The (1) esp_reg_read and (2) esp_reg_write functions in hw/scsi/esp.c in QEMU allow local guest OS administrators to cause a denial of service (QEMU process crash) or execute arbitrary code on the QEMU host via vectors related to the information transfer buffer.
http://www.openwall.com/lists/oss-security/2016/06/08/14
http://www.openwall.com/lists/oss-security/2016/06/07/3
https://lists.gnu.org/archive/html/qemu-devel/2016-06/msg01507.html
http://www.ubuntu.com/usn/USN-3047-1
http://www.ubuntu.com/usn/USN-3047-2
http://www.securityfocus.com/bid/91079
https://security.gentoo.org/glsa/201609-01
https://lists.debian.org/debian-lts-announce/2018/11/msg00038.html
http://git.qemu.org/?p=qemu.git%3Ba=commit%3Bh=ff589551c8e8e9e95e211b9d8daafb4ed39f1aec
Source: MITRE
Published: 2016-06-14
Updated: 2023-02-12
Type: NVD-CWE-noinfo
Base Score: 4.6
Vector: AV:L/AC:L/Au:N/C:P/I:P/A:P
Impact Score: 6.4
Exploitability Score: 3.9
Severity: MEDIUM
Base Score: 7.8
Vector: CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H
Impact Score: 5.9
Exploitability Score: 1.8
Severity: HIGH