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Fixed

LIN1021-1857 : Security Advisory - linux - CVE-2021-43056

Created: Oct 28, 2021    Updated: Nov 7, 2021
Resolved Date: Nov 1, 2021
Found In Version: 10.21.20.1
Fix Version: 10.21.20.7
Severity: Standard
Applicable for: Wind River Linux LTS 21
Component/s: Kernel

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.

CREATE(Triage):(User=admin) [CVE-2021-43056|https://nvd.nist.gov/vuln/detail/CVE-2021-43056]

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