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Gentoo Linux: CVE-2021-30465: runC: Container breakout

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Gentoo Linux: CVE-2021-30465: runC: Container breakout

Severity
6
CVSS
(AV:N/AC:M/Au:S/C:P/I:P/A:P)
Published
05/27/2021
Created
07/13/2021
Added
07/12/2021
Modified
07/12/2021

Description

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.

Solution(s)

  • gentoo-linux-upgrade-app-emulation-runc

References

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