Vulnerability Description
QEMU (aka Quick Emulator) built with the Virtio GPU Device emulator support is vulnerable to a memory leakage issue. It could occur while updating the cursor data in update_cursor_data_virgl. A guest user/process could use this flaw to leak host memory bytes, resulting in DoS for a host.
CVSS Score
MEDIUM
Affected Products
| Vendor | Product | Versions |
|---|---|---|
| Qemu | Qemu | <= 2.7.1 |
Related Weaknesses (CWE)
References
- http://www.openwall.com/lists/oss-security/2016/12/05/18Mailing ListThird Party Advisory
- http://www.openwall.com/lists/oss-security/2016/12/05/23Mailing ListThird Party Advisory
- http://www.securityfocus.com/bid/94765Third Party AdvisoryVDB Entry
- https://lists.gnu.org/archive/html/qemu-devel/2016-11/msg00029.htmlPatchVendor Advisory
- https://security.gentoo.org/glsa/201701-49Third Party Advisory
- http://www.openwall.com/lists/oss-security/2016/12/05/18Mailing ListThird Party Advisory
- http://www.openwall.com/lists/oss-security/2016/12/05/23Mailing ListThird Party Advisory
- http://www.securityfocus.com/bid/94765Third Party AdvisoryVDB Entry
- https://lists.gnu.org/archive/html/qemu-devel/2016-11/msg00029.htmlPatchVendor Advisory
- https://security.gentoo.org/glsa/201701-49Third Party Advisory
FAQ
What is CVE-2016-9846?
CVE-2016-9846 is a vulnerability with a CVSS score of 6.5 (MEDIUM). QEMU (aka Quick Emulator) built with the Virtio GPU Device emulator support is vulnerable to a memory leakage issue. It could occur while updating the cursor data in update_cursor_data_virgl. A guest ...
How severe is CVE-2016-9846?
CVE-2016-9846 has been rated MEDIUM with a CVSS base score of 6.5/10. Review the CVSS metrics above for detailed severity breakdown.
Is there a patch for CVE-2016-9846?
Check the references section above for vendor advisories and patch information. Affected products include: Qemu Qemu.