CVE-2023-6377

Highest-risk unexploited with PoCs

Exploit code exists, no confirmed in-the-wild activity, ranked by EPSS

Actively Exploited

Confirmed exploited in the wild, sorted by most recently updated

CVSS 7.8EPSS 2%

Published 2023-12-13Updated 2025-04-27

Vulnerability details

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:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H

CNAredhat

EPSS score history

Sources

1 links

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CVE Organization

Profile

CVSS

7.8

EPSS

Published

2023-12-13

Updated

2025-04-27

CNA

redhat

Vendors

Red Hat

14 products

CPEs

cpe:/o:redhat:rhel_els:6

cpe:/o:redhat:enterprise_linux:7::computenode

cpe:/o:redhat:enterprise_linux:7::server

cpe:/o:redhat:enterprise_linux:7::client

cpe:/o:redhat:enterprise_linux:7::workstation

cpe:/a:redhat:enterprise_linux:8::appstream

cpe:/a:redhat:enterprise_linux:8::crb

cpe:/a:redhat:rhel_e4s:8.2::appstream

cpe:/a:redhat:rhel_aus:8.2::appstream

cpe:/a:redhat:rhel_tus:8.2::appstream

cpe:/a:redhat:rhel_tus:8.4::appstream

cpe:/a:redhat:rhel_aus:8.4::appstream

cpe:/a:redhat:rhel_e4s:8.4::appstream

cpe:/a:redhat:rhel_eus:8.6::appstream

cpe:/a:redhat:rhel_eus:8.8::appstream

cpe:/a:redhat:enterprise_linux:9::appstream

cpe:/a:redhat:enterprise_linux:9::crb

cpe:/a:redhat:rhel_eus:9.0::appstream

cpe:/a:redhat:rhel_eus:9.2::appstream

cpe:/o:redhat:enterprise_linux:6

Vulnerability dashboard

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