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CVE-2014-1896

4.9 · MEDIUM

The (1) do_send and (2) do_recv functions in io.c in libvchan in Xen 4.2.x, 4.3.x, and 4.4-RC series allows local guests to cause a denial of service or possibly gain privileges via crafted xenstor…

Published Apr 1, 2014xenCWE-20EPSS 0.54%

Overview

CVE-2014-1896 is a medium-severity vulnerability affecting xen xen. It was published on April 1, 2014 and has a CVSS 2.0 base score of 4.9 (MEDIUM).

This vulnerability has a CVSS 2.0 base score of 4.9, rated MEDIUM. It requires local or adjacent network access to exploit. Some level of privileges is required for exploitation.

Technical description

The (1) do_send and (2) do_recv functions in io.c in libvchan in Xen 4.2.x, 4.3.x, and 4.4-RC series allows local guests to cause a denial of service or possibly gain privileges via crafted xenstore ring indexes, which triggers a "read or write past the end of the ring."

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/msg00011.htmlRefsecurity.gentoo.org/glsa/glsa-201407-03.xmlRefwww.openwall.com/lists/oss-security/2014/02/07/12Refwww.openwall.com/lists/oss-security/2014/02/10/7Refxenbits.xen.org/xsa/advisory-86.htmlRefxenbits.xen.org/xsa/xsa86.patchReflists.opensuse.org/opensuse-security-announce/2014-03/msg00011.htmlRefsecurity.gentoo.org/glsa/glsa-201407-03.xmlRefwww.openwall.com/lists/oss-security/2014/02/07/12Refwww.openwall.com/lists/oss-security/2014/02/10/7

How CyberStrike helps

Frequently asked questions

What is CVE-2014-1896?

CVE-2014-1896 is a medium-severity vulnerability affecting xen xen. It was published on April 1, 2014 and has a CVSS 2.0 base score of 4.9 (MEDIUM).

How severe is CVE-2014-1896?

This vulnerability has a CVSS 2.0 base score of 4.9, 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-2014-1896?

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-2014-1896?

CyberStrike is an open-source, AI-augmented pentesting engine. Rather than flag a version number, it tests whether an issue like CVE-2014-1896 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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