakeInput request. This issue can lead to local privileges elevation on systems where the X server is running privileged and remote code execution for ssh X forwarding sessions. This issue does not affect systems where client and server use the same byte order.

See more information about CVE-2022-46340 from MITRE CVE dictionary and NIST NVD

CVSS v3.0 metrics

NOTE: The following CVSS v3.0 metrics and score provided are preliminary and subject to review.

Base Score:	8.8	Base Metrics:	AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H
Access Vector:	Network	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 (tigervnc)	ELSA-2023-0045	2023-01-09
Oracle Linux version 7 (xorg-x11-server)	ELSA-2023-0046	2023-01-09
Oracle Linux version 8 (tigervnc)	ELSA-2023-2830	2023-05-24
Oracle Linux version 8 (xorg-x11-server)	ELSA-2023-2806	2023-05-24
Oracle Linux version 8 (xorg-x11-server-Xwayland)	ELSA-2023-2805	2023-05-24
Oracle Linux version 9 (tigervnc)	ELSA-2023-2257	2023-05-15
Oracle Linux version 9 (xorg-x11-server)	ELSA-2023-2248	2023-05-15
Oracle Linux version 9 (xorg-x11-server-Xwayland)	ELSA-2023-2249	2023-05-15

This page is generated automatically and has not been checked for errors or omissions. For clarification or corrections please contact the Oracle Linux ULN team