CVE-2015-3170
5.5 · MEDIUMOverview
CVE-2015-3170 is a medium-severity vulnerability affecting selinux_project selinux. It was published on July 21, 2017 and has a CVSS 3.0 base score of 5.5 (MEDIUM).
This vulnerability has a CVSS 3.0 base score of 5.5, rated MEDIUM. It requires local or adjacent network access to exploit. Some level of privileges is required for exploitation.
Technical Description
selinux-policy when sysctl fs.protected_hardlinks are set to 0 allows local users to cause a denial of service (SSH login prevention) by creating a hardlink to /etc/passwd from a directory named .config, and updating selinux-policy.
Remediation
Check the references section for vendor advisories and patches from selinux_project. Update selinux 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
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Frequently Asked Questions
What is CVE-2015-3170?
CVE-2015-3170 is a medium-severity vulnerability affecting selinux_project selinux. It was published on July 21, 2017 and has a CVSS 3.0 base score of 5.5 (MEDIUM).
How severe is CVE-2015-3170?
This vulnerability has a CVSS 3.0 base score of 5.5, rated MEDIUM. It requires local or adjacent network access to exploit. Some level of privileges is required for exploitation.
How do I fix or remediate CVE-2015-3170?
Check the references section for vendor advisories and patches from selinux_project. Update selinux 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-2015-3170?
CyberStrike's AI-powered security agents can automatically detect CVE-2015-3170 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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