CVE-2023-0494
A vulnerability was found in X.Org. This issue occurs due to a dangling pointer in DeepCopyPointerClasses that can be exploited by ProcXkbSetDeviceInf...
Original description
The description as published by the source.
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.
Fix status by distribution
Fixed packages published by each distribution for this CVE
- Debian DEBIAN-CVE-2023-0494 xorg-server Fixed in: 2:1.20.11-1+deb11u5
References
- advisory github.com
- advisory nvd.nist.gov
- advisory security.gentoo.org
- patch gitlab.freedesktop.org
- report bugzilla.redhat.com
- web lists.x.org