CVE-2016-8649
UnknownEPSS 2.81%
Last modified
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
Weakness Enumeration
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
- Last Modified
- Status
- Modified
Frequently Asked Questions
What is CVE-2016-8649?
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.
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.
How Strix Helps
- How Strix found a critical auth bypass in etcdStrix autonomously discovered a critical authentication bypass in etcd, later designated CVE-2026-33413.
- Autonomous PentestingAI agents that find and validate exploitable vulnerabilities like this one across your applications.
- PR ReviewsPentest every pull request so vulnerable code is caught before it ships to production.
- AI Penetration TestingHow AI-driven penetration testing continuously covers your attack surface.
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Are you affected by CVE-2016-8649?
Run a free Strix scan to check your systems for this vulnerability.
Scan your code nowSource: NVD / NIST