The Linux kernel before 5.4.2 mishandles ext4_expand_extra_isize, as demonstrated by use-after-free errors in __ext4_expand_extra_isize and ext4_xattr_set_entry, related to fs/ext4/inode.c and fs/ext4/super.c, aka CID-4ea99936a163.
"https://storage.googleapis.com/osv-test-cve-osv-conversion/osv-output/CVE-2019-19767.json"
[ { "events": [ { "introduced": "0" }, { "fixed": "5.4.2" } ] } ]