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CVE-2016-2538

7.1 · HIGH

Multiple integer overflows in the USB Net device emulator (hw/usb/dev-network.c) in QEMU before 2.5.1 allow local guest OS administrators to cause a denial of service (QEMU process crash) or obtain…

Published Jun 16, 2016CWE-189EPSS 0.42%

Overview

CVE-2016-2538 is a high-severity vulnerability. It was published on June 16, 2016 and has a CVSS 3.0 base score of 7.1 (HIGH).

This vulnerability has a CVSS 3.0 base score of 7.1, rated HIGH. It requires local or adjacent network access to exploit. Some level of privileges is required for exploitation.

Technical description

Multiple integer overflows in the USB Net device emulator (hw/usb/dev-network.c) in QEMU before 2.5.1 allow local guest OS administrators to cause a denial of service (QEMU process crash) or obtain sensitive host memory information via a remote NDIS control message packet that is mishandled in the (1) rndis_query_response, (2) rndis_set_response, or (3) usb_net_handle_dataout function.

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

Refgit.qemu.org/?p=qemu.git%3Ba=commit%3Bh=fe3c546c5ff2a6210f9a4d8561cc64051ca8603eReflists.nongnu.org/archive/html/qemu-stable/2016-03/msg00064.htmlRefwww.openwall.com/lists/oss-security/2016/02/22/3Refwww.securityfocus.com/bid/83336Refwww.ubuntu.com/usn/USN-2974-1Refbugzilla.redhat.com/show_bug.cgi?id=1303120Reflists.debian.org/debian-lts-announce/2018/11/msg00038.htmlReflists.gnu.org/archive/html/qemu-devel/2016-02/msg03658.htmlRefsecurity.gentoo.org/glsa/201604-01Refgit.qemu.org/?p=qemu.git%3Ba=commit%3Bh=fe3c546c5ff2a6210f9a4d8561cc64051ca8603e

How CyberStrike helps

Frequently asked questions

What is CVE-2016-2538?

CVE-2016-2538 is a high-severity vulnerability. It was published on June 16, 2016 and has a CVSS 3.0 base score of 7.1 (HIGH).

How severe is CVE-2016-2538?

This vulnerability has a CVSS 3.0 base score of 7.1, rated HIGH. It requires local or adjacent network access to exploit. Some level of privileges is required for exploitation.

How do I fix or remediate CVE-2016-2538?

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-2016-2538?

CyberStrike is an open-source, AI-augmented pentesting engine. Rather than flag a version number, it tests whether an issue like CVE-2016-2538 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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