CVE-2024-26617

In the Linux kernel, the following vulnerability has been resolved:<br /> <br /> fs/proc/task_mmu: move mmu notification mechanism inside mm lock<br /> <br /> Move mmu notification mechanism inside mm lock to prevent race condition<br /> in other components which depend on it. The notifier will invalidate<br /> memory range. Depending upon the number of iterations, different memory<br /> ranges would be invalidated.<br /> <br /> The following warning would be removed by this patch:<br /> WARNING: CPU: 0 PID: 5067 at arch/x86/kvm/../../../virt/kvm/kvm_main.c:734 kvm_mmu_notifier_change_pte+0x860/0x960 arch/x86/kvm/../../../virt/kvm/kvm_main.c:734<br /> <br /> There is no behavioural and performance change with this patch when<br /> there is no component registered with the mmu notifier.<br /> <br /> [akpm@linux-foundation.org: narrow the scope of `range&amp;#39;, per Sean]