CVE - CVE-2023-0494

CVE-ID
CVE-2023-0494	Learn more at National Vulnerability Database (NVD) • CVSS Severity Rating • Fix Information • Vulnerable Software Versions • SCAP Mappings • CPE Information
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.
References
Note: References are provided for the convenience of the reader to help distinguish between vulnerabilities. The list is not intended to be complete.
GENTOO:GLSA-202305-30 URL:https://security.gentoo.org/glsa/202305-30 MISC:https://bugzilla.redhat.com/show_bug.cgi?id=2165995 URL:https://bugzilla.redhat.com/show_bug.cgi?id=2165995 MISC:https://gitlab.freedesktop.org/xorg/xserver/-/commit/0ba6d8c37071131a49790243cdac55392ecf71ec URL:https://gitlab.freedesktop.org/xorg/xserver/-/commit/0ba6d8c37071131a49790243cdac55392ecf71ec MISC:https://lists.x.org/archives/xorg-announce/2023-February/003320.html URL:https://lists.x.org/archives/xorg-announce/2023-February/003320.html
Assigning CNA
Red Hat, Inc.
Date Record Created
20230125	Disclaimer: The record creation date may reflect when the CVE ID was allocated or reserved, and does not necessarily indicate when this vulnerability was discovered, shared with the affected vendor, publicly disclosed, or updated in CVE.
Phase (Legacy)
Assigned (20230125)
Votes (Legacy)

Comments (Legacy)

Proposed (Legacy)
N/A
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