Home/CVE/The ehci_advance_state function in hw/usb/hcd-ehci.c in QEMU allows local guest OS administrators to cause a denial of s
CVE

CVE-2016-4037

The ehci_advance_state function in hw/usb/hcd-ehci.c in QEMU allows local guest OS administrators to cause a denial of s

The ehci_advance_state function in hw/usb/hcd-ehci.c in QEMU allows local guest OS administrators to cause a denial of service (infinite loop and CPU consumption) via a circular split isochronous transfer descriptor (siTD) list, a related issue to CVE-2015-8558.

MEDIUM · CVSS 6 EPSS 0.00093
Monitor
  • No active-exploitation, high-EPSS, or public-exploit signals - routine patching cadence
Sigma rules1 YARA rules0
⬡

Weakness Classification

CWE-400Uncontrolled Resource Consumption
▤

Affected Products & Versions

5
fedoraproject fedoraall versions
canonical ubuntu linuxall versions
qemu<= 2.5.1
qemuall versions
debian linuxall versions
◈

Sigma Hunt Rules

1
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
▣

Scoring & Timeline

6
MEDIUM · CVSS v3.1 · secalert@redhat.com
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 NVD23 May 2016 · 07:59 PM
CVSS VectorCVSS:3.1/AV:L/AC:L/PR:H/UI:N/S:C/C:N/I:N/A:H
⚑

Vendor Advisories

8
suse-csafSUSE-SU-2016:2533-1
suse-csafSUSE-SU-2016:2100-1
suse-csafSUSE-SU-2016:2093-1
suse-csafSUSE-SU-2016:1785-1
suse-csafSUSE-SU-2016:1703-1
🔗

References & Sources

11
Source URLs (vendor pages, mailing lists, write-ups). Exploit/PoC links are in their own section above to avoid duplication.
http://git.qemu.org/?p=qemu.git
http://lists.fedoraproject.org/pipermail/package-announce/2016-April/183275.htmlMailing ListThird Party Advisory
http://lists.fedoraproject.org/pipermail/package-announce/2016-May/183350.htmlMailing ListThird Party Advisory
http://lists.fedoraproject.org/pipermail/package-announce/2016-May/184209.htmlMailing ListThird Party Advisory
http://www.openwall.com/lists/oss-security/2016/04/18/3Mailing List
http://www.openwall.com/lists/oss-security/2016/04/18/6Mailing List
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