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Status published
Unknown
CVE-2023-0494
A vulnerability was found in X.Org. This issue occurs due...
Vulnerability Description
A vulnerability was found in X.Org. This issue occurs due to a dangling pointer in DeepCopyPointerClasses that can be exploited by ProcXkbSetDeviceInfo() and ProcXkbGetDeviceInfo() to read and write into freed memory. This can lead to local privilege elevation on systems where the X server runs privileged and remote code execution for ssh X forwarding sessions.
Impact Analysis
Refer to official advisory for detailed impact metrics.
Remediation
Ensure systems are updated to the latest vendor-supplied patch levels.
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Credits & Attribution
No credits recorded in the NVD database.
References
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Affected Vendor
Affected Software
xorg-x11-server
Vulnerable Versions:
xorg-server 21.1.7
Timeline
Official Publish:
March 27th, 2023
Last Modified:
February 24th, 2025
Added to House:
July 22nd, 2026
CVSS Vectors
No vector data available