The get_cmd function in hw/scsi/esp.c in the 53C9X Fast SCSI Controller (FSC) support in QEMU does not properly check DMA length, which allows local guest OS administrators to cause a denial of service (out-of-bounds write and QEMU process crash) via unspecified vectors, involving an SCSI command.
http://www.openwall.com/lists/oss-security/2016/05/19/4
http://www.securityfocus.com/bid/90762
http://www.ubuntu.com/usn/USN-3047-1
http://www.ubuntu.com/usn/USN-3047-2
https://bugzilla.redhat.com/show_bug.cgi?id=1337505
https://lists.debian.org/debian-lts-announce/2018/11/msg00038.html
https://lists.gnu.org/archive/html/qemu-devel/2016-05/msg03274.html
Source: MITRE
Published: 2016-05-20
Updated: 2020-05-14
Type: CWE-119
Base Score: 2.1
Vector: AV:L/AC:L/Au:N/C:N/I:N/A:P
Impact Score: 2.9
Exploitability Score: 3.9
Severity: LOW
Base Score: 6
Vector: CVSS:3.1/AV:L/AC:L/PR:H/UI:N/S:C/C:N/I:N/A:H
Impact Score: 4
Exploitability Score: 1.5
Severity: MEDIUM