Xorg-x11-server: out-of-bounds memory reads/writes in xkb button actions

7.8 CVSS

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.

Impact Analysis

Refer to official advisory for detailed impact metrics.

Remediation

Ensure systems are updated to the latest vendor-supplied patch levels.

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Credits & Attribution

The following person or organization is credited with identifying this vulnerability, as recorded in the NVD database:

This issue was discovered by Peter Hutterer (Red Hat).

References

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Affected Vendor

Red Hat

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Affected Software

Red Hat Enterprise Linux 6 Extended Lifecycle Support - EXTENSION, Red Hat Enterprise Linux 7, Red Hat Enterprise Linux 8, Red Hat Enterprise Linux 8.2 Advanced Update Support, Red Hat Enterprise Linux 8.2 Telecommunications Update Service, Red Hat Enterprise Linux 8.2 Update Services for SAP Solutions, Red Hat Enterprise Linux 8.4 Advanced Mission Critical Update Support, Red Hat Enterprise Linux 8.4 Telecommunications Update Service, Red Hat Enterprise Linux 8.4 Update Services for SAP Solutions, Red Hat Enterprise Linux 8.6 Extended Update Support, Red Hat Enterprise Linux 8.8 Extended Update Support, Red Hat Enterprise Linux 9, Red Hat Enterprise Linux 9.0 Extended Update Support, Red Hat Enterprise Linux 9.2 Extended Update Support, Red Hat Enterprise Linux 6

Vulnerable Versions:

0:1.1.0-25.el6_10.14, 0:1.8.0-28.el7_9, 0:1.20.4-25.el7_9, 0:1.13.1-2.el8_9.4, 0:1.20.11-22.el8, 0:21.1.3-15.el8, 0:1.9.0-15.el8_2.6, 0:1.11.0-8.el8_4.5, 0:1.12.0-6.el8_6.6, 0:1.12.0-15.el8_8.4, 0:1.13.1-3.el9_3.3, 0:1.20.11-24.el9, 0:22.1.9-5.el9, 0:1.11.0-22.el9_0.5, 0:1.12.0-14.el9_2.2