CVE-2026-43265

A flaw was found in the Linux kernel's Kernel-based Virtual Machine KVM for x86 architectures. A local user or a malicious guest operating system could manipulate the virtual CPU vCPU state by injecting events while the vCPU is in a blocking state. This could lead to a spurious exit to userspace,...

CVE-2026-43265

In the Linux kernel, the following vulnerability has been resolved: KVM: x86: Ignore -EBUSY when checking nested events from vcpublock Ignore -EBUSY when checking nested events after exiting a blocking state while L2 is active, as exiting to userspace will generate a spurious userspace exit,...