Integer overflow in grub_ext2_read_link triggered by a specially crafted ext4 filesystem containing a symlink inode with a size of UINT32_MAX, which leads to a zero-sized allocation and subsequent heap buffer overflow with attacker controlled data. CREATE(Triage):(User=admin) CVE-2020-14311 (https://nvd.nist.gov/vuln/detail/CVE-2020-14311)
