runc vulnerabilities

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

* Ubuntu 19.10
* Ubuntu 18.04 LTS

Summary

Several security issues were fixed in runc.

Software Description

* runc - Open Container Project

Details

It was discovered that runC incorrectly checked mount targets. An
attacker with a malicious container image could possibly mount
over the /proc directory and escalate privileges. This issue only
affected Ubuntu 18.04 LTS. (CVE-2019-16884)

It was discovered that runC incorrectly performed access control.
An attacker could possibly use this issue to escalate privileges.
(CVE-2019-19921)

Update instructions

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

Ubuntu 19.10
runc - 1.0.0~rc10-0ubuntu1~19.10.2

Ubuntu 18.04 LTS
runc - 1.0.0~rc10-0ubuntu1~18.04.2

To update your system, please follow these instructions:
https://wiki.ubuntu.com/Security/Upgrades.

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

References

* CVE-2019-16884
* CVE-2019-19921

--- Mystic BBS v1.12 A45 (Linux/64)
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