Critical vulnerability in default Linux installations

A critical vulnerability (CVE-2021-4034) has been identified that requires the immediate attention of most Linux users. Please prioritize this issue.  

Information about this vulnerability, who it affects, how to search for it, and mitigation strategies if you find it,  are on our webpage: Critical vulnerability in most default Linux installations

We want to make sure that finding and fixing this vulnerability is high priority for all Linux administrators.  Linux users who are not administrators should contact their administartor to make sure it is being fixed.

Thank you for helping to keep everyone’s data and information at UVA secure.