Vulnerability Description
QEMU (aka Quick Emulator) built with the USB EHCI emulation support is vulnerable to a null pointer dereference flaw. It could occur when an application attempts to write to EHCI capabilities registers. A privileged user inside quest could use this flaw to crash the QEMU process instance resulting in DoS.
CVSS Score
MEDIUM
Affected Products
| Vendor | Product | Versions |
|---|---|---|
| Qemu | Qemu | <= 2.5.1.1 |
| Debian | Debian Linux | 8.0 |
Related Weaknesses (CWE)
References
- http://www.openwall.com/lists/oss-security/2016/01/29/6Mailing ListThird Party Advisory
- http://www.openwall.com/lists/oss-security/2016/01/30/2Mailing ListThird Party Advisory
- https://bugzilla.redhat.com/show_bug.cgi?id=1301643Issue TrackingThird Party Advisory
- https://lists.debian.org/debian-lts-announce/2018/09/msg00007.htmlThird Party Advisory
- https://lists.gnu.org/archive/html/qemu-devel/2016-01/msg05899.htmlPatchVendor Advisory
- https://security.gentoo.org/glsa/201604-01Third Party Advisory
- http://www.openwall.com/lists/oss-security/2016/01/29/6Mailing ListThird Party Advisory
- http://www.openwall.com/lists/oss-security/2016/01/30/2Mailing ListThird Party Advisory
- https://bugzilla.redhat.com/show_bug.cgi?id=1301643Issue TrackingThird Party Advisory
- https://lists.debian.org/debian-lts-announce/2018/09/msg00007.htmlThird Party Advisory
- https://lists.gnu.org/archive/html/qemu-devel/2016-01/msg05899.htmlPatchVendor Advisory
- https://security.gentoo.org/glsa/201604-01Third Party Advisory
FAQ
What is CVE-2016-2198?
CVE-2016-2198 is a vulnerability with a CVSS score of 5.5 (MEDIUM). QEMU (aka Quick Emulator) built with the USB EHCI emulation support is vulnerable to a null pointer dereference flaw. It could occur when an application attempts to write to EHCI capabilities register...
How severe is CVE-2016-2198?
CVE-2016-2198 has been rated MEDIUM with a CVSS base score of 5.5/10. Review the CVSS metrics above for detailed severity breakdown.
Is there a patch for CVE-2016-2198?
Check the references section above for vendor advisories and patch information. Affected products include: Qemu Qemu, Debian Debian Linux.