CVE-2023-0494

Name
CVE-2023-0494
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.
NVD Severity
unknown
Other trackers
Mailing lists
Exploits
Forges
GitHub (code, issues), Aports (code, issues)

References

Type URI
MISC https://gitlab.freedesktop.org/xorg/xserver/-/commit/0ba6d8c37071131a49790243cdac55392ecf71ec
MISC https://bugzilla.redhat.com/show_bug.cgi?id=2165995
MISC https://lists.x.org/archives/xorg-announce/2023-February/003320.html
GENTOO https://security.gentoo.org/glsa/202305-30

Match rules

CPE URI Source package Min version Max version
cpe:2.3:a:x.org:x_server:*:*:*:*:*:*:*:* x_server >= None < 21.1.7

Vulnerable and fixed packages

Source package Branch Version Maintainer Status