CVE-2018-12904
4.9 · MEDIUMOverview
CVE-2018-12904 is a medium-severity vulnerability affecting linux linux_kernel. It was published on June 27, 2018 and has a CVSS 3.0 base score of 4.9 (MEDIUM).
This vulnerability has a CVSS 3.0 base score of 4.9, rated MEDIUM. It requires local or adjacent network access to exploit. No authentication or special privileges are required for exploitation.
Technical Description
In arch/x86/kvm/vmx.c in the Linux kernel before 4.17.2, when nested virtualization is used, local attackers could cause L1 KVM guests to VMEXIT, potentially allowing privilege escalations and denial of service attacks due to lack of checking of CPL.
Remediation
Check the references section for vendor advisories and patches from linux. Update linux_kernel 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 |
|---|---|---|---|
| linux | linux_kernel | >= 0, < 4.17.2 | Affected |
References
Frequently Asked Questions
What is CVE-2018-12904?
CVE-2018-12904 is a medium-severity vulnerability affecting linux linux_kernel. It was published on June 27, 2018 and has a CVSS 3.0 base score of 4.9 (MEDIUM).
How severe is CVE-2018-12904?
This vulnerability has a CVSS 3.0 base score of 4.9, 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-2018-12904?
Check the references section for vendor advisories and patches from linux. Update linux_kernel 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-2018-12904?
CyberStrike's AI-powered security agents can automatically detect CVE-2018-12904 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
AI agents map your attack surface to find vulnerabilities like this one.
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