Use-after-free vulnerability in mm/mremap.c in Linux Kernel before 5.13.3 due to missing rmap lock during PUD move

Use-after-free vulnerability in mm/mremap.c in Linux Kernel before 5.13.3 due to missing rmap lock during PUD move

CVE-2022-41222 · HIGH Severity

CVSS:3.1/AV:L/AC:H/PR:L/UI:N/S:U/C:H/I:H/A:H

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.

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