{"id":"CVE-2022-39188","revision":"a01d9bbc55f44e0681b3fde1a0e1b1cb","records":[{"revision":"a01d9bbc55f44e0681b3fde1a0e1b1cb","observedAt":"2026-10-23T15:48:27.903+00:00","statement":{"source":"cve-program","id":"CVE-2022-39188","aliases":[],"title":"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…","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.","state":0,"publishedAt":"2022-09-02T00:00:00+00:00","modifiedAt":"2026-10-14T17:39:24.986+00:00","affected":[{"ecosystem":"Vendor product","name":"n/a","ranges":[],"versions":[],"rawVersionEvidence":"{\n                    \"vendor\": \"n/a\",\n                    \"product\": \"n/a\",\n                    \"versions\": [\n                        {\n                            \"version\": \"n/a\",\n                            \"status\": \"affected\"\n                        }\n                    ]\n                }"}],"metrics":[],"references":["https://bugs.chromium.org/p/project-zero/issues/detail?id=2329","https://lore.kernel.org/stable/CAG48ez3SEqOPcPCYGHVZv4iqEApujD5VtM3Re-tCKLDEFdEdbg%40mail.gmail.com/","https://cdn.kernel.org/pub/linux/kernel/v5.x/ChangeLog-5.19","https://github.com/torvalds/linux/commit/b67fbebd4cf980aecbcc750e1462128bffe8ae15","https://git.kernel.org/cgit/linux/kernel/git/torvalds/linux.git/commit/?id=b67fbebd4cf980aecbcc750e1462128bffe8ae15","https://lists.debian.org/debian-lts-announce/2022/10/msg00000.html","https://www.debian.org/security/2022/dsa-5257","https://lists.debian.org/debian-lts-announce/2022/11/msg00001.html"],"sourceUrl":"https://www.cve.org/CVERecord?id=CVE-2022-39188","license":"CVE Program Terms of Use","key":"cve-program:CVE-2022-39188","identifiers":["CVE-2022-39188"]},"retained":false,"historicalAffected":[]}],"coverage":[]}