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SUSE-SU-2021:3073-1 Not scored

Security update for the Linux Kernel (Live Patch 5 for SLE 15 SP3)

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).

Exploit probability Not scored
Published September 16, 2021
Required by Not available
Last source change February 4, 2026

02 / AFFECTED SOFTWARE

Affected packages

SUSE:Linux Enterprise Live Patching 15 SP2 kernel-livepatch-SLE15-SP2_Update_6
SUSE:Linux Enterprise Live Patching 12 SP4 kgraft-patch-SLE12-SP4_Update_21
SUSE:Linux Enterprise Live Patching 12 SP4 kgraft-patch-SLE12-SP4_Update_19
SUSE:Linux Enterprise Live Patching 15 SP3 kernel-livepatch-SLE15-SP3_Update_5
SUSE:Linux Enterprise Live Patching 15 SP2 kernel-livepatch-SLE15-SP2_Update_8
SUSE:Linux Enterprise Live Patching 12 SP5 kgraft-patch-SLE12-SP5_Update_21
SUSE:Linux Enterprise Live Patching 15 kernel-livepatch-SLE15_Update_25
SUSE:Linux Enterprise Live Patching 15 SP2 kernel-livepatch-SLE15-SP2_Update_15
SUSE:Linux Enterprise Live Patching 15 SP1 kernel-livepatch-SLE15-SP1_Update_22
SUSE:Linux Enterprise Live Patching 12 SP5 kgraft-patch-SLE12-SP5_Update_16
SUSE:Linux Enterprise Live Patching 12 SP5 kgraft-patch-SLE12-SP5_Update_19
SUSE:Linux Enterprise Live Patching 15 SP1 kernel-livepatch-SLE15-SP1_Update_18
SUSE:Linux Enterprise Live Patching 12 SP5 kgraft-patch-SLE12-SP5_Update_15
SUSE:Linux Enterprise Live Patching 15 SP3 kernel-livepatch-SLE15-SP3_Update_4
SUSE:Linux Enterprise Live Patching 15 SP2 kernel-livepatch-SLE15-SP2_Update_14
SUSE:Linux Enterprise Live Patching 12 SP4 kgraft-patch-SLE12-SP4_Update_17
SUSE:Linux Enterprise Live Patching 12 SP5 kgraft-patch-SLE12-SP5_Update_17
SUSE:Linux Enterprise Live Patching 15 SP1 kernel-livepatch-SLE15-SP1_Update_15
SUSE:Linux Enterprise Live Patching 12 SP4 kgraft-patch-SLE12-SP4_Update_22
SUSE:Linux Enterprise Live Patching 12 SP5 kgraft-patch-SLE12-SP5_Update_20
SUSE:Linux Enterprise Live Patching 15 kernel-livepatch-SLE15_Update_21
SUSE:Linux Enterprise Live Patching 15 SP1 kernel-livepatch-SLE15-SP1_Update_19
SUSE:Linux Enterprise Live Patching 15 SP2 kernel-livepatch-SLE15-SP2_Update_10
SUSE:Linux Enterprise Live Patching 12 SP5 kgraft-patch-SLE12-SP5_Update_9
SUSE:Linux Enterprise Live Patching 15 SP1 kernel-livepatch-SLE15-SP1_Update_20
SUSE:Linux Enterprise Live Patching 12 SP5 kgraft-patch-SLE12-SP5_Update_12
SUSE:Linux Enterprise Live Patching 15 SP1 kernel-livepatch-SLE15-SP1_Update_23
SUSE:Linux Enterprise Live Patching 15 SP2 kernel-livepatch-SLE15-SP2_Update_4
SUSE:Linux Enterprise Live Patching 15 SP2 kernel-livepatch-SLE15-SP2_Update_17
SUSE:Linux Enterprise Live Patching 12 SP5 kgraft-patch-SLE12-SP5_Update_11
SUSE:Linux Enterprise Live Patching 15 SP1 kernel-livepatch-SLE15-SP1_Update_16
SUSE:Linux Enterprise Live Patching 15 SP1 kernel-livepatch-SLE15-SP1_Update_17
SUSE:Linux Enterprise Live Patching 15 SP1 kernel-livepatch-SLE15-SP1_Update_24
SUSE:Linux Enterprise Live Patching 15 SP3 kernel-livepatch-SLE15-SP3_Update_3
SUSE:Linux Enterprise Live Patching 15 SP2 kernel-livepatch-SLE15-SP2_Update_12
SUSE:Linux Enterprise Live Patching 15 SP2 kernel-livepatch-SLE15-SP2_Update_7
SUSE:Linux Enterprise Live Patching 12 SP5 kgraft-patch-SLE12-SP5_Update_14
SUSE:Linux Enterprise Live Patching 12 SP5 kgraft-patch-SLE12-SP5_Update_10
SUSE:Linux Enterprise Live Patching 15 SP3 kernel-livepatch-SLE15-SP3_Update_2
SUSE:Linux Enterprise Live Patching 15 SP1 kernel-livepatch-SLE15-SP1_Update_21
SUSE:Linux Enterprise Live Patching 15 SP2 kernel-livepatch-SLE15-SP2_Update_3
SUSE:Linux Enterprise Live Patching 15 SP2 kernel-livepatch-SLE15-SP2_Update_16
SUSE:Linux Enterprise Live Patching 12 SP4 kgraft-patch-SLE12-SP4_Update_18
SUSE:Linux Enterprise Live Patching 12 SP4 kgraft-patch-SLE12-SP4_Update_16
SUSE:Linux Enterprise Live Patching 15 SP2 kernel-livepatch-SLE15-SP2_Update_13
SUSE:Linux Enterprise Live Patching 12 SP4 kgraft-patch-SLE12-SP4_Update_20
SUSE:Linux Enterprise Live Patching 15 SP2 kernel-livepatch-SLE15-SP2_Update_9
SUSE:Linux Enterprise Live Patching 15 kernel-livepatch-SLE15_Update_22
SUSE:Linux Enterprise Live Patching 12 SP5 kgraft-patch-SLE12-SP5_Update_13
SUSE:Linux Enterprise Live Patching 15 kernel-livepatch-SLE15_Update_20
SUSE:Linux Enterprise Live Patching 15 SP2 kernel-livepatch-SLE15-SP2_Update_18
SUSE:Linux Enterprise Live Patching 15 SP2 kernel-livepatch-SLE15-SP2_Update_5
SUSE:Linux Enterprise Live Patching 15 kernel-livepatch-SLE15_Update_23
SUSE:Linux Enterprise Live Patching 15 SP3 kernel-livepatch-SLE15-SP3_Update_0
SUSE:Linux Enterprise Live Patching 15 SP1 kernel-livepatch-SLE15-SP1_Update_25
SUSE:Linux Enterprise Live Patching 15 SP3 kernel-livepatch-SLE15-SP3_Update_1
SUSE:Linux Enterprise Live Patching 12 SP5 kgraft-patch-SLE12-SP5_Update_22
SUSE:Linux Enterprise Live Patching 12 SP5 kgraft-patch-SLE12-SP5_Update_18
SUSE:Linux Enterprise Live Patching 15 SP1 kernel-livepatch-SLE15-SP1_Update_26
SUSE:Linux Enterprise Live Patching 15 SP2 kernel-livepatch-SLE15-SP2_Update_11
SUSE:Linux Enterprise Live Patching 15 kernel-livepatch-SLE15_Update_24

03 / CONNECTIONS

Connected vulnerabilities

04 / EVIDENCE

Source records

Open Source Vulnerabilities SUSE-SU-2021:3073-1

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).

View original source

05 / REFERENCES

Further evidence