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CVE-2017-5973

5.5 · MEDIUM

The xhci_kick_epctx function in hw/usb/hcd-xhci.c in QEMU (aka Quick Emulator) allows local guest OS privileged users to cause a denial of service (infinite loop and QEMU process crash) via vectors…

Published Mar 27, 2017CWE-835EPSS 0.46%

Overview

CVE-2017-5973 is a medium-severity vulnerability. It was published on March 27, 2017 and has a CVSS 3.1 base score of 5.5 (MEDIUM).

This vulnerability has a CVSS 3.1 base score of 5.5, rated MEDIUM. It requires local or adjacent network access to exploit. Some level of privileges is required for exploitation.

Technical description

The xhci_kick_epctx function in hw/usb/hcd-xhci.c in QEMU (aka Quick Emulator) allows local guest OS privileged users to cause a denial of service (infinite loop and QEMU process crash) via vectors related to control transfer descriptor sequence.

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-project.org/?p=qemu.git%3Ba=commit%3Bh=f89b60f6e5fee3923bedf80e82b4e5efc1bb156bRefwww.openwall.com/lists/oss-security/2017/02/13/11Refwww.securityfocus.com/bid/96220Refaccess.redhat.com/errata/RHSA-2017:2392Refaccess.redhat.com/errata/RHSA-2017:2408Refbugzilla.redhat.com/show_bug.cgi?id=1421626Reflists.debian.org/debian-lts-announce/2018/09/msg00007.htmlReflists.gnu.org/archive/html/qemu-devel/2017-02/msg01101.htmlRefsecurity.gentoo.org/glsa/201704-01Refgit.qemu-project.org/?p=qemu.git%3Ba=commit%3Bh=f89b60f6e5fee3923bedf80e82b4e5efc1bb156b

How CyberStrike helps

Frequently asked questions

What is CVE-2017-5973?

CVE-2017-5973 is a medium-severity vulnerability. It was published on March 27, 2017 and has a CVSS 3.1 base score of 5.5 (MEDIUM).

How severe is CVE-2017-5973?

This vulnerability has a CVSS 3.1 base score of 5.5, 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-2017-5973?

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-2017-5973?

CyberStrike is an open-source, AI-augmented pentesting engine. Rather than flag a version number, it tests whether an issue like CVE-2017-5973 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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