An issue was discovered in the Linux kernel through 4.17.10. There is a NULL pointer dereference in fscrypt_do_page_crypto() in fs/crypto/crypto.c when operating on a file in a corrupted f2fs image.
- https://bugzilla.kernel.org/show_bug.cgi?id=200465
- https://usn.ubuntu.com/3932-1/
- https://usn.ubuntu.com/4118-1/
- https://github.com/ARPSyndicate/cvemon