CVE-2023-6377

Published: Dic 13, 2023 Last Modified: Feb 25, 2026 EU-VD ID: EUVD-2023-58618 Aliases: GSD-2023-6377
ExploitDB:
Other exploit source:
Google Dorks:
HIGH 7,8
Attack Vector: local
Attack Complexity: low
Privileges Required: low
User Interaction: none
Scope: unchanged
Confidentiality: high
Integrity: high
Availability: high

Description

AI Translation Available

A flaw was found in xorg-server. Querying or changing XKB button actions such as moving from a touchpad to a mouse can result in out-of-bounds memory reads and writes. This may allow local privilege escalation or possible remote code execution in cases where X11 forwarding is involved.

EPSS (Exploit Prediction Scoring System)

Trend Analysis

EPSS (Exploit Prediction Scoring System)

Prevede la probabilità di sfruttamento basata su intelligence sulle minacce e sulle caratteristiche della vulnerabilità.

EPSS Score
0,0041
Percentile
0,6th
Updated

EPSS Score Trend (Last 90 Days)

125

Out-of-bounds Read

Draft
Common Consequences
Security Scopes Affected:
Confidentiality Availability Other
Potential Impacts:
Read Memory Bypass Protection Mechanism Dos: Crash, Exit, Or Restart Varies By Context
Applicable Platforms
Languages: C, C++, Memory-Unsafe
Technologies: ICS/OT
View CWE Details
787

Out-of-bounds Write

Draft
Common Consequences
Security Scopes Affected:
Integrity Availability Other
Potential Impacts:
Modify Memory Execute Unauthorized Code Or Commands Dos: Crash, Exit, Or Restart Unexpected State
Applicable Platforms
Languages: Assembly, C, C++, Memory-Unsafe
Technologies: ICS/OT
View CWE Details
Operating System

Debian Linux by Debian

cpe:2.3:o:debian:debian_linux:10.0:*:*:*:*:*:*:*
Common Platform Enumeration - Standardized vulnerability identification
Operating System

Enterprise Linux Eus by Redhat

cpe:2.3:o:redhat:enterprise_linux_eus:9.2:*:*:*:*:*:*:*
Common Platform Enumeration - Standardized vulnerability identification
Operating System

Debian Linux by Debian

cpe:2.3:o:debian:debian_linux:12.0:*:*:*:*:*:*:*
Common Platform Enumeration - Standardized vulnerability identification
Application

Tigervnc by Tigervnc

cpe:2.3:a:tigervnc:tigervnc:-:*:*:*:*:*:*:*
Common Platform Enumeration - Standardized vulnerability identification
Application

Xwayland by X.Org

Version Range Affected
To 23.2.3 (exclusive)
cpe:2.3:a:x.org:xwayland:*:*:*:*:*:*:*:*
Common Platform Enumeration - Standardized vulnerability identification
Application

X Server by X.Org

Version Range Affected
To 21.1.10 (exclusive)
cpe:2.3:a:x.org:x_server:*:*:*:*:*:*:*:*
Common Platform Enumeration - Standardized vulnerability identification
Operating System

Debian Linux by Debian

cpe:2.3:o:debian:debian_linux:11.0:*:*:*:*:*:*:*
Common Platform Enumeration - Standardized vulnerability identification
https://access.redhat.com/errata/RHSA-2023:7886
https://access.redhat.com/errata/RHSA-2024:0006
https://access.redhat.com/errata/RHSA-2024:0009
https://access.redhat.com/errata/RHSA-2024:0010
https://access.redhat.com/errata/RHSA-2024:0014
https://access.redhat.com/errata/RHSA-2024:0015
https://access.redhat.com/errata/RHSA-2024:0016
https://access.redhat.com/errata/RHSA-2024:0017
https://access.redhat.com/errata/RHSA-2024:0018
https://access.redhat.com/errata/RHSA-2024:0020
https://access.redhat.com/errata/RHSA-2024:2169
https://access.redhat.com/errata/RHSA-2024:2170
https://access.redhat.com/errata/RHSA-2024:2995
https://access.redhat.com/errata/RHSA-2024:2996
https://access.redhat.com/security/cve/CVE-2023-6377
https://bugzilla.redhat.com/show_bug.cgi?id=2253291
https://gitlab.freedesktop.org/xorg/xserver/-/commit/0c1a93d319558fe3ab2d94f51d…
https://lists.debian.org/debian-lts-announce/2023/12/msg00008.html
https://lists.debian.org/debian-lts-announce/2023/12/msg00013.html
https://lists.x.org/archives/xorg-announce/2023-December/003435.html
https://security.gentoo.org/glsa/202401-30
https://security.netapp.com/advisory/ntap-20240125-0003/
https://www.debian.org/security/2023/dsa-5576
http://www.openwall.com/lists/oss-security/2023/12/13/1
https://access.redhat.com/errata/RHSA-2023:7886
https://access.redhat.com/errata/RHSA-2024:0006
https://access.redhat.com/errata/RHSA-2024:0009
https://access.redhat.com/errata/RHSA-2024:0010
https://access.redhat.com/errata/RHSA-2024:0014
https://access.redhat.com/errata/RHSA-2024:0015
https://access.redhat.com/errata/RHSA-2024:0016
https://access.redhat.com/errata/RHSA-2024:0017
https://access.redhat.com/errata/RHSA-2024:0018
https://access.redhat.com/errata/RHSA-2024:0020
https://access.redhat.com/errata/RHSA-2024:2169
https://access.redhat.com/errata/RHSA-2024:2170
https://access.redhat.com/errata/RHSA-2024:2995
https://access.redhat.com/errata/RHSA-2024:2996
https://access.redhat.com/errata/RHSA-2025:13998
https://access.redhat.com/security/cve/CVE-2023-6377
https://bugzilla.redhat.com/show_bug.cgi?id=2253291
https://gitlab.freedesktop.org/xorg/xserver/-/commit/0c1a93d319558fe3ab2d94f51d…
https://lists.x.org/archives/xorg-announce/2023-December/003435.html