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CVE-2013-1935

5.7 · MEDIUM

A certain Red Hat patch to the KVM subsystem in the kernel package before 2.6.32-358.11.1.el6 on Red Hat Enterprise Linux (RHEL) 6 does not properly implement the PV EOI feature, which allows guest…

Published Jul 16, 2013redhatCWE-362EPSS 0.49%

Overview

CVE-2013-1935 is a medium-severity vulnerability affecting redhat enterprise_linux. It was published on July 16, 2013 and has a CVSS 2.0 base score of 5.7 (MEDIUM).

This vulnerability has a CVSS 2.0 base score of 5.7, rated MEDIUM. It requires local or adjacent network access to exploit. No authentication or special privileges are required for exploitation.

Technical description

A certain Red Hat patch to the KVM subsystem in the kernel package before 2.6.32-358.11.1.el6 on Red Hat Enterprise Linux (RHEL) 6 does not properly implement the PV EOI feature, which allows guest OS users to cause a denial of service (host OS crash) by leveraging a time window during which interrupts are disabled but copy_to_user function calls are possible.

Remediation

Check the references section for vendor advisories and patches from redhat. Update enterprise_linux 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

VendorProductVersionsStatus

References

Refrhn.redhat.com/errata/RHSA-2013-0911.htmlRefbugzilla.redhat.com/show_bug.cgi?id=949981Refrhn.redhat.com/errata/RHSA-2013-0907.htmlRefrhn.redhat.com/errata/RHSA-2013-0911.htmlRefbugzilla.redhat.com/show_bug.cgi?id=949981Refrhn.redhat.com/errata/RHSA-2013-0907.html

How CyberStrike helps

Frequently asked questions

What is CVE-2013-1935?

CVE-2013-1935 is a medium-severity vulnerability affecting redhat enterprise_linux. It was published on July 16, 2013 and has a CVSS 2.0 base score of 5.7 (MEDIUM).

How severe is CVE-2013-1935?

This vulnerability has a CVSS 2.0 base score of 5.7, 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-2013-1935?

Check the references section for vendor advisories and patches from redhat. Update enterprise_linux 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-2013-1935?

CyberStrike is an open-source, AI-augmented pentesting engine. Rather than flag a version number, it tests whether an issue like CVE-2013-1935 is actually reachable in your own applications and APIs, then verifies each finding before reporting it. That tells you if the weakness is a real, exploitable risk in your environment or a false positive you can safely deprioritize.

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