CVE-2016-8649

Name: CVE-2016-8649
Creator: NVD / NIST
Published: 2017-05-01T06:59:00.157+00:00
License: https://creativecommons.org/publicdomain/zero/1.0/

UnknownEPSS 2.81%

Last modified Jun 17, 2026

CVE-2016-8649 is a vulnerability of currently unknown severity. 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.. EPSS estimates a 2.81% chance of exploitation in the next 30 days.

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.

Metrics

EPSS Probability

2.81%

84.7th percentile

Probability of exploitation in the next 30 days. Learn more

Weakness Enumeration

CWE-264

Affected Software

Vendor	Product	Versions
Linuxcontainers	Lxc	< 1.0.9
Linuxcontainers	Lxc	>= 2.0.0, < 2.0.6

References

http://www.securityfocus.com/bid/94498Third Party Advisory, VDB Entry
https://bugs.debian.org/cgi-bin/bugreport.cgi?bug=845465Third Party Advisory
https://bugs.launchpad.net/ubuntu/+source/lxc/+bug/1639345Third Party Advisory
https://bugzilla.redhat.com/show_bug.cgi?id=1398242Issue Tracking, Patch
https://github.com/lxc/lxc/commit/81f466d05f2a89cb4f122ef7f593ff3f279b165cPatch, Vendor Advisory
https://security-tracker.debian.org/tracker/CVE-2016-8649Third Party Advisory, VDB Entry
http://www.securityfocus.com/bid/94498Third Party Advisory, VDB Entry
https://bugs.debian.org/cgi-bin/bugreport.cgi?bug=845465Third Party Advisory
https://bugs.launchpad.net/ubuntu/+source/lxc/+bug/1639345Third Party Advisory
https://bugzilla.redhat.com/show_bug.cgi?id=1398242Issue Tracking, Patch
https://github.com/lxc/lxc/commit/81f466d05f2a89cb4f122ef7f593ff3f279b165cPatch, Vendor Advisory
https://security-tracker.debian.org/tracker/CVE-2016-8649Third Party Advisory, VDB Entry

Timeline

Published: May 1, 2017
Last Modified: Jun 17, 2026
Status: Modified

Frequently Asked Questions

What is CVE-2016-8649?

How severe is CVE-2016-8649?

Severity scoring for CVE-2016-8649 is pending analysis. The EPSS model estimates a 2.81% probability of exploitation in the next 30 days.

How do I fix CVE-2016-8649?

Check the vendor references and advisories linked above for patched versions and mitigation guidance. You can also run a Strix scan to test if your systems are affected.

Are you affected by CVE-2016-8649?

Run a free Strix scan to check your systems for this vulnerability.

Scan your code now

Source: NVD / NIST