Security Advisory

CVE-2022-39188

CVE vulnerability detail — eXtreme Datacenter Security Operations

Published 2022-09-02 00:00:00

Last updated 2024-08-03 12:00:42

Assigner mitre

State PUBLISHED

Description

An issue was discovered in include/asm-generic/tlb.h in the Linux kernel before 5.19. Because of a race condition (unmap_mapping_range versus munmap), a device driver can free a page while it still has stale TLB entries. This only occurs in situations with VM_PFNMAP VMAs.

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