Vulnerability Description
The rocker_io_writel function in hw/net/rocker/rocker.c in QEMU (aka Quick Emulator) allows local guest OS administrators to cause a denial of service (out-of-bounds read and QEMU process crash) by leveraging failure to limit DMA buffer size.
CVSS Score
MEDIUM
Affected Products
| Vendor | Product | Versions |
|---|---|---|
| Qemu | Qemu | <= 2.7.1 |
| Opensuse | Leap | 42.2 |
Related Weaknesses (CWE)
References
- http://lists.opensuse.org/opensuse-updates/2016-12/msg00140.htmlMailing ListThird Party Advisory
- http://www.openwall.com/lists/oss-security/2016/10/14/8Mailing ListPatchThird Party Advisory
- http://www.openwall.com/lists/oss-security/2016/10/15/9Mailing ListThird Party Advisory
- http://www.securityfocus.com/bid/93566Third Party AdvisoryVDB Entry
- https://lists.gnu.org/archive/html/qemu-devel/2016-10/msg02501.htmlPatchThird Party Advisory
- https://security.gentoo.org/glsa/201611-11Third Party Advisory
- http://lists.opensuse.org/opensuse-updates/2016-12/msg00140.htmlMailing ListThird Party Advisory
- http://www.openwall.com/lists/oss-security/2016/10/14/8Mailing ListPatchThird Party Advisory
- http://www.openwall.com/lists/oss-security/2016/10/15/9Mailing ListThird Party Advisory
- http://www.securityfocus.com/bid/93566Third Party AdvisoryVDB Entry
- https://lists.gnu.org/archive/html/qemu-devel/2016-10/msg02501.htmlPatchThird Party Advisory
- https://security.gentoo.org/glsa/201611-11Third Party Advisory
FAQ
What is CVE-2016-8668?
CVE-2016-8668 is a vulnerability with a CVSS score of 6.0 (MEDIUM). The rocker_io_writel function in hw/net/rocker/rocker.c in QEMU (aka Quick Emulator) allows local guest OS administrators to cause a denial of service (out-of-bounds read and QEMU process crash) by le...
How severe is CVE-2016-8668?
CVE-2016-8668 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-2016-8668?
Check the references section above for vendor advisories and patch information. Affected products include: Qemu Qemu, Opensuse Leap.