Debian/linux: medium 5.5

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_rmha

Action: Upgrade linux to 5.14.16-1 or later.

Affected

Fixed versions

Sources

• osv: DEBIAN-CVE-2021-43056#Debian:14/linux
• https://security-tracker.debian.org/tracker/CVE-2021-43056

published 2021-10-28T04:15:08.210Z · modified 2026-10-23T18:04:38.996306Z · JSON