A code execution vulnerability exists in the directory rehashing functionality of E2fsprogs e2fsck 1.45.4. A specially crafted ext4 directory can cause an out-of-bounds write on the stack, resulting in code execution. An attacker can corrupt a partition to trigger this vulnerability.
https://usn.ubuntu.com/4249-1/
https://talosintelligence.com/vulnerability_reports/TALOS-2019-0973
https://security.netapp.com/advisory/ntap-20220506-0001/
https://lists.debian.org/debian-lts-announce/2020/07/msg00021.html
https://lists.debian.org/debian-lts-announce/2020/03/msg00030.html
http://lists.opensuse.org/opensuse-security-announce/2020-02/msg00004.html