CVE-2016-4952

MEDIUM

Qemu < 2.6.2 - Out-of-Bounds Write

Title source: rule

Description

QEMU (aka Quick Emulator), when built with VMWARE PVSCSI paravirtual SCSI bus emulation support, allows local guest OS administrators to cause a denial of service (out-of-bounds array access) via vectors related to the (1) PVSCSI_CMD_SETUP_RINGS or (2) PVSCSI_CMD_SETUP_MSG_RING SCSI command.

References (7)

[Mailing List, Third Party Advisory] http://www.openwall.com/lists/oss-security/2016/05/23/1

[Mailing List, Third Party Advisory] http://www.openwall.com/lists/oss-security/2016/05/23/4

[Third Party Advisory] http://www.ubuntu.com/usn/USN-3047-1

[Third Party Advisory] http://www.ubuntu.com/usn/USN-3047-2

[Issue Tracking, Third Party Advisory] https://bugzilla.redhat.com/show_bug.cgi?id=1334384

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

[Mailing List, Patch, Third Party Advisory] https://lists.gnu.org/archive/html/qemu-devel/2016-05/msg03774.html

Scores

CVSS v3 6.0

EPSS 0.0011

EPSS Percentile 29.4%

Attack Vector LOCAL

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

Classification

CWE

CWE-787

Status published

Affected Products (6)

qemu/qemu < 2.6.2

canonical/ubuntu_linux

canonical/ubuntu_linux

canonical/ubuntu_linux

debian/debian_linux

n/a/n/a

Timeline

Published Sep 02, 2016

Tracked Since Feb 18, 2026