Vulnerability Description
An OOB heap buffer r/w access issue was found in the NVM Express Controller emulation in QEMU. It could occur in nvme_cmb_ops routines in nvme device. A guest user/process could use this flaw to crash the QEMU process resulting in DoS or potentially run arbitrary code with privileges of the QEMU process.
CVSS Score
HIGH
Affected Products
| Vendor | Product | Versions |
|---|---|---|
| Qemu | Qemu | <= 3.0.0 |
| Canonical | Ubuntu Linux | 14.04 |
Related Weaknesses (CWE)
References
- http://www.securityfocus.com/bid/105866Third Party AdvisoryVDB Entry
- https://bugzilla.redhat.com/show_bug.cgi?id=CVE-2018-16847Issue TrackingPatchThird Party Advisory
- https://lists.gnu.org/archive/html/qemu-devel/2018-11/msg00200.htmlMailing ListPatchThird Party Advisory
- https://usn.ubuntu.com/3826-1/Third Party Advisory
- https://www.openwall.com/lists/oss-security/2018/11/02/1Mailing ListPatchThird Party Advisory
- http://www.securityfocus.com/bid/105866Third Party AdvisoryVDB Entry
- https://bugzilla.redhat.com/show_bug.cgi?id=CVE-2018-16847Issue TrackingPatchThird Party Advisory
- https://lists.gnu.org/archive/html/qemu-devel/2018-11/msg00200.htmlMailing ListPatchThird Party Advisory
- https://usn.ubuntu.com/3826-1/Third Party Advisory
- https://www.openwall.com/lists/oss-security/2018/11/02/1Mailing ListPatchThird Party Advisory
FAQ
What is CVE-2018-16847?
CVE-2018-16847 is a vulnerability with a CVSS score of 7.8 (HIGH). An OOB heap buffer r/w access issue was found in the NVM Express Controller emulation in QEMU. It could occur in nvme_cmb_ops routines in nvme device. A guest user/process could use this flaw to crash...
How severe is CVE-2018-16847?
CVE-2018-16847 has been rated HIGH with a CVSS base score of 7.8/10. Review the CVSS metrics above for detailed severity breakdown.
Is there a patch for CVE-2018-16847?
Check the references section above for vendor advisories and patch information. Affected products include: Qemu Qemu, Canonical Ubuntu Linux.