CVE-2016-4037
MEDIUM severity · CVSS 6 · Uncontrolled resource consumption
6CVSS MEDIUM
Summary
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.
Impact & exploitability
Attack vectorLocal
Attack complexityLow
Privileges requiredHigh
User interactionNone
Confidentiality impactNone
Integrity impactNone
Availability impactHigh
Exploit probability (EPSS)0%
CVSS:3.1/AV:L/AC:L/PR:H/UI:N/S:C/C:N/I:N/A:H
Affected products we track (1)
Recommendation
Apply the vendor fix in your normal patch cycle. Open any affected product above for its exact safe version.
Additional information
- NVD record
- http://git.qemu.org/?p=qemu.git%3Ba=commit%3Bh=1ae3f2f178087711f9591350abad133525ba93f2
- http://lists.fedoraproject.org/pipermail/package-announce/2016-April/183275.htmlAdvisory
- http://lists.fedoraproject.org/pipermail/package-announce/2016-May/183350.htmlAdvisory
- http://lists.fedoraproject.org/pipermail/package-announce/2016-May/184209.htmlAdvisory
- http://www.openwall.com/lists/oss-security/2016/04/18/3
- http://www.openwall.com/lists/oss-security/2016/04/18/6
- http://www.securityfocus.com/bid/86283Advisory
- http://www.ubuntu.com/usn/USN-2974-1Advisory