CVE-2013-2239
4.7 · MEDIUMOverview
CVE-2013-2239 is a medium-severity vulnerability affecting openvz vzkernel. It was published on November 12, 2013 and has a CVSS 2.0 base score of 4.7 (MEDIUM).
This vulnerability has a CVSS 2.0 base score of 4.7, rated MEDIUM. It requires local or adjacent network access to exploit. No authentication or special privileges are required for exploitation.
Technical Description
vzkernel before 042stab080.2 in the OpenVZ modification for the Linux kernel 2.6.32 does not initialize certain length variables, which allows local users to obtain sensitive information from kernel stack memory via (1) a crafted ploop driver ioctl call, related to the ploop_getdevice_ioc function in drivers/block/ploop/dev.c, or (2) a crafted quotactl system call, related to the compat_quotactl function in fs/quota/quota.c.
Remediation
Check the references section for vendor advisories and patches from openvz. Update vzkernel 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 |
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References
Frequently Asked Questions
What is CVE-2013-2239?
CVE-2013-2239 is a medium-severity vulnerability affecting openvz vzkernel. It was published on November 12, 2013 and has a CVSS 2.0 base score of 4.7 (MEDIUM).
How severe is CVE-2013-2239?
This vulnerability has a CVSS 2.0 base score of 4.7, rated MEDIUM. It requires local or adjacent network access to exploit. No authentication or special privileges are required for exploitation.
How do I fix or remediate CVE-2013-2239?
Check the references section for vendor advisories and patches from openvz. Update vzkernel 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-2013-2239?
CyberStrike's AI-powered security agents can automatically detect CVE-2013-2239 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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