SUSE CVE-2022-48991

In the Linux kernel, the following vulnerability has been resolved: mm/khugepaged: invoke MMU notifiers in shmem/file collapse paths Any codepath that zaps page table entries must invoke MMU notifiers to ensure that secondary MMUs like KVM don't keep accessing pages which aren't mapped anymore...

kernel: mm/khugepaged: invoke MMU notifiers in shmem/file collapse paths

A flaw was found in the Linux kernel. The memory management unit MMU notifiers were not properly invoked when page table entries were removed during certain memory collapse operations. This oversight could lead to a use-after-free vulnerability, where the system attempts to access deallocated...