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CVE-2022-2320

Date: August 31, 2022

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.

Language: C

Severity Score

Related Resources (17)

https://github.com/freedesktop/xorg-xserver/commit/dd8caf39e9e15d8f302e54045dd08d8ebf1025dc
https://access.redhat.com/errata/RHSA-2022:7583
https://access.redhat.com/errata/RHSA-2022:8221
https://security.alpinelinux.org/vuln/CVE-2022-2320
https://gitlab.freedesktop.org/xorg/xserver/-/merge_requests/938
https://www.zerodayinitiative.com/advisories/ZDI-22-963/
https://gitlab.freedesktop.org/xorg/xserver/-/merge_requests/939
https://nvd.nist.gov/vuln/detail/CVE-2022-2320
https://access.redhat.com/errata/RHSA-2022:8222
https://security.gentoo.org/glsa/202210-30
https://bugzilla.redhat.com/show_bug.cgi?id=2106683
https://security-tracker.debian.org/tracker/CVE-2022-2320
https://access.redhat.com/errata/RHSA-2022:5905
https://access.redhat.com/security/cve/CVE-2022-2320
https://security.netapp.com/advisory/ntap-20221104-0003/
https://lists.freedesktop.org/archives/xorg-announce/2022-July/003192.html
https://www.mend.io/vulnerability-database/CVE-2022-2320

Severity Score

Weakness Type (CWE)

Out-of-bounds Write

CWE-787

CVSS v3.1

Base Score:
Attack Vector (AV): LOCAL
Attack Complexity (AC): LOW
Privileges Required (PR): LOW
User Interaction (UI): NONE
Scope (S): UNCHANGED
Confidentiality (C): HIGH
Integrity (I): HIGH
Availability (A): HIGH

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