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CVE-2021-43056

MEDIUM CVSS: 5.5 Published: 2021-10-28 Modified: 2026-06-17

Description

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.

Affected Platforms

Linux Linux KernelFedoraproject Fedora

Weakness Type

NVD-CWE-noinfo

References