CVE-2021-46988 | Linux Kernel up to 5.12.4 userfaultfd shmem_mfill_atomic_pte allocation of resources

CVE-2021-46988 | Linux Kernel up to 5.12.4 userfaultfd shmem_mfill_atomic_pte allocation of resources

A vulnerability was found in Linux Kernel up to 5.12.4. It has been rated as critical. Affected by this issue is the function shmem_mfill_atomic_pte of the component userfaultfd. The manipulation leads to allocation of resources. This vulnerability is handled as CVE-2021-46988. The attack can only be done within the local network. There is no exploit available. It is recommended to upgrade the affected component.