An issue was discovered in the hwpoison implementation in mm/memory-failure.c in the Linux kernel before 5.0.4. When soft_offline_in_use_page() runs on a thp tail page after pmd is split, an attacker can cause a denial of service (BUG). CREATE(Triage): {Link=https://nvd.nist.gov/vuln/detail/CVE-2019-10124 User=admin}