CVE-2021-45469: Linux kernel: an out-of-bounds memory access in fs/f2fs/xattr.c __f2fs_setxattr

[Wenqing Liu <liu () cs fsu edu>]

Description:
In __f2fs_setxattr in fs/f2fs/xattr.c in the Linux kernel through 
5.15.11, there is an out-of-bounds memory access when an inode has an 
invalid last xattr entry. Could cause denial of service or other issues 
when mounting and operate on the crafted image.

References:
https://bugzilla.kernel.org/show_bug.cgi?id=215235
https://git.kernel.org/pub/scm/linux/kernel/git/chao/linux.git/commit/?h=dev&id=5598b24efaf4892741c798b425d543e4bed357a1