qemu is vulnerable to denial of service. The vulnerability exists in the floppy disk emulator of QEMU allows privileged user to crash the QEMU.
access.redhat.com/errata/RHSA-2022:0325
access.redhat.com/errata/RHSA-2022:0397
access.redhat.com/errata/RHSA-2022:1759
access.redhat.com/security/cve/CVE-2021-20196
bugs.launchpad.net/qemu/+bug/1912780
bugzilla.redhat.com/show_bug.cgi?id=1919210
lists.debian.org/debian-lts-announce/2022/04/msg00002.html
lists.debian.org/debian-lts-announce/2022/09/msg00008.html
security-tracker.debian.org/tracker/CVE-2021-20196
security.netapp.com/advisory/ntap-20210708-0004/
www.openwall.com/lists/oss-security/2021/01/28/1