An issue was discovered in the Linux kernel before 6.3.3. There is an out-of-bounds read in crc16 in lib/crc16.c when called from fs/ext4/super.c because ext4_group_desc_csum does not properly check an offset. CREATE(Triage):(User=admin) CVE-2023-34256 (https://nvd.nist.gov/vuln/detail/CVE-2023-34256)