VULNERABILITY INTELLIGENCE

CVE-2022-39188

CVSS score4.7 MEDIUM
EPSS probability0.25%
CISA KEVNot currently listed
Published2022-09-02
Last modified2026-10-14
CVSS vectorCVSS:3.1/AV:L/AC:H/PR:L/UI:N/S:U/C:N/I:N/A:H

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.

Weakness classification

  • nvd@nist.gov: CWE-362

Primary references