cvedb.io
CVE-2021-43056
MEDIUM · CVSS 5.5
EPSS exploitation probability: 0%
Published 2021-10-28T04:15:08.210 · Last modified 2026-06-17T04:10:27.040

Summary

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 products

linux — linux_kernel

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References

This product uses data from the NVD API but is not endorsed or certified by the NVD. Informational only; not professional security advice.