Vulnerability Description
The ohci_bus_start function in the USB OHCI emulation support (hw/usb/hcd-ohci.c) in QEMU allows local guest OS administrators to cause a denial of service (NULL pointer dereference and QEMU process crash) via vectors related to multiple eof_timers.
CVSS Score
MEDIUM
Affected Products
| Vendor | Product | Versions |
|---|---|---|
| Qemu | Qemu | <= 2.5.1.1 |
| Canonical | Ubuntu Linux | 12.04 |
| Debian | Debian Linux | 8.0 |
Related Weaknesses (CWE)
References
- http://git.qemu.org/?p=qemu.git%3Ba=commit%3Bh=fa1298c2d623522eda7b4f1f721fcb935
- http://www.openwall.com/lists/oss-security/2016/02/16/2Mailing ListThird Party Advisory
- http://www.securityfocus.com/bid/83263Third Party AdvisoryVDB Entry
- http://www.ubuntu.com/usn/USN-2974-1Third Party Advisory
- https://bugzilla.redhat.com/show_bug.cgi?id=1304794Issue TrackingPatchThird Party Advisory
- https://lists.debian.org/debian-lts-announce/2018/11/msg00038.htmlMailing ListThird Party Advisory
- https://lists.gnu.org/archive/html/qemu-devel/2016-02/msg03374.htmlPatchThird Party Advisory
- http://git.qemu.org/?p=qemu.git%3Ba=commit%3Bh=fa1298c2d623522eda7b4f1f721fcb935
- http://www.openwall.com/lists/oss-security/2016/02/16/2Mailing ListThird Party Advisory
- http://www.securityfocus.com/bid/83263Third Party AdvisoryVDB Entry
- http://www.ubuntu.com/usn/USN-2974-1Third Party Advisory
- https://bugzilla.redhat.com/show_bug.cgi?id=1304794Issue TrackingPatchThird Party Advisory
- https://lists.debian.org/debian-lts-announce/2018/11/msg00038.htmlMailing ListThird Party Advisory
- https://lists.gnu.org/archive/html/qemu-devel/2016-02/msg03374.htmlPatchThird Party Advisory
FAQ
What is CVE-2016-2391?
CVE-2016-2391 is a vulnerability with a CVSS score of 5.0 (MEDIUM). The ohci_bus_start function in the USB OHCI emulation support (hw/usb/hcd-ohci.c) in QEMU allows local guest OS administrators to cause a denial of service (NULL pointer dereference and QEMU process c...
How severe is CVE-2016-2391?
CVE-2016-2391 has been rated MEDIUM with a CVSS base score of 5.0/10. Review the CVSS metrics above for detailed severity breakdown.
Is there a patch for CVE-2016-2391?
Check the references section above for vendor advisories and patch information. Affected products include: Qemu Qemu, Canonical Ubuntu Linux, Debian Debian Linux.