qemu-seccomp.c in QEMU might allow local OS guest users to cause a denial of service (guest crash) by leveraging mishandling of the seccomp policy for threads other than the main thread.
http://www.openwall.com/lists/oss-security/2018/08/28/6
https://access.redhat.com/errata/RHSA-2019:2425
https://lists.gnu.org/archive/html/qemu-devel/2018-08/msg04892.html
Source: MITRE
Published: 2018-08-29
Updated: 2020-09-10
Type: NVD-CWE-noinfo
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: 5.5
Vector: CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H
Impact Score: 3.6
Exploitability Score: 1.8
Severity: MEDIUM