Mageia 7, 8: MGASA-2021-0190 Low Severity X Server Escalation Threat
mageia
April 15, 2021
Insufficient checks on the lengths of the XInput extension ChangeFeedbackControl request can lead to out of bounds memory accesses in the X server
Summary
Insufficient checks on the lengths of the XInput extension
ChangeFeedbackControl request can lead to out of bounds memory
accesses in the X server.
These issues can lead to privilege escalation for authorized clients
on systems where the X server is running privileged (CVE-2021-3472).
References
- https://bugs.mageia.org/show_bug.cgi?id=28774
- https://lists.freedesktop.org/archives/xorg/2021-April/060678.html
- https://lists.freedesktop.org/archives/xorg/2021-April/060679.html
- https://www.cve.org/CVERecord?id=CVE-2021-3472
Resolution
SRPMS
- 7/core/x11-server-1.20.11-1.mga7
- 8/core/x11-server-1.20.11-1.mga8
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Publication date: 15 Apr 2021
URL: https://advisories.mageia.org/MGASA-2021-0190.html
Type: security
CVE: CVE-2021-3472
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