{"id":"CVE-2021-44879","revision":"7e38b9b5899d4b0a88a6eab62b562ccd","records":[{"revision":"7e38b9b5899d4b0a88a6eab62b562ccd","observedAt":"2026-10-23T15:48:27.903+00:00","statement":{"source":"cve-program","id":"CVE-2021-44879","aliases":[],"title":"In gc_data_segment in fs/f2fs/gc.c in the Linux kernel before 5.16.3, special files are not considered, leading to a move_data_page NULL pointer dereference.","description":"In gc_data_segment in fs/f2fs/gc.c in the Linux kernel before 5.16.3, special files are not considered, leading to a move_data_page NULL pointer dereference.","state":0,"publishedAt":"2022-02-13T00:00:00+00:00","modifiedAt":"2026-10-14T11:58:24.553+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://cdn.kernel.org/pub/linux/kernel/v5.x/ChangeLog-5.16.3","https://bugzilla.kernel.org/show_bug.cgi?id=215231","https://lore.kernel.org/linux-f2fs-devel/20211206144421.3735-3-chao%40kernel.org/T/","https://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git/commit/?id=9056d6489f5a41cfbb67f719d2c0ce61ead72d9f","https://lists.debian.org/debian-lts-announce/2024/01/msg00004.html","https://lists.debian.org/debian-lts-announce/2024/01/msg00005.html"],"sourceUrl":"https://www.cve.org/CVERecord?id=CVE-2021-44879","license":"CVE Program Terms of Use","key":"cve-program:CVE-2021-44879","identifiers":["CVE-2021-44879"]},"retained":false,"historicalAffected":[]}],"coverage":[]}