Upstream information
Description
In the Linux kernel, the following vulnerability has been resolved:KVM: nSVM: Check instead of asserting on nested TSC scaling support
Check for nested TSC scaling support on nested SVM VMRUN instead of
asserting that TSC scaling is exposed to L1 if L1's MSR_AMD64_TSC_RATIO
has diverged from KVM's default. Userspace can trigger the WARN at will
by writing the MSR and then updating guest CPUID to hide the feature
(modifying guest CPUID is allowed anytime before KVM_RUN). E.g. hacking
KVM's state_test selftest to do
vcpu_set_msr(vcpu, MSR_AMD64_TSC_RATIO, 0);
vcpu_clear_cpuid_feature(vcpu, X86_FEATURE_TSCRATEMSR);
after restoring state in a new VM+vCPU yields an endless supply of:
------------[ cut here ]------------
WARNING: CPU: 164 PID: 62565 at arch/x86/kvm/svm/nested.c:699
nested_vmcb02_prepare_control+0x3d6/0x3f0 [kvm_amd]
Call Trace:
<TASK>
enter_svm_guest_mode+0x114/0x560 [kvm_amd]
nested_svm_vmrun+0x260/0x330 [kvm_amd]
vmrun_interception+0x29/0x30 [kvm_amd]
svm_invoke_exit_handler+0x35/0x100 [kvm_amd]
svm_handle_exit+0xe7/0x180 [kvm_amd]
kvm_arch_vcpu_ioctl_run+0x1eab/0x2570 [kvm]
kvm_vcpu_ioctl+0x4c9/0x5b0 [kvm]
__se_sys_ioctl+0x7a/0xc0
__x64_sys_ioctl+0x21/0x30
do_syscall_64+0x41/0x90
entry_SYSCALL_64_after_hwframe+0x63/0xcd
RIP: 0033:0x45ca1b
Note, the nested #VMEXIT path has the same flaw, but needs a different
fix and will be handled separately.
SUSE information
Overall state of this security issue: New
This issue is currently rated as having not set severity.
Note from the SUSE Security Team on the kernel-default package
SUSE will no longer fix all CVEs in the Linux Kernel anymore, but declare some bug classes as won't fix. Please refer to TID 21496 for more details. No SUSE Bugzilla entries cross referenced. No SUSE Security Announcements cross referenced.Status of this issue by product and package
Please note that this evaluation state might be work in progress, incomplete or outdated. Also information for service packs in the LTSS phase is only included for issues meeting the LTSS criteria. If in doubt, feel free to contact us for clarification. The updates are grouped by state of their lifecycle. SUSE product lifecycles are documented on the lifecycle page.
Product(s) | Source package | State |
---|---|---|
Products under general support and receiving all security fixes. | ||
SUSE Linux Enterprise Desktop 15 SP6 | kernel-default | Analysis |
SUSE Linux Enterprise Desktop 15 SP6 | kernel-source | Analysis |
SUSE Linux Enterprise Desktop 15 SP7 | kernel-default | Analysis |
SUSE Linux Enterprise Desktop 15 SP7 | kernel-source | Analysis |
SUSE Linux Enterprise High Availability Extension 15 SP7 | kernel-default | Analysis |
SUSE Linux Enterprise High Availability Extension 15 SP7 | kernel-source | Analysis |
SUSE Linux Enterprise High Performance Computing 15 SP6 | kernel-default | Analysis |
SUSE Linux Enterprise High Performance Computing 15 SP6 | kernel-source | Analysis |
SUSE Linux Enterprise High Performance Computing 15 SP6 | kernel-source-azure | Analysis |
SUSE Linux Enterprise High Performance Computing 15 SP7 | kernel-default | Analysis |
SUSE Linux Enterprise High Performance Computing 15 SP7 | kernel-source | Analysis |
SUSE Linux Enterprise High Performance Computing 15 SP7 | kernel-source-azure | Analysis |
SUSE Linux Enterprise Live Patching 15 SP6 | kernel-default | Analysis |
SUSE Linux Enterprise Live Patching 15 SP6 | kernel-source | Analysis |
SUSE Linux Enterprise Live Patching 15 SP7 | kernel-default | Analysis |
SUSE Linux Enterprise Live Patching 15 SP7 | kernel-source | Analysis |
SUSE Linux Enterprise Micro 5.1 | kernel-default | Analysis |
SUSE Linux Enterprise Micro 5.1 | kernel-rt | Analysis |
SUSE Linux Enterprise Micro 5.1 | kernel-source | Analysis |
SUSE Linux Enterprise Micro 5.1 | kernel-source-rt | Analysis |
SUSE Linux Enterprise Micro 5.2 | kernel-default | Analysis |
SUSE Linux Enterprise Micro 5.2 | kernel-rt | Analysis |
SUSE Linux Enterprise Micro 5.2 | kernel-source | Analysis |
SUSE Linux Enterprise Micro 5.2 | kernel-source-rt | Analysis |
SUSE Linux Enterprise Micro 5.3 | kernel-default | Analysis |
SUSE Linux Enterprise Micro 5.3 | kernel-rt | Analysis |
SUSE Linux Enterprise Micro 5.3 | kernel-source | Analysis |
SUSE Linux Enterprise Micro 5.3 | kernel-source-rt | Analysis |
SUSE Linux Enterprise Micro 5.4 | kernel-default | Analysis |
SUSE Linux Enterprise Micro 5.4 | kernel-rt | Analysis |
SUSE Linux Enterprise Micro 5.4 | kernel-source | Analysis |
SUSE Linux Enterprise Micro 5.4 | kernel-source-rt | Analysis |
SUSE Linux Enterprise Micro 5.5 | kernel-default | Analysis |
SUSE Linux Enterprise Micro 5.5 | kernel-source | Analysis |
SUSE Linux Enterprise Micro 5.5 | kernel-source-rt | Analysis |
SUSE Linux Enterprise Module for Basesystem 15 SP6 | kernel-default | Analysis |
SUSE Linux Enterprise Module for Basesystem 15 SP6 | kernel-source | Analysis |
SUSE Linux Enterprise Module for Basesystem 15 SP7 | kernel-default | Analysis |
SUSE Linux Enterprise Module for Basesystem 15 SP7 | kernel-source | Analysis |
SUSE Linux Enterprise Module for Development Tools 15 SP6 | kernel-default | Analysis |
SUSE Linux Enterprise Module for Development Tools 15 SP6 | kernel-source | Analysis |
SUSE Linux Enterprise Module for Development Tools 15 SP7 | kernel-default | Analysis |
SUSE Linux Enterprise Module for Development Tools 15 SP7 | kernel-source | Analysis |
SUSE Linux Enterprise Module for Legacy 15 SP6 | kernel-default | Analysis |
SUSE Linux Enterprise Module for Legacy 15 SP6 | kernel-source | Analysis |
SUSE Linux Enterprise Module for Legacy 15 SP7 | kernel-default | Analysis |
SUSE Linux Enterprise Module for Legacy 15 SP7 | kernel-source | Analysis |
SUSE Linux Enterprise Module for Public Cloud 15 SP6 | kernel-source-azure | Analysis |
SUSE Linux Enterprise Module for Public Cloud 15 SP7 | kernel-source-azure | Analysis |
SUSE Linux Enterprise Real Time 15 SP6 | kernel-source-rt | Analysis |
SUSE Linux Enterprise Real Time 15 SP7 | kernel-source-rt | Analysis |
SUSE Linux Enterprise Server 15 SP6 | kernel-default | Analysis |
SUSE Linux Enterprise Server 15 SP6 | kernel-source | Analysis |
SUSE Linux Enterprise Server 15 SP6 | kernel-source-azure | Analysis |
SUSE Linux Enterprise Server 15 SP7 | kernel-default | Analysis |
SUSE Linux Enterprise Server 15 SP7 | kernel-source | Analysis |
SUSE Linux Enterprise Server 15 SP7 | kernel-source-azure | Analysis |
SUSE Linux Enterprise Server 16.0 | kernel-default | Analysis |
SUSE Linux Enterprise Server 16.0 | kernel-source | Analysis |
SUSE Linux Enterprise Server 16.0 | kernel-source-azure | Analysis |
SUSE Linux Enterprise Server for SAP Applications 15 SP6 | kernel-default | Analysis |
SUSE Linux Enterprise Server for SAP Applications 15 SP6 | kernel-source | Analysis |
SUSE Linux Enterprise Server for SAP Applications 15 SP6 | kernel-source-azure | Analysis |
SUSE Linux Enterprise Server for SAP Applications 15 SP7 | kernel-default | Analysis |
SUSE Linux Enterprise Server for SAP Applications 15 SP7 | kernel-source | Analysis |
SUSE Linux Enterprise Server for SAP Applications 15 SP7 | kernel-source-azure | Analysis |
SUSE Linux Enterprise Server for SAP Applications 16.0 | kernel-source | Analysis |
SUSE Linux Enterprise Server for SAP Applications 16.0 | kernel-source-azure | Analysis |
SUSE Linux Enterprise Workstation Extension 15 SP6 | kernel-default | Analysis |
SUSE Linux Enterprise Workstation Extension 15 SP6 | kernel-source | Analysis |
SUSE Linux Enterprise Workstation Extension 15 SP7 | kernel-default | Analysis |
SUSE Linux Enterprise Workstation Extension 15 SP7 | kernel-source | Analysis |
SUSE Linux Micro 6.0 | kernel-default | Analysis |
SUSE Linux Micro 6.0 | kernel-source | Analysis |
SUSE Linux Micro 6.0 | kernel-source-rt | Analysis |
SUSE Linux Micro 6.1 | kernel-default | Analysis |
SUSE Linux Micro 6.1 | kernel-source | Analysis |
SUSE Linux Micro 6.1 | kernel-source-rt | Analysis |
SUSE Linux Micro 6.2 | kernel-source | Analysis |
SUSE Real Time Module 15 SP6 | kernel-source-rt | Analysis |
SUSE Real Time Module 15 SP7 | kernel-source-rt | Analysis |
openSUSE Leap 15.6 | kernel-default | Analysis |
openSUSE Leap 15.6 | kernel-source | Analysis |
openSUSE Leap 15.6 | kernel-source-azure | Analysis |
openSUSE Leap 15.6 | kernel-source-rt | Analysis |
Products under Long Term Service Pack support and receiving important and critical security fixes. | ||
SUSE Linux Enterprise High Performance Computing 15 SP3 | kernel-source | Analysis |
SUSE Linux Enterprise High Performance Computing 15 SP3-ESPOS | kernel-source | Analysis |
SUSE Linux Enterprise High Performance Computing 15 SP3-LTSS | kernel-default | Analysis |
SUSE Linux Enterprise High Performance Computing 15 SP3-LTSS | kernel-source | Analysis |
SUSE Linux Enterprise High Performance Computing 15 SP4 | kernel-source | Analysis |
SUSE Linux Enterprise High Performance Computing 15 SP4-LTSS | kernel-default | Analysis |
SUSE Linux Enterprise High Performance Computing 15 SP4-LTSS | kernel-source | Analysis |
SUSE Linux Enterprise High Performance Computing 15 SP5 | kernel-source | Analysis |
SUSE Linux Enterprise High Performance Computing 15 SP5-ESPOS | kernel-default | Analysis |
SUSE Linux Enterprise High Performance Computing 15 SP5-ESPOS | kernel-source | Analysis |
SUSE Linux Enterprise High Performance Computing 15 SP5-LTSS | kernel-default | Analysis |
SUSE Linux Enterprise High Performance Computing 15 SP5-LTSS | kernel-source | Analysis |
SUSE Linux Enterprise Live Patching 12 SP5 | kernel-default | Analysis |
SUSE Linux Enterprise Live Patching 12 SP5 | kernel-source | Analysis |
SUSE Linux Enterprise Live Patching 15 SP3 | kernel-default | Analysis |
SUSE Linux Enterprise Live Patching 15 SP3 | kernel-source | Analysis |
SUSE Linux Enterprise Live Patching 15 SP4 | kernel-default | Analysis |
SUSE Linux Enterprise Live Patching 15 SP4 | kernel-source | Analysis |
SUSE Linux Enterprise Live Patching 15 SP5 | kernel-default | Analysis |
SUSE Linux Enterprise Live Patching 15 SP5 | kernel-source | Analysis |
SUSE Linux Enterprise Module for Basesystem 15 SP3 | kernel-source | Analysis |
SUSE Linux Enterprise Module for Basesystem 15 SP4 | kernel-source | Analysis |
SUSE Linux Enterprise Module for Basesystem 15 SP5 | kernel-source | Analysis |
SUSE Linux Enterprise Module for Development Tools 15 SP3 | kernel-source | Analysis |
SUSE Linux Enterprise Module for Development Tools 15 SP4 | kernel-source | Analysis |
SUSE Linux Enterprise Module for Development Tools 15 SP5 | kernel-source | Analysis |
SUSE Linux Enterprise Server 11 SP4 LTSS EXTREME CORE | kernel-default | Analysis |
SUSE Linux Enterprise Server 11 SP4 LTSS EXTREME CORE | kernel-source | Analysis |
SUSE Linux Enterprise Server 12 SP5 | kernel-source | Analysis |
SUSE Linux Enterprise Server 12 SP5-LTSS | kernel-default | Analysis |
SUSE Linux Enterprise Server 12 SP5-LTSS | kernel-source | Analysis |
SUSE Linux Enterprise Server 12 SP5-LTSS Extended Security | kernel-default | Analysis |
SUSE Linux Enterprise Server 12 SP5-LTSS Extended Security | kernel-source | Analysis |
SUSE Linux Enterprise Server 15 SP3 | kernel-source | Analysis |
SUSE Linux Enterprise Server 15 SP3-LTSS | kernel-default | Analysis |
SUSE Linux Enterprise Server 15 SP3-LTSS | kernel-source | Analysis |
SUSE Linux Enterprise Server 15 SP4 | kernel-source | Analysis |
SUSE Linux Enterprise Server 15 SP4-LTSS | kernel-default | Analysis |
SUSE Linux Enterprise Server 15 SP4-LTSS | kernel-source | Analysis |
SUSE Linux Enterprise Server 15 SP5 | kernel-source | Analysis |
SUSE Linux Enterprise Server 15 SP5-LTSS | kernel-default | Analysis |
SUSE Linux Enterprise Server 15 SP5-LTSS | kernel-source | Analysis |
SUSE Linux Enterprise Server LTSS Extended Security 12 SP5 | kernel-source | Analysis |
SUSE Manager Proxy 4.3 | kernel-source | Analysis |
SUSE Manager Proxy LTS 4.3 | kernel-default | Analysis |
SUSE Manager Proxy LTS 4.3 | kernel-source | Analysis |
SUSE Manager Retail Branch Server 4.3 | kernel-source | Analysis |
SUSE Manager Retail Branch Server LTS 4.3 | kernel-default | Analysis |
SUSE Manager Retail Branch Server LTS 4.3 | kernel-source | Analysis |
SUSE Manager Server 4.3 | kernel-source | Analysis |
SUSE Manager Server LTS 4.3 | kernel-default | Analysis |
SUSE Manager Server LTS 4.3 | kernel-source | Analysis |
Products past their end of life and not receiving proactive updates anymore. | ||
SUSE CaaS Platform 4.0 | kernel-source | Analysis |
SUSE Enterprise Storage 6 | kernel-source | Analysis |
SUSE Enterprise Storage 7 | kernel-source | Analysis |
SUSE Enterprise Storage 7.1 | kernel-source | Analysis |
SUSE Linux Enterprise Desktop 11 SP4 | kernel-source | Analysis |
SUSE Linux Enterprise Desktop 12 SP2 | kernel-source | Analysis |
SUSE Linux Enterprise Desktop 12 SP4 | kernel-source | Analysis |
SUSE Linux Enterprise Desktop 15 | kernel-source | Analysis |
SUSE Linux Enterprise Desktop 15 SP1 | kernel-source | Analysis |
SUSE Linux Enterprise Desktop 15 SP2 | kernel-source | Analysis |
SUSE Linux Enterprise Desktop 15 SP3 | kernel-source | Analysis |
SUSE Linux Enterprise Desktop 15 SP4 | kernel-source | Analysis |
SUSE Linux Enterprise Desktop 15 SP5 | kernel-source | Analysis |
SUSE Linux Enterprise High Performance Computing 15 | kernel-source | Analysis |
SUSE Linux Enterprise High Performance Computing 15 SP1 | kernel-source | Analysis |
SUSE Linux Enterprise High Performance Computing 15 SP1-ESPOS | kernel-source | Analysis |
SUSE Linux Enterprise High Performance Computing 15 SP1-LTSS | kernel-source | Analysis |
SUSE Linux Enterprise High Performance Computing 15 SP2 | kernel-source | Analysis |
SUSE Linux Enterprise High Performance Computing 15 SP2-ESPOS | kernel-source | Analysis |
SUSE Linux Enterprise High Performance Computing 15 SP2-LTSS | kernel-source | Analysis |
SUSE Linux Enterprise High Performance Computing 15 SP4-ESPOS | kernel-source | Analysis |
SUSE Linux Enterprise High Performance Computing 15-ESPOS | kernel-source | Analysis |
SUSE Linux Enterprise High Performance Computing 15-LTSS | kernel-source | Analysis |
SUSE Linux Enterprise Micro 5.0 | kernel-default | Analysis |
SUSE Linux Enterprise Module for Basesystem 15 | kernel-source | Analysis |
SUSE Linux Enterprise Module for Basesystem 15 SP1 | kernel-source | Analysis |
SUSE Linux Enterprise Module for Basesystem 15 SP2 | kernel-source | Analysis |
SUSE Linux Enterprise Module for Development Tools 15 | kernel-source | Analysis |
SUSE Linux Enterprise Module for Development Tools 15 SP1 | kernel-source | Analysis |
SUSE Linux Enterprise Module for Development Tools 15 SP2 | kernel-source | Analysis |
SUSE Linux Enterprise Point of Sale 12 SP2-CLIENT | kernel-source | Analysis |
SUSE Linux Enterprise Real Time 15 SP2 | kernel-source | Analysis |
SUSE Linux Enterprise Real Time 15 SP3 | kernel-source | Analysis |
SUSE Linux Enterprise Real Time 15 SP3 | kernel-source-rt | Analysis |
SUSE Linux Enterprise Real Time 15 SP4 | kernel-source | Analysis |
SUSE Linux Enterprise Real Time 15 SP4 | kernel-source-rt | Analysis |
SUSE Linux Enterprise Real Time 15 SP5 | kernel-source-rt | Analysis |
SUSE Linux Enterprise Server 11 SP4 | kernel-source | Analysis |
SUSE Linux Enterprise Server 11 SP4 LTSS | kernel-default | Analysis |
SUSE Linux Enterprise Server 11 SP4 LTSS | kernel-source | Analysis |
SUSE Linux Enterprise Server 11 SP4-LTSS | kernel-source | Analysis |
SUSE Linux Enterprise Server 12 SP2 | kernel-source | Analysis |
SUSE Linux Enterprise Server 12 SP2-BCL | kernel-source | Analysis |
SUSE Linux Enterprise Server 12 SP2-ESPOS | kernel-source | Analysis |
SUSE Linux Enterprise Server 12 SP2-LTSS | kernel-default | Analysis |
SUSE Linux Enterprise Server 12 SP2-LTSS | kernel-source | Analysis |
SUSE Linux Enterprise Server 12 SP4 | kernel-source | Analysis |
SUSE Linux Enterprise Server 12 SP4-ESPOS | kernel-source | Analysis |
SUSE Linux Enterprise Server 12 SP4-LTSS | kernel-default | Analysis |
SUSE Linux Enterprise Server 12 SP4-LTSS | kernel-source | Analysis |
SUSE Linux Enterprise Server 15 | kernel-source | Analysis |
SUSE Linux Enterprise Server 15 SP1 | kernel-source | Analysis |
SUSE Linux Enterprise Server 15 SP1-BCL | kernel-source | Analysis |
SUSE Linux Enterprise Server 15 SP1-LTSS | kernel-default | Analysis |
SUSE Linux Enterprise Server 15 SP1-LTSS | kernel-source | Analysis |
SUSE Linux Enterprise Server 15 SP2 | kernel-source | Analysis |
SUSE Linux Enterprise Server 15 SP2-BCL | kernel-source | Analysis |
SUSE Linux Enterprise Server 15 SP2-LTSS | kernel-default | Analysis |
SUSE Linux Enterprise Server 15 SP2-LTSS | kernel-source | Analysis |
SUSE Linux Enterprise Server 15 SP3-BCL | kernel-source | Analysis |
SUSE Linux Enterprise Server 15-LTSS | kernel-default | Analysis |
SUSE Linux Enterprise Server 15-LTSS | kernel-source | Analysis |
SUSE Linux Enterprise Server for Raspberry Pi 12 SP2 | kernel-source | Analysis |
SUSE Linux Enterprise Server for SAP Applications 12 SP2 | kernel-source | Analysis |
SUSE Linux Enterprise Server for SAP Applications 12 SP4 | kernel-source | Analysis |
SUSE Linux Enterprise Server for SAP Applications 15 | kernel-source | Analysis |
SUSE Linux Enterprise Server for SAP Applications 15 SP1 | kernel-source | Analysis |
SUSE Linux Enterprise Server for SAP Applications 15 SP2 | kernel-source | Analysis |
SUSE Linux Enterprise Server for SAP Applications 15 SP3 | kernel-default | Analysis |
SUSE Linux Enterprise Server for SAP Applications 15 SP3 | kernel-source | Analysis |
SUSE Linux Enterprise Server for SAP Applications 15 SP4 | kernel-default | Analysis |
SUSE Linux Enterprise Server for SAP Applications 15 SP4 | kernel-source | Analysis |
SUSE Linux Enterprise Server for SAP Applications 15 SP5 | kernel-default | Analysis |
SUSE Linux Enterprise Server for SAP Applications 15 SP5 | kernel-source | Analysis |
SUSE Manager Proxy 4.0 | kernel-source | Analysis |
SUSE Manager Proxy 4.1 | kernel-source | Analysis |
SUSE Manager Proxy 4.2 | kernel-source | Analysis |
SUSE Manager Retail Branch Server 4.0 | kernel-source | Analysis |
SUSE Manager Retail Branch Server 4.1 | kernel-source | Analysis |
SUSE Manager Retail Branch Server 4.2 | kernel-source | Analysis |
SUSE Manager Server 4.0 | kernel-source | Analysis |
SUSE Manager Server 4.1 | kernel-source | Analysis |
SUSE Manager Server 4.2 | kernel-source | Analysis |
SUSE OpenStack Cloud 7 | kernel-source | Analysis |
SUSE OpenStack Cloud 9 | kernel-source | Analysis |
SUSE OpenStack Cloud Crowbar 9 | kernel-source | Analysis |
SUSE Real Time Module 15 SP3 | kernel-source-rt | Analysis |
SUSE Real Time Module 15 SP4 | kernel-source-rt | Analysis |
SUSE Real Time Module 15 SP5 | kernel-source-rt | Analysis |
openSUSE Leap 15.3 | kernel-source | Analysis |
openSUSE Leap 15.3 | kernel-source-rt | Analysis |
openSUSE Leap 15.4 | kernel-source | Analysis |
openSUSE Leap 15.4 | kernel-source-rt | Analysis |
openSUSE Leap 15.5 | kernel-source | Analysis |
openSUSE Leap 15.5 | kernel-source-rt | Analysis |
SUSE Timeline for this CVE
CVE page created: Tue Oct 7 20:01:22 2025CVE page last modified: Tue Oct 7 22:09:02 2025