CVE-2018-14613: NULL Pointer Dereference

An issue was discovered in the Linux kernel through 4.17.10. There is an invalid pointer dereference in ioctlmappage when mounting and operating a crafted btrfs image, because of a lack of block group item validation in checkleafitem in fs/btrfs/tree-checker.c...

CVE-2018-14612: NULL Pointer Dereference

An issue was discovered in the Linux kernel through 4.17.10. There is an invalid pointer dereference in btrfsrootnode when mounting a crafted btrfs image, because of a lack of chunk block group mapping validation in btrfsreadblockgroups in fs/btrfs/extent-tree.c, and a lack of empty-tree checks i...