CVE-2026-68081 KVM: nVMX: Put vmcs12 pages if nested VM-Enter fails due to invalid guest state

In the Linux kernel, the following vulnerability has been resolved: KVM: nVMX: Put vmcs12 pages if nested VM-Enter fails due to invalid guest state Put all vmcs12 pages if KVM synthesizes a nested VM-Exit due to invalid guest while emulating VMLAUNCH or VMRESUME. The invalid guest state path...

CVE-2026-68081: Undefined Security Weakness

In the Linux kernel, the following vulnerability has been resolved: KVM: nVMX: Put vmcs12 pages if nested VM-Enter fails due to invalid guest state Put all vmcs12 pages if KVM synthesizes a nested VM-Exit due to invalid guest while emulating VMLAUNCH or VMRESUME. The invalid guest state path...

CVE-2026-46032

Summary: CVE-2026-46032 relates to Linux kernel KVM nSVM, where a failed restore of L1 host CR3 during a nested VMEXIT could leave L1 with corrupted state and trigger a triple fault instead of a clean recovery. The fix removes the nested_svm_vmexit return value and ensures proper cleanup, resulti...

PT-2026-43899

Name of the Vulnerable Software and Affected Versions Linux kernel affected versions not specified Description In the KVM nSVM component, a failure to restore the host CR3 Control Register 3, which manages page tables during a nested VMEXIT can lead to the system continuing to run the L1 guest wi...

CVE-2023-53208: Undefined Security Weakness

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-2025-23141

The Linux/Unix host has one or more packages installed that are impacted by a vulnerability without a vendor supplied patch available. - 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...

PT-2025-18395

Name of the Vulnerable Software and Affected Versions Linux kernel versions prior to 6.14.0-rc3 Description A vulnerability in the Linux kernel has been resolved, specifically in the KVM Kernel-based Virtual Machine module. The issue arises when the vCPU is in L2 with INIT and a TRIPLE FAULT...