Vulnerability Description
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.
CVSS Score
MEDIUM
Affected Products
| Vendor | Product | Versions |
|---|---|---|
| Fedoraproject | Fedora | 22 |
| Canonical | Ubuntu Linux | 12.04 |
| Qemu | Qemu | <= 2.5.1 |
| Debian | Debian Linux | 8.0 |
Related Weaknesses (CWE)
References
- http://git.qemu.org/?p=qemu.git%3Ba=commit%3Bh=1ae3f2f178087711f9591350abad13352
- 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
- http://www.securityfocus.com/bid/86283Third Party AdvisoryVDB Entry
- http://www.ubuntu.com/usn/USN-2974-1Third Party Advisory
- https://lists.debian.org/debian-lts-announce/2018/11/msg00038.htmlMailing ListThird Party Advisory
- https://lists.gnu.org/archive/html/qemu-devel/2016-04/msg02691.htmlMailing ListPatchVendor Advisory
- https://lists.gnu.org/archive/html/qemu-devel/2016-04/msg02734.htmlMailing ListVendor Advisory
- http://git.qemu.org/?p=qemu.git%3Ba=commit%3Bh=1ae3f2f178087711f9591350abad13352
- 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
FAQ
What is CVE-2016-4037?
CVE-2016-4037 is a vulnerability with a CVSS score of 6.0 (MEDIUM). 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 tran...
How severe is CVE-2016-4037?
CVE-2016-4037 has been rated MEDIUM with a CVSS base score of 6.0/10. Review the CVSS metrics above for detailed severity breakdown.
Is there a patch for CVE-2016-4037?
Check the references section above for vendor advisories and patch information. Affected products include: Fedoraproject Fedora, Canonical Ubuntu Linux, Qemu Qemu, Debian Debian Linux.