Home/CVE/A flaw was found in the Xorg-x11-server. The specific flaw exists within the handling of ProcXkbSetDeviceInfo requests.
CVE

CVE-2022-2320

A flaw was found in the Xorg-x11-server. The specific flaw exists within the handling of ProcXkbSetDeviceInfo requests.

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.

HIGH · CVSS 7.8 EPSS 0.00062
Schedule remediation
  • CVSS base score ≥ 7.0
Sigma rules0 YARA rules0
⬡

Weakness Classification

CWE-787Out-of-bounds Write
CWE-787Out-of-bounds Write
▤

Affected Products & Versions

1
x.org x serverall versions
▣

Scoring & Timeline

7.8
HIGH · CVSS v3.1 · secalert@redhat.com
View on NVD
Attack Vector
Network Adjacent Local Physical
Attack Complexity
Low High
Privileges Required
None Low High
User Interaction
None Required
Scope
Unchanged Changed
Confidentiality
None Low High
Integrity
None Low High
Availability
None Low High
Published to NVD01 Sep 2022 · 09:15 PM
CVSS VectorCVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H
⚑

Vendor Advisories

14
suse-csafopenSUSE-SU-2024:12187-1
rhsaRHSA-2022:7583Moderate
rhsaRHSA-2022:8221Moderate
rhsaRHSA-2022:5905Moderate
rhsaRHSA-2022:8222Moderate
🔗

References & Sources

7
Source URLs (vendor pages, mailing lists, write-ups). Exploit/PoC links are in their own section above to avoid duplication.
https://github.com/freedesktop/xorg-xserver/commit/dd8caf39e9e15d8f302e54045dd08d8ebf1025dcPatchThird Party Advisory
https://gitlab.freedesktop.org/xorg/xserver/-/merge_requests/938PatchThird Party Advisory
https://gitlab.freedesktop.org/xorg/xserver/-/merge_requests/939PatchThird Party Advisory
https://lists.freedesktop.org/archives/xorg-announce/2022-July/003192.htmlPatchThird Party Advisory
https://security.gentoo.org/glsa/202210-30Third Party Advisory
https://security.netapp.com/advisory/ntap-20221104-0003/Third Party Advisory
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