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CVE-2014-9065

4.4 · MEDIUM

common/spinlock.c in Xen 4.4.x and earlier does not properly handle read and write locks, which allows local x86 guest users to cause a denial of service (write denial or NMI watchdog timeout and h…

Published Dec 9, 2014xenCWE-17EPSS 0.37%

Overview

CVE-2014-9065 is a medium-severity vulnerability affecting xen xen. It was published on December 9, 2014 and has a CVSS 2.0 base score of 4.4 (MEDIUM).

This vulnerability has a CVSS 2.0 base score of 4.4, rated MEDIUM. It requires local or adjacent network access to exploit. Some level of privileges is required for exploitation.

Technical description

common/spinlock.c in Xen 4.4.x and earlier does not properly handle read and write locks, which allows local x86 guest users to cause a denial of service (write denial or NMI watchdog timeout and host crash) via a large number of read requests, a different vulnerability to CVE-2014-9066.

Remediation

Check the references section for vendor advisories and patches from xen. Update xen 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
xenxen0Affected

References

Reflists.opensuse.org/opensuse-security-announce/2015-02/msg00005.htmlReflists.opensuse.org/opensuse-security-announce/2015-02/msg00010.htmlRefwww.openwall.com/lists/oss-security/2014/12/08/4Refwww.securityfocus.com/bid/71544Refxenbits.xen.org/xsa/advisory-114.htmlRefsecurity.gentoo.org/glsa/201504-04Reflists.opensuse.org/opensuse-security-announce/2015-02/msg00005.htmlReflists.opensuse.org/opensuse-security-announce/2015-02/msg00010.htmlRefwww.openwall.com/lists/oss-security/2014/12/08/4Refwww.securityfocus.com/bid/71544

How CyberStrike helps

Frequently asked questions

What is CVE-2014-9065?

CVE-2014-9065 is a medium-severity vulnerability affecting xen xen. It was published on December 9, 2014 and has a CVSS 2.0 base score of 4.4 (MEDIUM).

How severe is CVE-2014-9065?

This vulnerability has a CVSS 2.0 base score of 4.4, 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-2014-9065?

Check the references section for vendor advisories and patches from xen. Update xen 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-2014-9065?

CyberStrike is an open-source, AI-augmented pentesting engine. Rather than flag a version number, it tests whether an issue like CVE-2014-9065 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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