An flaw was discovered in the F2FS filesystem code in fs/f2fs/super.c in the Linux kernel. An out-of-bounds read or a divide-by-zero error for an incorrect user_block_count in a corrupted f2fs image can lead to a denial of service.
A suggested upstream patch:
Created kernel tracking bugs for this issue:
Affects: fedora-all [bug 1597788]
An F2FS filesystem is not shipped with any of the Red Hat products.