CVE-2021-36087
3.3 · LOWOverview
CVE-2021-36087 is a low-severity vulnerability affecting selinux_project selinux. It was published on July 1, 2021 and has a CVSS 3.1 base score of 3.3 (LOW).
This vulnerability has a CVSS 3.1 base score of 3.3, rated LOW. It requires local or adjacent network access to exploit. Some level of privileges is required for exploitation.
Technical Description
The CIL compiler in SELinux 3.2 has a heap-based buffer over-read in ebitmap_match_any (called indirectly from cil_check_neverallow). This occurs because there is sometimes a lack of checks for invalid statements in an optional block.
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
| Vendor | Product | Versions | Status |
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References
Frequently Asked Questions
What is CVE-2021-36087?
CVE-2021-36087 is a low-severity vulnerability affecting selinux_project selinux. It was published on July 1, 2021 and has a CVSS 3.1 base score of 3.3 (LOW).
How severe is CVE-2021-36087?
This vulnerability has a CVSS 3.1 base score of 3.3, rated LOW. It requires local or adjacent network access to exploit. Some level of privileges is required for exploitation.
How do I fix or remediate CVE-2021-36087?
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-2021-36087?
CyberStrike's AI-powered security agents can automatically detect CVE-2021-36087 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.
How CyberStrike Helps
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