CVE-2016-9846

6.5 MEDIUM
Published: December 29, 2016 Modified: May 06, 2026
View on NVD

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.

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CVSS v3.x Details

0.0 Low Medium High Critical 10.0
Vector String
CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:C/C:N/I:N/A:H

References to Advisories, Solutions, and Tools

Patch Vendor Advisory Exploit Third Party Advisory
http://www.openwall.com/lists/oss-security/2016/12/05/18
Source: secalert@redhat.com
Mailing List Third Party Advisory
http://www.openwall.com/lists/oss-security/2016/12/05/23
Source: secalert@redhat.com
Mailing List Third Party Advisory
http://www.securityfocus.com/bid/94765
Source: secalert@redhat.com
Third Party Advisory VDB Entry
https://lists.gnu.org/archive/html/qemu-devel/2016-11/msg00029.html
Source: secalert@redhat.com
Patch Vendor Advisory
https://security.gentoo.org/glsa/201701-49
Source: secalert@redhat.com
Third Party Advisory
http://www.openwall.com/lists/oss-security/2016/12/05/18
Source: af854a3a-2127-422b-91ae-364da2661108
Mailing List Third Party Advisory
http://www.openwall.com/lists/oss-security/2016/12/05/23
Source: af854a3a-2127-422b-91ae-364da2661108
Mailing List Third Party Advisory
http://www.securityfocus.com/bid/94765
Source: af854a3a-2127-422b-91ae-364da2661108
Third Party Advisory VDB Entry
https://lists.gnu.org/archive/html/qemu-devel/2016-11/msg00029.html
Source: af854a3a-2127-422b-91ae-364da2661108
Patch Vendor Advisory
https://security.gentoo.org/glsa/201701-49
Source: af854a3a-2127-422b-91ae-364da2661108
Third Party Advisory

10 reference(s) from NVD

Quick Stats

CVSS v3 Score
6.5 / 10.0
EPSS (Exploit Probability)
0.1%
24th percentile
Exploitation Status
Not in CISA KEV

Weaknesses (CWE)

Affected Vendors

qemu