==========================================================================
Ubuntu Security Notice USN-6619-1
January 31, 2024

runc vulnerability
==========================================================================

A security issue affects these releases of Ubuntu and its derivatives:

- Ubuntu 23.10
- Ubuntu 22.04 LTS
- Ubuntu 20.04 LTS
- Ubuntu 18.04 LTS (Available with Ubuntu Pro)

Summary:

runC could be made to expose sensitive information or allow to escape
contianers.

Software Description:
- runc: Open Container Project

Details:

Rory McNamara discovered that runC did not properly manage internal file
descriptor while managing containers. An attacker could possibly use this
issue to obtain sensitive information or bypass container restrictions.

Update instructions:

The problem can be corrected by updating your system to the following
package versions:

Ubuntu 23.10:
  runc                            1.1.7-0ubuntu2.2

Ubuntu 22.04 LTS:
  runc                            1.1.7-0ubuntu1~22.04.2

Ubuntu 20.04 LTS:
  runc                            1.1.7-0ubuntu1~20.04.2

Ubuntu 18.04 LTS (Available with Ubuntu Pro):
  runc                            1.1.4-0ubuntu1~18.04.2+esm1

In general, a standard system update will make all the necessary changes.

References:
  https://ubuntu.com/security/notices/USN-6619-1
  CVE-2024-21626

Package Information:
  https://launchpad.net/ubuntu/+source/runc/1.1.7-0ubuntu2.2
  https://launchpad.net/ubuntu/+source/runc/1.1.7-0ubuntu1~22.04.2
  https://launchpad.net/ubuntu/+source/runc/1.1.7-0ubuntu1~20.04.2

Ubuntu 6619-1: runC vulnerability

January 31, 2024
runC could be made to expose sensitive information or allow to escape contianers.

Summary

A security issue affects these releases of Ubuntu and its derivatives: - Ubuntu 23.10 - Ubuntu 22.04 LTS - Ubuntu 20.04 LTS - Ubuntu 18.04 LTS (Available with Ubuntu Pro) Summary: runC could be made to expose sensitive information or allow to escape contianers. Software Description: - runc: Open Container Project Details: Rory McNamara discovered that runC did not properly manage internal file descriptor while managing containers. An attacker could possibly use this issue to obtain sensitive information or bypass container restrictions.

Update Instructions

The problem can be corrected by updating your system to the following package versions: Ubuntu 23.10: runc 1.1.7-0ubuntu2.2 Ubuntu 22.04 LTS: runc 1.1.7-0ubuntu1~22.04.2 Ubuntu 20.04 LTS: runc 1.1.7-0ubuntu1~20.04.2 Ubuntu 18.04 LTS (Available with Ubuntu Pro): runc 1.1.4-0ubuntu1~18.04.2+esm1 In general, a standard system update will make all the necessary changes.

References

https://ubuntu.com/security/notices/USN-6619-1

CVE-2024-21626

Severity
Ubuntu Security Notice USN-6619-1

Package Information

https://launchpad.net/ubuntu/+source/runc/1.1.7-0ubuntu2.2 https://launchpad.net/ubuntu/+source/runc/1.1.7-0ubuntu1~22.04.2 https://launchpad.net/ubuntu/+source/runc/1.1.7-0ubuntu1~20.04.2

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