CVE-2026-53345

CVE-2026-53345 affects the Linux kernel KVM implementation. The issue arises when marking a guest page dirty: a warning is emitted about not having a running vCPU unless the VM’s refcount is non-zero, which could leak memory for SEV-ES guests. Connected advisories show Debian/Ubuntu/RootOS patche...

CVE-2026-53345

In the Linux kernel, the following vulnerability has been resolved: KVM: Don't WARN if memory is dirtied without a vCPU when the VM is dying When marking a page dirty, complain about not having a running/loaded vCPU if and only if the VM is still alive, i.e. its refcount is non-zero. This will...

CVE-2026-53345

In the Linux kernel, the following vulnerability has been resolved: KVM: Don't WARN if memory is dirtied without a vCPU when the VM is dying When marking a page dirty, complain about not having a running/loaded vCPU if and only if the VM is still alive, i.e. its refcount is non-zero. This will...