In the Linux kernel 5.0.21, a setxattr operation, after a mount of a crafted ext4 image, can cause a slab-out-of-bounds write access because of an ext4_xattr_set_entry use-after-free in fs/ext4/xattr.c when a large old_size value is used in a memset call. CREATE(Triage):(User=admin) CVE-2019-19319 (https://nvd.nist.gov/vuln/detail/CVE-2019-19319)
