ALT-PU-2015-1277-3

Package update lxc in branch sisyphus

Version1.1.0-alt1

Published2026-10-14

Max severityCRITICAL

Severity:

Closed issues (2)

CRITICAL9.1

lxc-attach in LXC before 1.0.9 and 2.x before 2.0.6 allows an attacker inside of an unprivileged container to use an inherited file descriptor, of the host's /proc, to access the rest of the host's filesystem via the openat() family of syscalls.

Published: 2017-05-01Modified: 2026-06-16

CVSS 2.0CRITICAL 9.0

CVSS:2.0/AV:N/AC:L/Au:S/C:C/I:C/A:C

CVSS 3.xCRITICAL 9.1

CVSS:3.x/CVSS:3.0/AV:N/AC:L/PR:H/UI:N/S:C/C:H/I:H/A:H

References

LOW3.3

lxc-user-nic in Linux Containers (LXC) allows local users with a lxc-usernet allocation to create network interfaces on the host and choose the name of those interfaces by leveraging lack of netns ownership check.

Published: 2017-03-14Modified: 2026-06-16

CVSS 2.0LOW 2.1

CVSS:2.0/AV:L/AC:L/Au:N/C:N/I:P/A:N

CVSS 3.xLOW 3.3

CVSS:3.x/CVSS:3.0/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:L/A:N

References