CVE-2016-8649
9.1 · CRITICALOverview
CVE-2016-8649 is a critical-severity vulnerability affecting linuxcontainers lxc. It was published on May 1, 2017 and has a CVSS 3.0 base score of 9.1 (CRITICAL).
This vulnerability has a CVSS 3.0 base score of 9.1, rated CRITICAL. It can be exploited remotely over the network. Some level of privileges is required for exploitation.
Technical 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.
Remediation
Check the references section for vendor advisories and patches from linuxcontainers. Update lxc to the latest patched version. If immediate patching is not possible, review the CVSS vector to understand the attack surface and apply compensating controls such as network segmentation or access restrictions.
Affected Products
| Vendor | Product | Versions | Status |
|---|---|---|---|
| linuxcontainers | lxc | >= 0, < 1.0.9 | Affected |
References
Frequently Asked Questions
What is CVE-2016-8649?
CVE-2016-8649 is a critical-severity vulnerability affecting linuxcontainers lxc. It was published on May 1, 2017 and has a CVSS 3.0 base score of 9.1 (CRITICAL).
How severe is CVE-2016-8649?
This vulnerability has a CVSS 3.0 base score of 9.1, rated CRITICAL. It can be exploited remotely over the network. Some level of privileges is required for exploitation.
How do I fix or remediate CVE-2016-8649?
Check the references section for vendor advisories and patches from linuxcontainers. Update lxc to the latest patched version. If immediate patching is not possible, review the CVSS vector to understand the attack surface and apply compensating controls such as network segmentation or access restrictions.
How can CyberStrike help with CVE-2016-8649?
CyberStrike's AI-powered security agents can automatically detect CVE-2016-8649 across your infrastructure using autonomous pentesting, DAST scanning, and HackBrowser. The platform continuously monitors for known vulnerabilities and provides actionable remediation guidance prioritized by real-world exploitability.
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