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.
History

No history.

cve-icon MITRE

Status: PUBLISHED

Assigner: mitre

Published: 2021-10-28T03:13:44

Updated: 2024-08-04T03:47:13.219Z

Reserved: 2021-10-28T00:00:00

Link: CVE-2021-43056

cve-icon Vulnrichment

No data.

cve-icon NVD

Status : Modified

Published: 2021-10-28T04:15:08.210

Modified: 2023-11-07T03:39:17.670

Link: CVE-2021-43056

cve-icon Redhat

Severity : Moderate

Publid Date: 2021-10-25T00:00:00Z

Links: CVE-2021-43056 - Bugzilla