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HIGH · 7.8

CVE-2023-6377

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 e...

Vulnerability 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 Score

7.8

HIGH

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

Affected Products

VendorProductVersions
RedhatEnterprise Linux Eus9.2
DebianDebian Linux10.0
X.OrgX Server< 21.1.10
RedhatEnterprise Linux6.0
X.OrgXwayland< 23.2.3
TigervncTigervnc-

Related Weaknesses (CWE)

CWE-125

References

FAQ

What is CVE-2023-6377?

CVE-2023-6377 is a vulnerability with a CVSS score of 7.8 (HIGH). 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 e...

How severe is CVE-2023-6377?

CVE-2023-6377 has been rated HIGH with a CVSS base score of 7.8/10. Review the CVSS metrics above for detailed severity breakdown.

Is there a patch for CVE-2023-6377?

Check the references section above for vendor advisories and patch information. Affected products include: Redhat Enterprise Linux Eus, Debian Debian Linux, X.Org X Server, Redhat Enterprise Linux, X.Org Xwayland.