Security update for the Linux Kernel (Live Patch 21 for SLE 15) (Important)
Description:
This update for the Linux Kernel 4.12.14-150_63 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).
SUSE Linux Enterprise High Performance Computing 15 SUSE Linux Enterprise Module for Basesystem 15 SP1 SUSE Linux Enterprise Module for Desktop Applications 15 SP1 SUSE Linux Enterprise Module for Live Patching 15 SUSE Linux Enterprise Server 15 SUSE Linux Enterprise Server for SAP Applications 15