CVE-2023-6377

HIGH EPSS 72.5%
Published Dec 13, 20232y ago · Modified Jun 23, 20266d ago
7.8 CVSS 3.1
High
Find Similar
Published Dec 13, 2023 2y ago
Last Modified Jun 23, 2026 6d ago

Description

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.

CVSS Details

Base Score
7.8
Exploitability
1.8
Impact
5.9
Vector string
CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H
Attack Vector Local
Attack Complexity Low
Privileges Required Low
User Interaction None
Scope Unchanged
Confidentiality High
Integrity High
Availability High

Threat Intelligence

EPSS Exploit Probability
72.5% percentile
Exploit & Patch Status
No Known Exploit
Patch Available

Weaknesses 1

CWE-125 Out-of-bounds Read Memory Safety

Affected Products 17

VendorProductVersionRange
redhatenterprise_linux_eus9.2any
debiandebian_linux10.0any
debiandebian_linux11.0any
debiandebian_linux12.0any
x.orgx_server* <21.1.10
redhatenterprise_linux6.0any
redhatenterprise_linux7.0any
redhatenterprise_linux8.0any
redhatenterprise_linux9.0any
x.orgxwayland* <23.2.3
redhatenterprise_linux8.0any
redhatenterprise_linux9.0any
tigervnctigervnc*any
redhatenterprise_linux6.0any
redhatenterprise_linux7.0any
redhatenterprise_linux8.0any
redhatenterprise_linux9.0any

References 29

Remediation

  • gitlab.freedesktop.org https://gitlab.freedesktop.org/xorg/xserver/-/commit/0c1a93d319558fe3ab2d94f51d174b4f93810afd
    Patch