An issue was discovered in the Linux kernel for powerpc before 5.14.15. It allows a malicious KVM guest to crash the host, when the host is running on Power8, due to an arch/powerpc/kvm/book3s_hv_rmhandlers.S implementation bug in the handling of the SRR1 register values. CREATE(Triage):(User=admin) CVE-2021-43056 (https://nvd.nist.gov/vuln/detail/CVE-2021-43056)
