CVE-2016-7995 Information

Description

Memory leak in the ehci_process_itd function in hw/usb/hcd-ehci.c in QEMU (aka Quick Emulator) allows local guest OS administrators to cause a denial of service (memory consumption) via a large number of crafted buffer page select (PG) indexes.

CVSS Vector

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

Reference

http://git.qemu.org/?p=qemu.git;a=commit;h=b16c129daf0fed91febbb88de23dae8271c8898a http://lists.opensuse.org/opensuse-updates/2016-12/msg00140.html http://www.openwall.com/lists/oss-security/2016/10/07/3 http://www.openwall.com/lists/oss-security/2016/10/08/4 http://www.securityfocus.com/bid/93454 https://lists.gnu.org/archive/html/qemu-devel/2016-09/msg06609.html

Attack Complexity

LOW

Privileges Required

HIGH

User Interaction Required

HIGH

Scope

NONE

Confidentiality Impact

CHANGED

Integrity Impact

NONE

Availability Impact

NONE

Base Score

HIGH

Base Severity

6.0