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CVE-2016-8668

6.0 · MEDIUM

The rocker_io_writel function in hw/net/rocker/rocker.c in QEMU (aka Quick Emulator) allows local guest OS administrators to cause a denial of service (out-of-bounds read and QEMU process crash) by…

Published Nov 4, 2016CWE-120EPSS 0.39%

Overview

CVE-2016-8668 is a medium-severity vulnerability. It was published on November 4, 2016 and has a CVSS 3.1 base score of 6.0 (MEDIUM).

This vulnerability has a CVSS 3.1 base score of 6.0, rated MEDIUM. It requires local or adjacent network access to exploit. Some level of privileges is required for exploitation.

Technical description

The rocker_io_writel function in hw/net/rocker/rocker.c in QEMU (aka Quick Emulator) allows local guest OS administrators to cause a denial of service (out-of-bounds read and QEMU process crash) by leveraging failure to limit DMA buffer size.

Remediation

Check the references section for vendor advisories, patches, and mitigation guidance. 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.

References

Reflists.opensuse.org/opensuse-updates/2016-12/msg00140.htmlRefwww.openwall.com/lists/oss-security/2016/10/14/8Refwww.openwall.com/lists/oss-security/2016/10/15/9Refwww.securityfocus.com/bid/93566Reflists.gnu.org/archive/html/qemu-devel/2016-10/msg02501.htmlRefsecurity.gentoo.org/glsa/201611-11Reflists.opensuse.org/opensuse-updates/2016-12/msg00140.htmlRefwww.openwall.com/lists/oss-security/2016/10/14/8Refwww.openwall.com/lists/oss-security/2016/10/15/9Refwww.securityfocus.com/bid/93566

How CyberStrike helps

Frequently asked questions

What is CVE-2016-8668?

CVE-2016-8668 is a medium-severity vulnerability. It was published on November 4, 2016 and has a CVSS 3.1 base score of 6.0 (MEDIUM).

How severe is CVE-2016-8668?

This vulnerability has a CVSS 3.1 base score of 6.0, 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-2016-8668?

Check the references section for vendor advisories, patches, and mitigation guidance. 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-2016-8668?

CyberStrike is an open-source, AI-augmented pentesting engine. Rather than flag a version number, it tests whether an issue like CVE-2016-8668 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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