CVE-2016-9913

MEDIUM

Description

Memory leak in the v9fs_device_unrealize_common function in hw/9pfs/9p.c in QEMU (aka Quick Emulator) allows local privileged guest OS users to cause a denial of service (host memory consumption and possibly QEMU process crash) via vectors involving the order of resource cleanup.

References

http://git.qemu.org/?p=qemu.git;a=commit;h=4774718e5c194026ba5ee7a28d9be49be3080e42

http://www.openwall.com/lists/oss-security/2016/12/06/11

http://www.openwall.com/lists/oss-security/2016/12/08/7

http://www.securityfocus.com/bid/94729

https://lists.gnu.org/archive/html/qemu-devel/2016-11/msg03278.html

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

Details

Source: MITRE

Published: 2016-12-29

Updated: 2017-07-01

Type: CWE-400

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