CVE-2022-46343

xorg-x11-server: ScreenSaverSetAttributes use-after-free

Published Dec 14, 2022 CVSS 3.1 · 8.8 High EPSS 2.6% KEV · Not listed
Description
A vulnerability was found in X.Org. This security flaw occurs because the handler for the ScreenSaverSetAttributes request may write to memory after it has been freed. 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.

Remediation

No solution or workaround provided in the CVE record

Tracking

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Advisories

Source ID Title
Debian DLA Debian DLA DLA-3256-1 xorg-server security update
Debian DSA Debian DSA DSA-5304-1 xorg-server security update
EUVD EUVD EUVD-2022-49159 A vulnerability was found in X.Org. This security flaw occurs because the handler for the ScreenSaverSetAttributes request may write to memory after it has been freed. 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.
Ubuntu USN Ubuntu USN USN-5778-1 X.Org X Server vulnerabilities
Ubuntu USN Ubuntu USN USN-5778-2 X.Org X Server vulnerabilities
History
Type Values Removed Values Added
Metrics ssvc

{'options': {'Automatable': 'no', 'Exploitation': 'none', 'Technical Impact': 'total'}, 'version': '2.0.3'}

Weaknesses

Sources

Status
PUBLISHED
Assigner
redhat
Published
Updated
Apr 22, 2025, 3:14 PM
Reserved
Nov 30, 2022, 12:00 AM
Status
Modified
Published
Dec 14, 2022, 9:15 PM
Modified
Jun 17, 2026, 5:11 AM
Severity
Important
Public date
Dec 14, 2022, 12:00 AM