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CVE-2014-5148

4.6 · MEDIUM

Xen 4.4.x, when running on an ARM system and "handling an unknown system register access from 64-bit userspace," returns to an instruction of the trap handler for kernel space faults instead of an…

Published Oct 26, 2014xenCWE-119EPSS 0.40%

Overview

CVE-2014-5148 is a medium-severity vulnerability affecting xen xen. It was published on October 26, 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

Xen 4.4.x, when running on an ARM system and "handling an unknown system register access from 64-bit userspace," returns to an instruction of the trap handler for kernel space faults instead of an instruction that is associated with faults in 64-bit userspace, which allows local guest users to cause a denial of service (crash) and possibly gain privileges via a crafted process.

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

Refsecunia.com/advisories/59934Refwww.securityfocus.com/bid/69189Refwww.securitytracker.com/id/1030725Refxenbits.xenproject.org/xsa/advisory-103.htmlRefexchange.xforce.ibmcloud.com/vulnerabilities/95233Refsecunia.com/advisories/59934Refwww.securityfocus.com/bid/69189Refwww.securitytracker.com/id/1030725Refxenbits.xenproject.org/xsa/advisory-103.htmlRefexchange.xforce.ibmcloud.com/vulnerabilities/95233

How CyberStrike helps

Frequently asked questions

What is CVE-2014-5148?

CVE-2014-5148 is a medium-severity vulnerability affecting xen xen. It was published on October 26, 2014 and has a CVSS 2.0 base score of 4.6 (MEDIUM).

How severe is CVE-2014-5148?

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-2014-5148?

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-2014-5148?

CyberStrike is an open-source, AI-augmented pentesting engine. Rather than flag a version number, it tests whether an issue like CVE-2014-5148 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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