CVE-2022-39188

MediumCVSS 4.7/10Last modified Oct 14, 2026

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.

Metrics

CVSS 3.1 4.7/10CVSS:3.1/AV:L/AC:H/PR:L/UI:N/S:U/C:N/I:N/A:H

Weakness enumeration

CWE-362

Affected software

No affected versions have been published.

Timeline

Published
Sep 2, 2022
Last modified
Oct 14, 2026
NVD status
Modified

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CVE-2022-39188: Medium severity, CVSS 4.7 | Vulnix