DEBIAN-CVE-2023-53208

In the Linux kernel, the following vulnerability has been resolved: KVM: nSVM: Load L1's TSC multiplier based on L1 state, not L2 state When emulating nested VM-Exit, load L1's TSC multiplier if L1's desired ratio doesn't match the current ratio, not if the ratio L1 is using for L2 diverges from...

UBUNTU-CVE-2023-53208

In the Linux kernel, the following vulnerability has been resolved: KVM: nSVM: Load L1's TSC multiplier based on L1 state, not L2 state When emulating nested VM-Exit, load L1's TSC multiplier if L1's desired ratio doesn't match the current ratio, not if the ratio L1 is using for L2 diverges from...

CVE-2023-53208

CVE-2023-53208 : Linux kernel KVM nested virtualization flaw where L1’s TSC multiplier is loaded based on L1 state instead of L2, causing a mismatch that userspace can trigger via MSR writes and guest CPUID changes. The fix ensures L1’s multiplier is loaded when exiting nested VM, preventing the ...

CVE-2023-53208 KVM: nSVM: Load L1's TSC multiplier based on L1 state, not L2 state

In the Linux kernel, the following vulnerability has been resolved: KVM: nSVM: Load L1's TSC multiplier based on L1 state, not L2 state When emulating nested VM-Exit, load L1's TSC multiplier if L1's desired ratio doesn't match the current ratio, not if the ratio L1 is using for L2 diverges from...

Linux Distros Unpatched Vulnerability : CVE-2021-3656

The Linux/Unix host has one or more packages installed that are impacted by a vulnerability without a vendor supplied patch available. - A flaw was found in the KVM's AMD code for supporting SVM nested virtualization. The flaw occurs when processing the VMCB virtual machine control block provided...

Linux Distros Unpatched Vulnerability : CVE-2022-45869

The Linux/Unix host has one or more packages installed that are impacted by a vulnerability without a vendor supplied patch available. - A race condition in the x86 KVM subsystem in the Linux kernel through 6.1-rc6 allows guest OS users to cause a denial of service host OS crash or host OS memory...

Linux Distros Unpatched Vulnerability : CVE-2020-2732

The Linux/Unix host has one or more packages installed that are impacted by a vulnerability without a vendor supplied patch available. - A flaw was discovered in the way that the KVM hypervisor handled instruction emulation for an L2 guest when nested virtualisation is enabled. Under some...

Linux Distros Unpatched Vulnerability : CVE-2017-12188

The Linux/Unix host has one or more packages installed that are impacted by a vulnerability without a vendor supplied patch available. - arch/x86/kvm/mmu.c in the Linux kernel through 4.13.5, when nested virtualisation is used, does not properly traverse guest pagetable entries to resolve a guest...

Linux Distros Unpatched Vulnerability : CVE-2022-2196

The Linux/Unix host has one or more packages installed that are impacted by a vulnerability without a vendor supplied patch available. - A regression exists in the Linux Kernel within KVM: nVMX that allowed for speculative execution attacks. L2 can carry out Spectre v2 attacks on L1 due to L1...

Linux Distros Unpatched Vulnerability : CVE-2021-3653

The Linux/Unix host has one or more packages installed that are impacted by a vulnerability without a vendor supplied patch available. - A flaw was found in the KVM's AMD code for supporting SVM nested virtualization. The flaw occurs when processing the VMCB virtual machine control block provided...

UBUNTU-CVE-2025-23141

In the Linux kernel, the following vulnerability has been resolved: KVM: x86: Acquire SRCU in KVMGETMPSTATE to protect guest memory accesses Acquire a lock on kvm-srcu when userspace is getting MP state to handle a rather extreme edge case where "accepting" APIC events, i.e. processing pending IN...

SUSE CVE-2025-21839

In the Linux kernel, the following vulnerability has been resolved: KVM: x86: Load DR6 with guest value only before entering .vcpurun loop Move the conditional loading of hardware DR6 with the guest's DR6 value out of the core .vcpurun loop to fix a bug where KVM can load hardware with a stale...

UBUNTU-CVE-2025-21839

In the Linux kernel, the following vulnerability has been resolved: KVM: x86: Load DR6 with guest value only before entering .vcpurun loop Move the conditional loading of hardware DR6 with the guest's DR6 value out of the core .vcpurun loop to fix a bug where KVM can load hardware with a stale...

UBUNTU-CVE-2022-49559

In the Linux kernel, the following vulnerability has been resolved: KVM: x86: Drop WARNs that assert a triple fault never "escapes" from L2 Remove WARNs that sanity check that KVM never lets a triple fault for L2 escape and incorrectly end up in L1. In normal operation, the sanity check is...

PT-2025-10071

Name of the Vulnerable Software and Affected Versions Linux kernel affected versions not specified Description A bug in the Linux kernel's KVM Kernel-based Virtual Machine implementation allows the guest's DR6 value to be clobbered when the guest modifies DR6 and then a fastpath VM-Exit occurs...

kernel: KVM: nSVM: Ignore nCR3[4:0] when loading PDPTEs from memory

In the Linux kernel, the following vulnerability has been resolved: KVM: nSVM: Ignore nCR34:0 when loading PDPTEs from memory Ignore nCR34:0 when loading PDPTEs from memory for nested SVM, as bits 4:0 of CR3 are ignored when PAE paging is used, and thus VMRUN doesn't enforce 32-byte alignment of...

KVM: nSVM: Ignore nCR3[4:0] when loading PDPTEs from memory

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SUSE CVE-2024-50115

In the Linux kernel, the following vulnerability has been resolved: KVM: nSVM: Ignore nCR34:0 when loading PDPTEs from memory Ignore nCR34:0 when loading PDPTEs from memory for nested SVM, as bits 4:0 of CR3 are ignored when PAE paging is used, and thus VMRUN doesn't enforce 32-byte alignment of...

AZL-52464 CVE-2024-50115 affecting package kernel for versions less than 5.15.173.1-1

In the Linux kernel, the following vulnerability has been resolved: KVM: nSVM: Ignore nCR34:0 when loading PDPTEs from memory Ignore nCR34:0 when loading PDPTEs from memory for nested SVM, as bits 4:0 of CR3 are ignored when PAE paging is used, and thus VMRUN doesn't enforce 32-byte alignment of...

AZL-52529 CVE-2024-50115 affecting package kernel for versions less than 6.6.64.2-1

In the Linux kernel, the following vulnerability has been resolved: KVM: nSVM: Ignore nCR34:0 when loading PDPTEs from memory Ignore nCR34:0 when loading PDPTEs from memory for nested SVM, as bits 4:0 of CR3 are ignored when PAE paging is used, and thus VMRUN doesn't enforce 32-byte alignment of...