Vulnerability Details : CVE-2022-2320
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.
Vulnerability category: Memory CorruptionExecute code
Products affected by CVE-2022-2320
- cpe:2.3:a:x.org:xorg-server:21.1.0:*:*:*:*:*:*:*
Exploit prediction scoring system (EPSS) score for CVE-2022-2320
0.08%
Probability of exploitation activity in the next 30 days
EPSS Score History
~ 38 %
Percentile, the proportion of vulnerabilities that are scored at or less
CVSS scores for CVE-2022-2320
Base Score | Base Severity | CVSS Vector | Exploitability Score | Impact Score | Score Source | First Seen |
---|---|---|---|---|---|---|
7.8
|
HIGH | CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H |
1.8
|
5.9
|
NIST |
CWE ids for CVE-2022-2320
-
The product writes data past the end, or before the beginning, of the intended buffer.Assigned by:
- nvd@nist.gov (Secondary)
- secalert@redhat.com (Primary)
References for CVE-2022-2320
-
https://gitlab.freedesktop.org/xorg/xserver/-/merge_requests/938
Fix CVE-2022-2319, CVE-2022-2320 (!938) · Merge requests · xorg / xserver · GitLabPatch;Third Party Advisory
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https://github.com/freedesktop/xorg-xserver/commit/dd8caf39e9e15d8f302e54045dd08d8ebf1025dc
xkb: swap XkbSetDeviceInfo and XkbSetDeviceInfoCheck · freedesktop/xorg-xserver@dd8caf3 · GitHubPatch;Third Party Advisory
-
https://security.netapp.com/advisory/ntap-20221104-0003/
September 2022 X.Org X Server Vulnerabilities in NetApp Products | NetApp Product SecurityThird Party Advisory
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https://www.zerodayinitiative.com/advisories/ZDI-22-963/
ZDI-22-963 | Zero Day InitiativeThird Party Advisory;VDB Entry
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https://security.gentoo.org/glsa/202210-30
X.Org X server, XWayland: Multiple Vulnerabilities (GLSA 202210-30) — Gentoo securityThird Party Advisory
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https://gitlab.freedesktop.org/xorg/xserver/-/merge_requests/939
[server 21.1] Fix CVE-2022-2319, CVE-2022-2320 (!939) · Merge requests · xorg / xserver · GitLabPatch;Third Party Advisory
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https://lists.freedesktop.org/archives/xorg-announce/2022-July/003192.html
X.Org Security Advisory: July 12, 2022Patch;Third Party Advisory
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