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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History
Wed, 14 Oct 2026 18:30:00 +0000
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Status: PUBLISHED
Assigner: mitre
Published: 2022-09-02T00:00:00.000Z
Updated: 2026-10-14T17:39:24.986Z
Reserved: 2022-09-02T00:00:00.000Z
Link: CVE-2022-39188
No data.
Status : Modified
Published: 2022-09-02T05:15:07.650
Modified: 2026-10-14T18:17:04.473
Link: CVE-2022-39188