Predictive Vulnerability Intelligence.

Product

  • Product
  • Pricing
  • Documentation

Company

  • About
  • Partnerships
  • Blog
  • Support

Legal

  • Terms
  • Privacy
  • Data Licensing

© 2026 FAUCET Technologies LLC. All rights reserved.

CVE-2016-8649

23
FAUCET Score

CVE-2016-8649 describes a critical vulnerability in LXC versions prior to 1.0.9 and 2.0.6, where an unprivileged container can leverage an inherited file descriptor to gain unauthorized access to the host's filesystem. With a CVSS score of 9.1 (CRITICAL), this flaw allows an attacker to achieve high confidentiality, integrity, and availability impacts on the host system. Despite its severity, there is no evidence of active exploitation, public exploit code (Metasploit, Nuclei, ExploitDB), or significant community discussion or media coverage surrounding this CVE.

Impacted Technologies

VendorProductVersion(s)CPE
< 1.0.9CPE matchmatch criteria
cpe:2.3:a:linuxcontainers:lxc:*:*:*:*:*:*:*:*
>= 2.0.0, < 2.0.6CPE matchmatch criteria
cpe:2.3:a:linuxcontainers:lxc:*:*:*:*:*:*:*:*

CVSS Data

CVSS version used by this source: 3.0

9.1CRITICAL

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

Attack Vector
NETWORK
Attack Complexity
LOW
Privileges Required
HIGH
User Interaction
NONE
Scope
CHANGED
Confidentiality Impact
HIGH
Integrity Impact
HIGH
Availability Impact
HIGH
Exploitability Score
2.3
Impact Score
6.0
CvssVersion
3.0

Exploit Intelligence

EPSS Score
2.81%
Probability of exploitation in next 30 days
EPSS Percentile
85.0%
Percentile rank of EPSS score among Peer Group
As of 2026-07-24
Model: v2026.06.15
This CVE's current EPSS score of 0.0281 is in the 85th percentile among its peer group of 462 CVEs.

Social Chatter

No social media mentions found for this CVE.

The average CVE in this peer group has 0.0 Twitter, 0.1 Reddit, 0.7 Bluesky, 0.4 Mastodon, and 1.7 GitHub mentions.

Media Mentions

No media coverage found for this CVE.

The average CVE in this peer group has 0.4 InfoSec Media, 0.0 Vendor Blog, and 0.0 Security Researcher mentions.

Remediation

Patch Available

Vendor Patches (2)

github_advisorypatch availablevia nvd_reference
View patch
redhatpatch availablevia nvd_reference
View patch

References

bugs.debian.org / cgi-bin/bugreport.cgi
Third Party Advisory
bugs.launchpad.net / ubuntu/+source/lxc/+bug/1639345
Third Party Advisory
bugzilla.redhat.com / show_bug.cgi
Issue TrackingPatch
github.com / lxc/lxc/commit/81f466d05f2a89cb4f122ef7f593ff3f279b165c
PatchVendor Advisory
security-tracker.debian.org / tracker/CVE-2016-8649
Third Party AdvisoryVDB Entry
securityfocus.com / bid/94498
Third Party AdvisoryVDB Entry