Vulnerabilities / CVE-2016-8649

critical

CVE-2016-8649

lxc-attach in LXC before 1.0.9 and 2.x before 2.0.6 allows an attacker ...

Published Modified CWE 264
In the Trivy database since at least 24 Oct 2026, 07:11 UTCWhen it arrived before that build is not recorded.

Severity by source

NVD9.1CVSS:3.0/AV:N/AC:L/PR:H/UI:N/S:C/C:H/I:H/A:H

Trivy's own label is CRITICAL. Rated critical by NVD. Rated lower by Ubuntu (medium).

Description

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.

Affected packages and fixed versions

SourcePackageFixed in
debian 11lxc1:2.0.6-1
debian 12lxc1:2.0.6-1
debian 13lxc1:2.0.6-1
debian 14lxc1:2.0.6-1
debian 7lxcno fix listed
debian 8lxc1:1.0.6-6+deb8u5
echolxc1:2.0.6-1
ubuntu 14.04lxc1.0.8-0ubuntu0.4
ubuntu 14.04-ESMlxc1.0.8-0ubuntu0.4
ubuntu 16.04lxc2.0.5-0ubuntu1~ubuntu16.04.3
ubuntu 16.04-ESMlxc2.0.5-0ubuntu1~ubuntu16.04.3
ubuntu 16.10lxc2.0.5-0ubuntu1.2
Show all 13 entries from 13 sources
SourcePackageFixed in
debian 11lxc1:2.0.6-1
debian 12lxc1:2.0.6-1
debian 13lxc1:2.0.6-1
debian 14lxc1:2.0.6-1
debian 7lxcno fix listed
debian 8lxc1:1.0.6-6+deb8u5
echolxc1:2.0.6-1
ubuntu 14.04lxc1.0.8-0ubuntu0.4
ubuntu 14.04-ESMlxc1.0.8-0ubuntu0.4
ubuntu 16.04lxc2.0.5-0ubuntu1~ubuntu16.04.3
ubuntu 16.04-ESMlxc2.0.5-0ubuntu1~ubuntu16.04.3
ubuntu 16.10lxc2.0.5-0ubuntu1.2
ubuntu 17.04lxc2.0.5-0ubuntu4

References

Vulnerability data compiled from the Trivy vulnerability database (trivy-db, Aqua Security, Apache License 2.0), which aggregates third-party advisories. CVE records are published by The MITRE Corporation under the CVE Terms of Use; CVE is a trademark of MITRE. This product uses data from the NVD API but is not endorsed or certified by the NVD. Severity, titles and advisory data from the GitHub Advisory Database (CC BY 4.0), Red Hat security data (CC BY 4.0) and the other sources linked on each entry. Entries may be summarised or re-formatted; the linked original is the authoritative record.