Security update for the Linux Kernel (Live Patch 18 for SLE 15 SP2) (Important)
Description:
This update for the Linux Kernel 5.3.18-24_78 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 SP2 SUSE Linux Enterprise Module for Basesystem 15 SP1 SUSE Linux Enterprise Module for Live Patching 15 SP2 SUSE Linux Enterprise Server 15 SP2 SUSE Linux Enterprise Server for SAP Applications 15 SP2