Description
The esp_do_dma function in hw/scsi/esp.c in QEMU (aka Quick Emulator), when built with ESP/NCR53C9x controller emulation support, allows local guest OS administrators to cause a denial of service (out-of-bounds write and QEMU process crash) or execute arbitrary code on the QEMU host via vectors involving DMA read into ESP command buffer.
References (8)
Core 8
Core References
Third Party Advisory vendor-advisory
x_refsource_ubuntu
http://www.ubuntu.com/usn/USN-3047-1
Patch x_refsource_confirm
http://git.qemu.org/?p=qemu.git%3Ba=commit%3Bh=cc96677469388bad3d66479379735cf75db069e3
Third Party Advisory vendor-advisory
x_refsource_ubuntu
http://www.ubuntu.com/usn/USN-3047-2
Mailing List, Third Party Advisory mailing-list
x_refsource_mlist
http://www.openwall.com/lists/oss-security/2016/07/25/14
Mailing List, Third Party Advisory mailing-list
x_refsource_mlist
http://www.openwall.com/lists/oss-security/2016/07/26/7
Patch x_refsource_confirm
http://git.qemu.org/?p=qemu.git%3Ba=commit%3Bh=926cde5f3e4d2504ed161ed0cb771ac7cad6fd11
Third Party Advisory, VDB Entry vdb-entry
x_refsource_bid
http://www.securityfocus.com/bid/92119
Mailing List, Third Party Advisory mailing-list
x_refsource_mlist
https://lists.debian.org/debian-lts-announce/2018/11/msg00038.html
Scores
CVSS v3
6.7
EPSS
0.0023
EPSS Percentile
45.3%
Attack Vector
LOCAL
CVSS:3.1/AV:L/AC:L/PR:H/UI:N/S:U/C:H/I:H/A:H
Details
Status
published
Products (5)
canonical/ubuntu_linux
12.04
canonical/ubuntu_linux
14.04
canonical/ubuntu_linux
16.04
debian/debian_linux
8.0
qemu/qemu
< 2.6.2
Published
Sep 07, 2016
Tracked Since
Feb 18, 2026