cve-2023-0494
Vulnerability from cvelistv5
Published
2023-03-27 00:00
Modified
2025-02-24 17:43
Severity ?
7.8 (High) - CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H
EPSS score ?
0.58% (0.67579)
Summary
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
secalert@redhat.comhttps://bugzilla.redhat.com/show_bug.cgi?id=2165995Issue Tracking, Third Party Advisory
secalert@redhat.comhttps://gitlab.freedesktop.org/xorg/xserver/-/commit/0ba6d8c37071131a49790243cdac55392ecf71ecPatch
secalert@redhat.comhttps://lists.x.org/archives/xorg-announce/2023-February/003320.htmlMailing List, Vendor Advisory
secalert@redhat.comhttps://security.gentoo.org/glsa/202305-30
af854a3a-2127-422b-91ae-364da2661108https://bugzilla.redhat.com/show_bug.cgi?id=2165995Issue Tracking, Third Party Advisory
af854a3a-2127-422b-91ae-364da2661108https://gitlab.freedesktop.org/xorg/xserver/-/commit/0ba6d8c37071131a49790243cdac55392ecf71ecPatch
af854a3a-2127-422b-91ae-364da2661108https://lists.x.org/archives/xorg-announce/2023-February/003320.htmlMailing List, Vendor Advisory
af854a3a-2127-422b-91ae-364da2661108https://security.gentoo.org/glsa/202305-30
Impacted products
Vendor Product Version
n/a xorg-x11-server Version: xorg-server 21.1.7
Show details on NVD website

To clipboard 

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