Out-of-Bounds The advisory has been revoked - it doesn't affect any version of package qemu (opens in a new tab)
Threat Intelligence
The probability is the direct output of the EPSS model, and conveys an overall sense of the threat of exploitation in the wild. The percentile measures the EPSS probability relative to all known EPSS scores. Note: This data is updated daily, relying on the latest available EPSS model version. Check out the EPSS documentation for more details.
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Test your applications- Snyk IDSNYK-UBUNTU1704-QEMU-619032
- published29 Dec 2016
- disclosed29 Dec 2016
Introduced: 29 Dec 2016
CVE-2016-9846 (opens in a new tab)Amendment
The Ubuntu security team deemed this advisory irrelevant for Ubuntu:17.04.
NVD Description
Note: Versions mentioned in the description apply only to the upstream qemu package and not the qemu package as distributed by Ubuntu.
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.
References
- http://people.ubuntu.com/~ubuntu-security/cve/CVE-2016-9846
- https://security-tracker.debian.org/tracker/CVE-2016-9846
- https://security.gentoo.org/glsa/201701-49
- https://lists.gnu.org/archive/html/qemu-devel/2016-11/msg00029.html
- http://www.openwall.com/lists/oss-security/2016/12/05/18
- http://www.openwall.com/lists/oss-security/2016/12/05/23
- http://www.securityfocus.com/bid/94765