hw/input/ps2.c in Qemu does not validate 'rptr' and 'count' values during guest migration, leading to out-of-bounds access.
http://www.securityfocus.com/bid/101923
https://lists.debian.org/debian-lts-announce/2018/09/msg00007.html
https://lists.gnu.org/archive/html/qemu-devel/2017-11/msg02982.html
https://usn.ubuntu.com/3575-1/
Source: MITRE
Published: 2017-11-17
Updated: 2020-09-10
Type: CWE-20
Base Score: 6.4
Vector: AV:N/AC:L/Au:N/C:P/I:N/A:P
Impact Score: 4.9
Exploitability Score: 10
Severity: MEDIUM
Base Score: 10
Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:C/C:H/I:N/A:H
Impact Score: 5.8
Exploitability Score: 3.9
Severity: CRITICAL