CVE-2023-6377

High

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.

SeverityHigh

CVSS7.8

Exploit probability—

Product

Redhat Enterprise Linux Eus

PublishedDec 13, 2023

First seenDec 13, 2023

Weakness typeCWE-125Out-of-bounds read

How to fix

Update

x.org x_server21.1.10 or later
x.org xwayland23.2.3 or later

Patches

gitlab.freedesktop.org/xorg/xserver/-/commit/0c1a93d319558fe3ab2d94f51d174b4f93810afd

Vendor advisories

Affected products

Product	Affected versions	Fixed in
redhat enterprise_linux_eus	9.2	—
debian debian_linux	10.0, 11.0, 12.0	—
x.org x_server	v < 21.1.10	21.1.10
x.org xwayland	v < 23.2.3	23.2.3
tigervnc tigervnc	No range specified	—

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