Out-of-Bounds Affecting qemu package, versions <1:2.8+dfsg-1
Snyk CVSS
Attack Complexity
Low
Scope
Changed
Availability
High
Threat Intelligence
EPSS
0.06% (25th
percentile)
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Test your applications- Snyk ID SNYK-DEBIANUNSTABLE-QEMU-428299
- published 29 Dec 2016
- disclosed 29 Dec 2016
Introduced: 29 Dec 2016
CVE-2016-9846 Open this link in a new tabHow to fix?
Upgrade Debian:unstable
qemu
to version 1:2.8+dfsg-1 or higher.
NVD Description
Note: Versions mentioned in the description apply only to the upstream qemu
package and not the qemu
package as distributed by Debian
.
See How to fix?
for Debian:unstable
relevant fixed versions and status.
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
- 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
- http://people.ubuntu.com/~ubuntu-security/cve/CVE-2016-9846