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.
History

No history.

cve-icon MITRE

Status: PUBLISHED

Assigner: mitre

Published: 2022-09-02T00:00:00

Updated: 2024-08-03T12:00:42.380Z

Reserved: 2022-09-02T00:00:00

Link: CVE-2022-39188

cve-icon Vulnrichment

No data.

cve-icon NVD

Status : Modified

Published: 2022-09-02T05:15:07.650

Modified: 2023-11-07T03:50:20.460

Link: CVE-2022-39188

cve-icon Redhat

Severity : Moderate

Publid Date: 2022-07-06T16:30:00Z

Links: CVE-2022-39188 - Bugzilla