【中文导读】该 CVE 涉及内存破坏、释放后使用（高危风险）。具体受影响产品、版本和修复方案以 NVD/厂商公告为准。 【原始描述】mm/mremap.c in the Linux kernel before 5.13.3 has a use-after-free via a stale TLB because an rmap lock is not held during a PUD move.