Invalid Pointer Dereference in io_ctl_map_page() in Btrfs Image Mounting

CVE-2018-14613 · HIGH Severity

AV:N/AC:M/AU:N/C:N/I:N/A:C

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

Learn more about our Cis Benchmark Audit For Distribution Independent Linux.