CVE-2021-3472

Related Vulnerabilities: CVE-2021-3472  

A flaw was found in xorg-x11-server. An interger 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.

Description

A flaw was found in xorg-x11-server. An interger 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.

Statement

Xorg server does not run with root privileges in Red Hat Enterprise Linux 8, therefore this flaw has been rated as having moderate impact for Red Hat Enterprise linux 8.

Xorg server does not run with root privileges in Red Hat Enterprise Linux 8, therefore this flaw has been rated as having moderate impact for Red Hat Enterprise linux 8.

Additional Information

  • Bugzilla 1944167: CVE-2021-3472 xorg-x11-server: XChangeFeedbackControl integer underflow leads to privilege escalation
  • CWE-191: Integer Underflow (Wrap or Wraparound)
  • FAQ: Frequently asked questions about CVE-2021-3472