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CVE-2014-1950

4.6 · MEDIUM

Use-after-free vulnerability in the xc_cpupool_getinfo function in Xen 4.1.x through 4.3.x, when using a multithreaded toolstack, does not properly handle a failure by the xc_cpumap_alloc function,…

Published Feb 14, 2014xenCWE-399EPSS 0.38%

Overview

CVE-2014-1950 is a medium-severity vulnerability affecting xen xen. It was published on February 14, 2014 and has a CVSS 2.0 base score of 4.6 (MEDIUM).

This vulnerability has a CVSS 2.0 base score of 4.6, rated MEDIUM. It requires local or adjacent network access to exploit. No authentication or special privileges are required for exploitation.

Technical description

Use-after-free vulnerability in the xc_cpupool_getinfo function in Xen 4.1.x through 4.3.x, when using a multithreaded toolstack, does not properly handle a failure by the xc_cpumap_alloc function, which allows local users with access to management functions to cause a denial of service (heap corruption) and possibly gain privileges via unspecified vectors.

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

References

Reflists.opensuse.org/opensuse-security-announce/2014-03/msg00010.htmlReflists.opensuse.org/opensuse-security-announce/2014-03/msg00011.htmlRefwww.debian.org/security/2014/dsa-3006Refwww.openwall.com/lists/oss-security/2014/02/12/17Refxenbits.xen.org/xsa/advisory-88.htmlReflists.opensuse.org/opensuse-security-announce/2014-03/msg00010.htmlReflists.opensuse.org/opensuse-security-announce/2014-03/msg00011.htmlRefwww.debian.org/security/2014/dsa-3006Refwww.openwall.com/lists/oss-security/2014/02/12/17Refxenbits.xen.org/xsa/advisory-88.html

How CyberStrike helps

Frequently asked questions

What is CVE-2014-1950?

CVE-2014-1950 is a medium-severity vulnerability affecting xen xen. It was published on February 14, 2014 and has a CVSS 2.0 base score of 4.6 (MEDIUM).

How severe is CVE-2014-1950?

This vulnerability has a CVSS 2.0 base score of 4.6, 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-2014-1950?

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-2014-1950?

CyberStrike is an open-source, AI-augmented pentesting engine. Rather than flag a version number, it tests whether an issue like CVE-2014-1950 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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