The vulnerability relates to the definition of the `f2fs_fault_info{}` structure in the `fs/f2fs/f2fs.h` module of the Linux file system support module for F2FS kernels. This vulnerability allows an attacker to access protected information or cause service failures.

The vulnerability related to the definition of the f2fsfaultinfo structure in the fs/f2fs/f2fs.h module of the Linux file system support module f2FS is associated with code errors. Exploiting this vulnerability could allow an attacker to access protected information or cause service failures...

UBUNTU-CVE-2019-19815

In the Linux kernel 5.0.21, mounting a crafted f2fs filesystem image can cause a NULL pointer dereference in f2fsrecoverfsyncdata in fs/f2fs/recovery.c. This is related to F2FSPSB in fs/f2fs/f2fs.h...