copy_params in drivers/md/dm-ioctl.c in the Linux kernel through 6.7.1 can attempt to allocate more than INT_MAX bytes, and crash, because of a missing param_kernel->data_size check. This is related to ctl_ioctl. CREATE(Triage):(User=admin) CVE-2024-23851 (https://nvd.nist.gov/vuln/detail/CVE-2024-23851)
