CVE-2021-30465
Published: 19 May 2021
runc before 1.0.0-rc95 allows a Container Filesystem Breakout via Directory Traversal. To exploit the vulnerability, an attacker must be able to create multiple containers with a fairly specific mount configuration. The problem occurs via a symlink-exchange attack that relies on a race condition.
Priority
High
CVSS 3 base score: 8.5
Status
| Package | Release | Status |
|---|---|---|
|
runc Launchpad, Ubuntu, Debian |
Upstream |
Released
(1.0.0-rc95)
|
| Ubuntu 21.10 (Impish Indri) |
Released
(1.0.0~rc93-0ubuntu2)
|
|
| Ubuntu 21.04 (Hirsute Hippo) |
Released
(1.0.0~rc93-0ubuntu1.1)
|
|
| Ubuntu 20.04 LTS (Focal Fossa) |
Released
(1.0.0~rc93-0ubuntu1~20.04.2)
|
|
| Ubuntu 18.04 LTS (Bionic Beaver) |
Released
(1.0.0~rc93-0ubuntu1~18.04.2)
|
|
| Ubuntu 16.04 ESM (Xenial Xerus) |
Ignored
(end of standard support, was needed)
|
|
| Ubuntu 14.04 ESM (Trusty Tahr) |
Does not exist
|