High severity · published Sep 1, 2022
CVE-2022-2320
A flaw was found in the Xorg-x11-server
7.8
CVSS
0.6%
EPSS
No
On KEV
Description
A flaw was found in the Xorg-x11-server. The specific flaw exists within the handling of ProcXkbSetDeviceInfo requests. The issue results from the lack of proper validation of user-supplied data, which can result in a memory access past the end of an allocated buffer. This flaw allows an attacker to escalate privileges and execute arbitrary code in the context of root.
CVSS vector
CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H
Attack vector
Local
Complexity
Low
Privileges
Low
User interaction
None
Confidentiality
High
Integrity
High
Availability
High
Scope
Unchanged
Exploitation
Is it being used?
Exploit prediction (EPSS)0.6% · higher than 50% of CVEs
Exploited in the wildNo evidence yet
CISA KEVNot listed
Ransomware campaign useNot known
Affected products
Which versions
XS
X Server · X.org
21.1.0 · source: NVD
References
NVD
https://nvd.nist.gov/vuln/detail/CVE-2022-2320
CVE.org
https://www.cve.org/CVERecord?id=CVE-2022-2320
Patch
https://github.com/freedesktop/xorg-xserver/commit/dd8caf39e9e15d8f302e54045dd08d8ebf1025dc
Patch
https://gitlab.freedesktop.org/xorg/xserver/-/merge_requests/938
Patch
https://gitlab.freedesktop.org/xorg/xserver/-/merge_requests/939
Patch
https://lists.freedesktop.org/archives/xorg-announce/2022-July/003192.html
Third Party Advisory
https://security.gentoo.org/glsa/202210-30
Third Party Advisory
https://security.netapp.com/advisory/ntap-20221104-0003/
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