Ubuntu alert USN-4960-1 (runc)
| From: | Marc Deslauriers <marc.deslauriers@canonical.com> | |
| To: | "ubuntu-security-announce@lists.ubuntu.com" <ubuntu-security-announce@lists.ubuntu.com> | |
| Subject: | [USN-4960-1] runC vulnerability | |
| Date: | Wed, 19 May 2021 07:24:48 -0400 | |
| Message-ID: | <2d785631-8a30-d7eb-4332-7956945f32d6@canonical.com> |
========================================================================== Ubuntu Security Notice USN-4960-1 May 19, 2021 runc vulnerability ========================================================================== A security issue affects these releases of Ubuntu and its derivatives: - Ubuntu 21.04 - Ubuntu 20.10 - Ubuntu 20.04 LTS - Ubuntu 18.04 LTS Summary: runC could be made to overwrite files as the administrator. Software Description: - runc: Open Container Project Details: Etienne Champetier discovered that runC incorrectly checked mount targets. An attacker with a malicious container image could possibly mount the host filesystem into the container and escalate privileges. 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 Package Information: https://launchpad.net/ubuntu/+source/runc/1.0.0~rc93-0ubu... https://launchpad.net/ubuntu/+source/runc/1.0.0~rc93-0ubu... https://launchpad.net/ubuntu/+source/runc/1.0.0~rc93-0ubu... https://launchpad.net/ubuntu/+source/runc/1.0.0~rc93-0ubu... -- ubuntu-security-announce mailing list ubuntu-security-announce@lists.ubuntu.com Modify settings or unsubscribe at: https://lists.ubuntu.com/mailman/listinfo/ubuntu-security...