CVE-2021-47179 | Linux Kernel up to 5.12.8 NFSv4 pnfs_mark_matching_lsegs_return pnfs_layout_range null pointer dereference

CVE-2021-47179 | Linux Kernel up to 5.12.8 NFSv4 pnfs_mark_matching_lsegs_return pnfs_layout_range null pointer dereference

A vulnerability classified as critical has been found in Linux Kernel up to 5.12.8. Affected is the function pnfs_mark_matching_lsegs_return of the component NFSv4. The manipulation of the argument pnfs_layout_range leads to null pointer dereference. This vulnerability is traded as CVE-2021-47179. Access to the local network is required for this attack. There is no exploit available. It is recommended to upgrade the affected component.