CVE-2022-46341

HIGH

X.Org - Privilege Escalation

Title source: llm

Description

A vulnerability was found in X.Org. This security flaw occurs because the handler for the XIPassiveUngrab request accesses out-of-bounds memory when invoked with a high keycode or button code. 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.

References (7)

[Third Party Advisory] https://access.redhat.com/security/cve/CVE-2022-46341

[Issue Tracking, Third Party Advisory] https://bugzilla.redhat.com/show_bug.cgi?id=2151756

[Mailing List, Third Party Advisory] https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/5NELB7YDWRABYYBG4UPTHRBDTKJRV5M2/

[Mailing List, Third Party Advisory] https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/DXDF2O5PPLE3SVAJJYUOSAD5QZ4TWQ2G/

[Mailing List, Third Party Advisory] https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/Z67QC4C3I2FI2WRFIUPEHKC36J362MLA/

[Third Party Advisory] https://www.debian.org/security/2022/dsa-5304

[Third Party Advisory] https://security.gentoo.org/glsa/202305-30

Scores

CVSS v3 8.8

EPSS 0.0111

EPSS Percentile 77.9%

Attack Vector NETWORK

CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H

Classification

CWE

CWE-787

Status published

Affected Products (4)

x.org/x_server

fedoraproject/fedora

fedoraproject/fedora

debian/debian_linux

Timeline

Published Dec 14, 2022

Tracked Since Feb 18, 2026