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CVE-2016-7994

6.0 · MEDIUM

Memory leak in the virtio_gpu_resource_create_2d function in hw/display/virtio-gpu.c in QEMU (aka Quick Emulator) allows local guest OS administrators to cause a denial of service (memory consumpti…

Published Dec 10, 2016CWE-772EPSS 0.39%

Overview

CVE-2016-7994 is a medium-severity vulnerability. It was published on December 10, 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

Memory leak in the virtio_gpu_resource_create_2d function in hw/display/virtio-gpu.c in QEMU (aka Quick Emulator) allows local guest OS administrators to cause a denial of service (memory consumption) via a large number of VIRTIO_GPU_CMD_RESOURCE_CREATE_2D commands.

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/2016/10/07/2Refwww.openwall.com/lists/oss-security/2016/10/08/3Refwww.securityfocus.com/bid/93453Reflists.gnu.org/archive/html/qemu-devel/2016-09/msg04083.htmlRefsecurity.gentoo.org/glsa/201611-11Reflists.opensuse.org/opensuse-updates/2016-12/msg00140.htmlRefwww.openwall.com/lists/oss-security/2016/10/07/2Refwww.openwall.com/lists/oss-security/2016/10/08/3Refwww.securityfocus.com/bid/93453

How CyberStrike helps

Frequently asked questions

What is CVE-2016-7994?

CVE-2016-7994 is a medium-severity vulnerability. It was published on December 10, 2016 and has a CVSS 3.1 base score of 6.0 (MEDIUM).

How severe is CVE-2016-7994?

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-2016-7994?

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-2016-7994?

CyberStrike is an open-source, AI-augmented pentesting engine. Rather than flag a version number, it tests whether an issue like CVE-2016-7994 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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