Rapid7 Vulnerability & Exploit Database

CentOS Linux: CVE-2021-3472: Important: xorg-x11-server security update (CESA-2021:2033)

Free InsightVM Trial No Credit Card Necessary
Watch Demo See how it all works
Back to Search

CentOS Linux: CVE-2021-3472: Important: xorg-x11-server security update (CESA-2021:2033)

Severity
7
CVSS
(AV:L/AC:L/Au:N/C:C/I:C/A:C)
Published
04/26/2021
Created
06/01/2021
Added
06/01/2021
Modified
05/25/2023

Description

A flaw was found in xorg-x11-server in versions before 1.20.11. An integer underflow can occur in xserver which can lead to a local privilege escalation. The highest threat from this vulnerability is to data confidentiality and integrity as well as system availability.

Solution(s)

  • centos-upgrade-xorg-x11-server-common
  • centos-upgrade-xorg-x11-server-debuginfo
  • centos-upgrade-xorg-x11-server-devel
  • centos-upgrade-xorg-x11-server-source
  • centos-upgrade-xorg-x11-server-xdmx
  • centos-upgrade-xorg-x11-server-xephyr
  • centos-upgrade-xorg-x11-server-xnest
  • centos-upgrade-xorg-x11-server-xorg
  • centos-upgrade-xorg-x11-server-xvfb
  • centos-upgrade-xorg-x11-server-xwayland

References

  • DSA-4893
  • CVE-2021-3472

insightVM

Advanced vulnerability management analytics and reporting.
Key Features
Free InsightVM Trial View All Features

With Rapid7 live dashboards, I have a clear view of all the assets on my network, which ones can be exploited, and what I need to do in order to reduce the risk in my environment in real-time. No other tool gives us that kind of value and insight.

– Scott Cheney, Manager of Information Security, Sierra View Medical Center

;