Astra Linux – Vulnerability in Linux 5.10, Linux, Linux 5.15

A issue was discovered in arch/x86/kvm/vmx/nested.c in the Linux kernel before 6.2.8. nVMX on x8664 lacks consistency checks for CR0 and CR4...

Linux Distros Unpatched Vulnerability : CVE-2017-2596

The Linux/Unix host has one or more packages installed that are impacted by a vulnerability without a vendor supplied patch available. - The nestedvmxcheckvmptr function in arch/x86/kvm/vmx.c in the Linux kernel through 4.9.8 improperly emulates the VMXON instruction, which allows KVM L1 guest OS...

CVE-2025-21839 KVM: x86: Load DR6 with guest value only before entering .vcpu_run() loop

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...

CVE-2024-46830

In the Linux kernel, the following vulnerability has been resolved: KVM: x86: Acquire kvm-srcu when handling KVMSETVCPUEVENTS Grab kvm-srcu when processing KVMSETVCPUEVENTS, as KVM will forcibly leave nested VMX/SVM if SMM mode is being toggled, and leaving nested VMX reads guest memory. Note,...

CVE-2024-46830 KVM: x86: Acquire kvm->srcu when handling KVM_SET_VCPU_EVENTS

In the Linux kernel, the following vulnerability has been resolved: KVM: x86: Acquire kvm-srcu when handling KVMSETVCPUEVENTS Grab kvm-srcu when processing KVMSETVCPUEVENTS, as KVM will forcibly leave nested VMX/SVM if SMM mode is being toggled, and leaving nested VMX reads guest memory. Note,...

DEBIAN-CVE-2017-2596

The nestedvmxcheckvmptr function in arch/x86/kvm/vmx.c in the Linux kernel through 4.9.8 improperly emulates the VMXON instruction, which allows KVM L1 guest OS users to cause a denial of service host OS memory consumption by leveraging the mishandling of page references...

PT-2017-1185 · Linux +5 · Linux Kernel +5

Name of the Vulnerable Software and Affected Versions: Linux kernel versions prior to 4.9.8 Description: The issue is related to errors in resource management in the nested vmx check vmptr function of the Linux operating system. This can be exploited by a local attacker to cause a denial of...