CVE-2016-7995

MEDIUM

QEMU < 2.7.1 - Denial of Service via Memory Leak in EHCI Controller

Title source: llm
STIX 2.1

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.

References (6)

Core 6
Core References
Patch, Third Party Advisory mailing-list x_refsource_mlist
https://lists.gnu.org/archive/html/qemu-devel/2016-09/msg06609.html
Mailing List, Third Party Advisory vendor-advisory x_refsource_suse
http://lists.opensuse.org/opensuse-updates/2016-12/msg00140.html
Mailing List, Third Party Advisory mailing-list x_refsource_mlist
http://www.openwall.com/lists/oss-security/2016/10/07/3
Mailing List, Third Party Advisory mailing-list x_refsource_mlist
http://www.openwall.com/lists/oss-security/2016/10/08/4
Third Party Advisory, VDB Entry vdb-entry x_refsource_bid
http://www.securityfocus.com/bid/93454

Scores

CVSS v3 6.0
EPSS 0.0015
EPSS Percentile 35.2%
Attack Vector LOCAL
CVSS:3.1/AV:L/AC:L/PR:H/UI:N/S:C/C:N/I:N/A:H

Details

CWE
CWE-772
Status published
Products (2)
opensuse/leap 42.2
qemu/qemu < 2.7.1
Published Dec 10, 2016
Tracked Since Feb 18, 2026