Home/CVE/The xhci_kick_epctx function in hw/usb/hcd-xhci.c in QEMU (aka Quick Emulator) allows local guest OS privileged users to
CVE

CVE-2017-5973

The xhci_kick_epctx function in hw/usb/hcd-xhci.c in QEMU (aka Quick Emulator) allows local guest OS privileged users to

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.

MEDIUM · CVSS 5.5 EPSS 0.00095
Monitor
  • No active-exploitation, high-EPSS, or public-exploit signals - routine patching cadence
Sigma rules2 YARA rules0
⬡

Weakness Classification

CWE-835Loop with Unreachable Exit Condition ('Infinite Loop')
▤

Affected Products & Versions

4
qemu<= 2.8.1.1
debian linuxall versions
redhat openstackall versions
redhat virtualizationall versions
◈

Sigma Hunt Rules

2
Exact rules name this CVE ID. Product rules name an affected product in their title. Related rules cover techniques used by actors who exploited this CVE. Showing the most relevant matches; the complete related set is on the full drill-down.
productmediumPotentially Suspicious Usage Of Qemu
productmediumPowershell Detect Virtualization Environment
▣

Scoring & Timeline

5.5
MEDIUM · CVSS v3.1 · cve@mitre.org
View on NVD
Attack Vector
Network Adjacent Local Physical
Attack Complexity
Low High
Privileges Required
None Low High
User Interaction
None Required
Scope
Unchanged Changed
Confidentiality
None Low High
Integrity
None Low High
Availability
None Low High
Published to NVD27 Mar 2017 · 03:59 PM
CVSS VectorCVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H
⚑

Vendor Advisories

12
suse-csafopenSUSE-SU-2024:11287-1
suse-csafSUSE-SU-2017:3084-1
suse-csafSUSE-SU-2017:2963-1
suse-csafSUSE-SU-2017:2969-1
suse-csafSUSE-SU-2017:2946-1
🔗

References & Sources

7
Source URLs (vendor pages, mailing lists, write-ups). Exploit/PoC links are in their own section above to avoid duplication.
http://git.qemu-project.org/?p=qemu.git
http://www.openwall.com/lists/oss-security/2017/02/13/11Mailing ListPatchThird Party Advisory
http://www.securityfocus.com/bid/96220Third Party AdvisoryVDB Entry
https://bugzilla.redhat.com/show_bug.cgi?id=1421626Issue TrackingPatchThird Party Advisory
https://lists.debian.org/debian-lts-announce/2018/09/msg00007.htmlThird Party Advisory
https://lists.gnu.org/archive/html/qemu-devel/2017-02/msg01101.htmlPatchThird Party Advisory
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