CVE-2016-9913 Information

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.

CVSS Vector

CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:C/C:N/I:N/A:H

Reference

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

Attack Complexity

LOW

Privileges Required

LOW

User Interaction Required

LOW

Scope

NONE

Confidentiality Impact

CHANGED

Integrity Impact

NONE

Availability Impact

NONE

Base Score

HIGH

Base Severity

6.5