CVE-2026-89931

A flaw was found in the Kernel-based Virtual Machine KVM nVMX component of the Linux kernel. This vulnerability arises from improper handling of nested virtual machine VM exits, where a specific request flag is not consistently cleared. This oversight can lead to the same memory pages being mappe...

Astra Linux – vulnerability in linux-6.1

In the Linux kernel, the following vulnerability has been resolved: KVM: nVMX: Always flush vpid02 on first use Ensure that vpid02 is always flushed on its first use by setting lastvpid=0 when allocating vpid02. Nestedvmxtransitiontlbflush will always detect a VPID change upon the first VM-Enter...

Astra Linux – vulnerability in linux-6.1

In the Linux kernel, the following vulnerability has been resolved: KVM: nVMX: Hide shadow VMCS right after VMCLEAR freenested frees the shadow VMCS while vmcs01 still points to it. However, since this operation is asynchronous relative to loadedvmcsclear, the vCPU might migrate before the pointe...

kernel: KVM: nVMX: Always flush vpid02 on first use

A flaw was found in the Kernel-based Virtual Machine KVM subsystem. This vulnerability occurs when KVM reuses a Virtual Processor ID VPID without properly flushing Translation Lookaside Buffer TLB entries. A malicious guest virtual machine VM could potentially exploit this to access stale TLB...

CVE-2026-99176

In the Linux kernel, the following vulnerability has been resolved: KVM: nVMX: Reset MMU back to the root MMU if loading L2 state fails for !VM-Entry Reset the vCPU's MMU pointer back to the root MMU if loading L2 state fails in the "not from VM-Entry" case, i.e. when emulating RSM or handling...

SUSE CVE-2026-99176

In the Linux kernel, the following vulnerability has been resolved: KVM: nVMX: Reset MMU back to the root MMU if loading L2 state fails for !VM-Entry Reset the vCPU's MMU pointer back to the root MMU if loading L2 state fails in the "not from VM-Entry" case, i.e. when emulating RSM or handling...

DEBIAN-CVE-2026-99176

In the Linux kernel, the following vulnerability has been resolved: KVM: nVMX: Reset MMU back to the root MMU if loading L2 state fails for !VM-Entry Reset the vCPU's MMU pointer back to the root MMU if loading L2 state fails in the "not from VM-Entry" case, i.e. when emulating RSM or handling...

AZL-111332 CVE-2026-99176 affecting package kernel 6.6.159.1-1

In the Linux kernel, the following vulnerability has been resolved: KVM: nVMX: Reset MMU back to the root MMU if loading L2 state fails for !VM-Entry Reset the vCPU's MMU pointer back to the root MMU if loading L2 state fails in the "not from VM-Entry" case, i.e. when emulating RSM or handling...

CVE-2026-99176

In the Linux kernel, the following vulnerability has been resolved: KVM: nVMX: Reset MMU back to the root MMU if loading L2 state fails for !VM-Entry Reset the vCPU's MMU pointer back to the root MMU if loading L2 state fails in the "not from VM-Entry" case, i.e. when emulating RSM or handling...

UBUNTU-CVE-2026-99176

In the Linux kernel, the following vulnerability has been resolved: KVM: nVMX: Reset MMU back to the root MMU if loading L2 state fails for !VM-Entry Reset the vCPU's MMU pointer back to the root MMU if loading L2 state fails in the "not from VM-Entry" case, i.e. when emulating RSM or handling...

CVE-2026-99176 KVM: nVMX: Reset MMU back to the root MMU if loading L2 state fails for !VM-Entry

In the Linux kernel, the following vulnerability has been resolved: KVM: nVMX: Reset MMU back to the root MMU if loading L2 state fails for !VM-Entry Reset the vCPU's MMU pointer back to the root MMU if loading L2 state fails in the "not from VM-Entry" case, i.e. when emulating RSM or handling...

EUVD-2026-111928

In the Linux kernel, the following vulnerability has been resolved: KVM: nVMX: Reset MMU back to the root MMU if loading L2 state fails for !VM-Entry Reset the vCPU's MMU pointer back to the root MMU if loading L2 state fails in the "not from VM-Entry" case, i.e. when emulating RSM or handling...

CVE-2026-99176

The Linux kernel contains a vulnerability in the KVM module involving nVMX functionality. When loading L2 state fails in the "not from VM-Entry" case (such as during RSM emulation or handling KVM_SET_NESTED_STATE ), the system fails to unwind the vCPU's MMU pointer back to the root MMU. This fail...

CVE-2026-99176 KVM: nVMX: Reset MMU back to the root MMU if loading L2 state fails for !VM-Entry

In the Linux kernel, the following vulnerability has been resolved: KVM: nVMX: Reset MMU back to the root MMU if loading L2 state fails for !VM-Entry Reset the vCPU's MMU pointer back to the root MMU if loading L2 state fails in the "not from VM-Entry" case, i.e. when emulating RSM or handling...

PT-2026-128169

In the Linux kernel, the following vulnerability has been resolved: KVM: nVMX: Reset MMU back to the root MMU if loading L2 state fails for !VM-Entry Reset the vCPU's MMU pointer back to the root MMU if loading L2 state fails in the "not from VM-Entry" case, i.e. when emulating RSM or handling KV...

CVE-2026-99176: Linux: In the Linux kernel, the following vulnerability has been resolved: KVM: nVMX: Reset MMU back to the root MMU if…

In the Linux kernel, the following vulnerability has been resolved: KVM: nVMX: Reset MMU back to the root MMU if loading L2 state fails for !VM-Entry Reset the vCPU's MMU pointer back to the root MMU if loading L2 state fails in the "not from VM-Entry" case, i.e. when emulating RSM or handling...

CVE-2026-99176

In the Linux kernel, the following vulnerability has been resolved: KVM: nVMX: Reset MMU back to the root MMU if loading L2 state fails for !VM-Entry Reset the vCPU's MMU pointer back to the root MMU if loading L2 state fails in the "not from VM-Entry" case, i.e. when emulating RSM or handling...

Linux Distros Unpatched Vulnerability : CVE-2026-99176

The Linux/Unix host has one or more packages installed that are impacted by a vulnerability without a vendor supplied patch available. - KVM: nVMX: Reset MMU back to the root MMU if loading L2 state fails for !VM-Entry Reset the vCPU's MMU pointer back to the root MMU if loading L2 state fails in...

Linux kernel security vulnerabilities

A security vulnerability exists in Linux kernel version 4.15. It arises when KVM nVMX fails to reset the vCPU’s MMU pointer back to its root MMU upon loading L2 state in non-VM-Entry scenarios; this may result in null pointer dereferencing...

SUSE CVE-2026-98720

In the Linux kernel, the following vulnerability has been resolved: KVM: nVMX: Force MSR bitmap refresh if runtime eVMCS controls are modified Force a refresh of the vmcs02 MSR bitmap during nested VM-Enter if the runtime eVMCS controls pin, primary, secondary, etc. are being updated. If L1 isn't...