CVE-2016-8649

9.1 CRITICAL
Published: May 01, 2017 Modified: May 13, 2026
View on NVD

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.

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CVSS v3.x Details

0.0 Low Medium High Critical 10.0
Vector String
CVSS:3.0/AV:N/AC:L/PR:H/UI:N/S:C/C:H/I:H/A:H

References to Advisories, Solutions, and Tools

Patch Vendor Advisory Exploit Third Party Advisory
http://www.securityfocus.com/bid/94498
Source: secalert@redhat.com
Third Party Advisory VDB Entry
https://bugs.debian.org/cgi-bin/bugreport.cgi?bug=845465
Source: secalert@redhat.com
Third Party Advisory
https://bugs.launchpad.net/ubuntu/+source/lxc/+bug/1639345
Source: secalert@redhat.com
Third Party Advisory
https://bugzilla.redhat.com/show_bug.cgi?id=1398242
Source: secalert@redhat.com
Issue Tracking Patch
https://security-tracker.debian.org/tracker/CVE-2016-8649
Source: secalert@redhat.com
Third Party Advisory VDB Entry
http://www.securityfocus.com/bid/94498
Source: af854a3a-2127-422b-91ae-364da2661108
Third Party Advisory VDB Entry
https://bugs.debian.org/cgi-bin/bugreport.cgi?bug=845465
Source: af854a3a-2127-422b-91ae-364da2661108
Third Party Advisory
https://bugs.launchpad.net/ubuntu/+source/lxc/+bug/1639345
Source: af854a3a-2127-422b-91ae-364da2661108
Third Party Advisory
https://bugzilla.redhat.com/show_bug.cgi?id=1398242
Source: af854a3a-2127-422b-91ae-364da2661108
Issue Tracking Patch
https://github.com/lxc/lxc/commit/81f466d05f2a89cb4f122ef7f593ff3f279b165c
Source: af854a3a-2127-422b-91ae-364da2661108
Patch Vendor Advisory
https://security-tracker.debian.org/tracker/CVE-2016-8649
Source: af854a3a-2127-422b-91ae-364da2661108
Third Party Advisory VDB Entry

12 reference(s) from NVD

Quick Stats

CVSS v3 Score
9.1 / 10.0
EPSS (Exploit Probability)
2.8%
85th percentile
Exploitation Status
Not in CISA KEV

Weaknesses (CWE)

Affected Vendors

linuxcontainers