CVE-2023-0494
—CVSS 3.1
7.8 high
EPSS
<1%p58
Published
()
Modified
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.
- Vendors
- x.orgfedoraprojectredhat
- Products
- x server, fedora, enterprise linux, enterprise linux aus, enterprise linux desktop, enterprise linux eus, enterprise linux for ibm z systems, enterprise linux for ibm z systems eus, enterprise linux for power big endian, enterprise linux for power little endian, enterprise linux for power little endian eus, enterprise linux for scientific computing
- Weakness
- CWE-416
- Vector
- CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H
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