CVE-2026-68424

CVE-2026-68424 affects the Linux kernel MTD virt_concat code. The root cause is a use-after-free: mtd_concat_destroy() frees item->concat, so calling mtd_virt_concat_put_mtd_devices(item->concat) can use freed memory. The fix migrates the call to mtd_virt_concat_put_mtd_devices() to occur b...