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Ubuntu 21.04: 4960-1 Critical: runC File Overwrite Threat

ubuntu
Calendar Grey May 19, 2021
Dist Ubuntu Esm H88
Ubuntu Security Advisory USN-4960-1 reveals a vulnerability in runC that permits unauthorized file replacements by potential intruders. Apply the patch immediately!
runC could be made to overwrite files as the administrator.

Summary

Topics%20covered

Topics Covered

security advisory critical software update privilege escalation file overwrite Ubuntu ubuntu runC mount targets

Update Instructions

The problem can be corrected by updating your system to the following package versions: Ubuntu 21.04: runc 1.0.0~rc93-0ubuntu1.1 Ubuntu 20.10: runc 1.0.0~rc93-0ubuntu1~20.10.2 Ubuntu 20.04 LTS: runc 1.0.0~rc93-0ubuntu1~20.04.2 Ubuntu 18.04 LTS: runc 1.0.0~rc93-0ubuntu1~18.04.2 In general, a standard system update will make all the necessary changes.

References

https://ubuntu.com/security/notices/USN-4960-1

CVE-2021-30465

Severity
critical
Lowest
Low
Medium
High
Critical

May 19, 2021

Topics%20covered

Topics Covered

security advisory critical software update privilege escalation file overwrite Ubuntu ubuntu runC mount targets

Package Information

https://launchpad.net/ubuntu/+source/runc/1.0.0~rc93-0ubuntu1.1 https://launchpad.net/ubuntu/+source/runc/1.0.0~rc93-0ubuntu1~20.10.2 https://launchpad.net/ubuntu/+source/runc/1.0.0~rc93-0ubuntu1~20.04.2 https://launchpad.net/ubuntu/+source/runc/1.0.0~rc93-0ubuntu1~18.04.2

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