CVE-2016-9846

MEDIUM

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.

References

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

https://lists.gnu.org/archive/html/qemu-devel/2016-11/msg00029.html

https://security.gentoo.org/glsa/201701-49

Details

Source: MITRE

Published: 2016-12-29

Updated: 2017-07-01

Type: CWE-119

Risk Information

CVSS v2.0

Base Score: 4.9

Vector: (AV:L/AC:L/Au:N/C:N/I:N/A:C)

Impact Score: 6.9

Exploitability Score: 3.9

Severity: MEDIUM

CVSS v3.0

Base Score: 6.5

Vector: CVSS:3.0/AV:L/AC:L/PR:L/UI:N/S:C/C:N/I:N/A:H

Impact Score: 4

Exploitability Score: 2

Severity: MEDIUM