CVE-2022-39188
Published
CVSS v3
4.7
MEDIUM
CVSS v2
N/A
Affected
1
PROJECT
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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