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CVE-2023-5367

Xorg-x11-server: out-of-bounds write in xichangedeviceproperty/rrchangeoutputproperty

Published: Oct 25, 2023Updated: Nov 4, 2025 Sources: CVE List NVD BDUCWE-787
NVD MITRE
7.8CVSSHIGH
EPSS Score
0.6%
Top 55.1%
CISA KEV
Not in KEV
Exploits
No Known Exploits
Remediation
Patch Available

Description

A out-of-bounds write flaw was found in the xorg-x11-server. This issue occurs due to an incorrect calculation of a buffer offset when copying data stored in the heap in the XIChangeDeviceProperty function in Xi/xiproperty.c and in RRChangeOutputProperty function in randr/rrproperty.c, allowing for possible escalation of privileges or denial of service.

CVSS Vector Breakdown

AV:LAC:LPR:LUI:NS:UC:HI:HA:H
Exploitability
AV:LAttack Vector
Local
AC:LAttack Complexity
Low
PR:LPrivileges Required
Low
UI:NUser Interaction
None
Scope
S:UScope
Unchanged
Impact
C:HConfidentiality
High
I:HIntegrity
High
A:HAvailability
High
Open in CVSS calculator →

Weaknesses

CWE-787

Affected Products

x serverx.org
On-prem
Operating Systems / unix-bsd
xwaylandx.org
On-prem
Operating Systems / linux-distro
enterprise linuxredhat
On-premOS
Operating Systems / linux-distro
enterprise linux desktopredhat
On-premOS
Operating Systems / linux-distro
enterprise linux for ibm z systemsredhat
On-premOS
Operating Systems / linux-distro
x.orgoss-projectUSOperating Systems
redhatcommercialUSOperating Systemsaka red hat
and 35 more affected products View all →

Attack Graph

Products CVE Techniques Tactics

Click technique nodes to view MITRE ATT&CK details. Scroll to zoom, drag to pan.

Exploitability

Official Patch Available
Workaround Available

MITRE ATT&CK

2 techniques
Initial Access
Privilege Escalation
View detailed technique mapping

References

https://access.redhat.com/errata/RHSA-2023:6802
access.redhat.com
https://access.redhat.com/errata/RHSA-2023:6808
access.redhat.com
https://access.redhat.com/errata/RHSA-2023:7373
access.redhat.com
and 44 more references View all →

Timeline

Published
Oct 25, 2023
Last Updated
Nov 4, 2025

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