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CVE-2022-4283

Published: Dec 14, 2022

Modified: Apr 14, 2025

PUBLISHED

Description

A vulnerability was found in X.Org. This security flaw occurs because the XkbCopyNames function left a dangling pointer to freed memory, resulting in out-of-bounds memory access on subsequent XkbGetKbdByName requests.. 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.

Vendor	Product	Versions
n/a	xorg-x11-server	affected `xorg-x11-server-1.20.4`

References

https://bugzilla.redhat.com/show_bug.cgi?id=2151761

https://access.redhat.com/security/cve/CVE-2022-4283

FEDORA-2022-c3a65f7c65

vendor-advisory

FEDORA-2022-721a78b7e5

vendor-advisory

vendor-advisory

FEDORA-2022-dd3eb7e0a8

vendor-advisory

https://security.gentoo.org/glsa/202305-30

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