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SUSE-SU-2021:3073-1

SUSE-SU-2021:3073-1 · Security update for the Linux Kernel (Live Patch 5 for SLE 15 SP3)

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This page shows selected source facts. See the linked advisories for the complete description and affected versions.

This update for the Linux Kernel 5.3.18-59_19 fixes several issues. The following security issues were fixed: - CVE-2021-3653: Fixed missing validation of the KVM `int_ctl` VMCB field that would have allowed a malicious L1 guest to enable AVIC support for the L2 guest (bsc#1189420). - CVE-2021-3656: Fixed KVM nSVM nested VMLOAD/VMSAVE interception (bsc#1189418). - CVE-2021-38198: Fixed KVM MMU to use the correct inherited permissions to get shadow page (bsc#1189278).

Fix available

Published
Updated

Stack: system

Affected products and versions

Original sources

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