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CVE-2014-9718

4.9 · MEDIUM

The (1) BMDMA and (2) AHCI HBA interfaces in the IDE functionality in QEMU 1.0 through 2.1.3 have multiple interpretations of a function's return value, which allows guest OS users to cause a host…

Published Apr 21, 2015debianCWE-399EPSS 0.41%

Overview

CVE-2014-9718 is a medium-severity vulnerability affecting debian debian_linux. It was published on April 21, 2015 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. No authentication or special privileges are required for exploitation.

Technical description

The (1) BMDMA and (2) AHCI HBA interfaces in the IDE functionality in QEMU 1.0 through 2.1.3 have multiple interpretations of a function's return value, which allows guest OS users to cause a host OS denial of service (memory consumption or infinite loop, and system crash) via a PRDT with zero complete sectors, related to the bmdma_prepare_buf and ahci_dma_prepare_buf functions.

Remediation

Check the references section for vendor advisories and patches from debian. Update debian_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

Refgit.qemu.org/?p=qemu.git%3Ba=commit%3Bh=3251bdcf1c67427d964517053c3d185b46e618e8Refopenwall.com/lists/oss-security/2015/04/20/7Refwww.debian.org/security/2015/dsa-3259Refwww.securityfocus.com/bid/73316Refgit.qemu.org/?p=qemu.git%3Ba=commit%3Bh=3251bdcf1c67427d964517053c3d185b46e618e8Refopenwall.com/lists/oss-security/2015/04/20/7Refwww.debian.org/security/2015/dsa-3259Refwww.securityfocus.com/bid/73316

How CyberStrike helps

Frequently asked questions

What is CVE-2014-9718?

CVE-2014-9718 is a medium-severity vulnerability affecting debian debian_linux. It was published on April 21, 2015 and has a CVSS 2.0 base score of 4.9 (MEDIUM).

How severe is CVE-2014-9718?

This vulnerability has a CVSS 2.0 base score of 4.9, 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-2014-9718?

Check the references section for vendor advisories and patches from debian. Update debian_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-2014-9718?

CyberStrike is an open-source, AI-augmented pentesting engine. Rather than flag a version number, it tests whether an issue like CVE-2014-9718 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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