CVE-2016-7156

MEDIUM

Qemu < 2.7.1 - Denial of Service

Title source: rule

Description

The pvscsi_convert_sglist function in hw/scsi/vmw_pvscsi.c in QEMU (aka Quick Emulator) allows local guest OS administrators to cause a denial of service (infinite loop and QEMU process crash) by leveraging an incorrect cast.

References (8)

[Patch] http://git.qemu.org/?p=qemu.git%3Ba=commit%3Bh=49adc5d3f8c6bb75e55ebfeab109c5c37dea65e8

[Mailing List, Third Party Advisory] http://www.openwall.com/lists/oss-security/2016/09/06/3

[Mailing List, Third Party Advisory] http://www.openwall.com/lists/oss-security/2016/09/07/2

[Third Party Advisory, VDB Entry] http://www.securityfocus.com/bid/92774

[Mailing List, Third Party Advisory] https://lists.debian.org/debian-lts-announce/2018/11/msg00038.html

[Patch, Third Party Advisory] https://lists.gnu.org/archive/html/qemu-devel/2016-09/msg00772.html

[Patch, Third Party Advisory] https://lists.gnu.org/archive/html/qemu-devel/2016-09/msg01246.html

[Third Party Advisory] https://security.gentoo.org/glsa/201609-01

Scores

CVSS v3 4.4

EPSS 0.0008

EPSS Percentile 22.3%

Attack Vector LOCAL

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

Classification

CWE

CWE-704

Status published

Affected Products (3)

qemu/qemu < 2.7.1

debian/debian_linux

n/a/n/a

Timeline

Published Dec 10, 2016

Tracked Since Feb 18, 2026