CVE-2021-43056: KVM guest can trigger host crash on Power8

https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2021-43056

Which kernels are vulnerable

Bare metal kernels with KVM support since v5.2, when running on Power8.

Patch status

Distro	Version	Fix applied?	Link
korg	v5.15 and later	Yes	⬈
korg	v5.14.15	Yes	⬈
korg	v5.10.76	Yes	⬈
korg	v5.4.146	Yes	⬈
ubuntu	20.04	No	CVE tracker
ubuntu	21.04	No	CVE tracker
debian	bullseye	No	CVE tracker
debian	sid	Yes	CVE tracker
fedora	33	Yes	⬈
fedora	34	Yes	⬈
fedora	35	Yes	⬈