{"id":"CVE-2024-53217","revision":"72d2ce56e08a4523ae9f9c1d56cc9bdc","records":[{"revision":"72d2ce56e08a4523ae9f9c1d56cc9bdc","observedAt":"2026-10-23T15:48:27.903+00:00","statement":{"source":"cve-program","id":"CVE-2024-53217","aliases":[],"title":"NFSD: Prevent NULL dereference in nfsd4_process_cb_update()","description":"In the Linux kernel, the following vulnerability has been resolved:\n\nNFSD: Prevent NULL dereference in nfsd4_process_cb_update()\n\n@ses is initialized to NULL. If __nfsd4_find_backchannel() finds no\navailable backchannel session, setup_callback_client() will try to\ndereference @ses and segfault.","state":0,"publishedAt":"2024-12-27T13:50:02.727+00:00","modifiedAt":"2026-10-15T00:59:09.997+00:00","affected":[{"ecosystem":"Vendor product","name":"Linux","ranges":[],"versions":[],"rawVersionEvidence":"{\n                    \"product\": \"Linux\",\n                    \"vendor\": \"Linux\",\n                    \"defaultStatus\": \"unaffected\",\n                    \"repo\": \"https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git\",\n                    \"programFiles\": [\n                        \"fs/nfsd/nfs4callback.c\"\n                    ],\n                    \"versions\": [\n                        {\n                            \"version\": \"dcbeaa68dbbdacbbb330a86c7fc95a28473fc209\",\n                            \"lessThan\": \"d9a0d1f6e15859ea7a86a327f28491e23deaaa62\",\n                            \"status\": \"affected\",\n                            \"versionType\": \"git\"\n                        },\n                        {\n                            \"version\": \"dcbeaa68dbbdacbbb330a86c7fc95a28473fc209\",\n                            \"lessThan\": \"cac1405e3ff6685a438e910ad719e0cf06af90ee\",\n                            \"status\": \"affected\",\n                            \"versionType\": \"git\"\n                        },\n                        {\n                            \"version\": \"dcbeaa68dbbdacbbb330a86c7fc95a28473fc209\",\n                            \"lessThan\": \"752a75811f27300fe8131b0a1efc91960f6f88e7\",\n                            \"status\": \"affected\",\n                            \"versionType\": \"git\"\n                        },\n                        {\n                            \"version\": \"dcbeaa68dbbdacbbb330a86c7fc95a28473fc209\",\n                            \"lessThan\": \"c5d90f9302742985a5078e42ac38de42c364c44a\",\n                            \"status\": \"affected\",\n                            \"versionType\": \"git\"\n                        },\n                        {\n                            \"version\": \"dcbeaa68dbbdacbbb330a86c7fc95a28473fc209\",\n                            \"lessThan\": \"0c3b0e326f838787d229314d4de83af9c53347e8\",\n                            \"status\": \"affected\",\n                            \"versionType\": \"git\"\n                        },\n                        {\n                            \"version\": \"dcbeaa68dbbdacbbb330a86c7fc95a28473fc209\",\n                            \"lessThan\": \"eb51733ae5fc73d95bd857d5da26f9f65b202a79\",\n                            \"status\": \"affected\",\n                            \"versionType\": \"git\"\n                        },\n                        {\n                            \"version\": \"dcbeaa68dbbdacbbb330a86c7fc95a28473fc209\",\n                            \"lessThan\": \"03178cd8f67227015debb700123987fe96275cd1\",\n                            \"status\": \"affected\",\n                            \"versionType\": \"git\"\n                        },\n                        {\n                            \"version\": \"dcbeaa68dbbdacbbb330a86c7fc95a28473fc209\",\n                            \"lessThan\": \"4a4ffc1aa9d618e41ad9151f40966e402e58a5a2\",\n                            \"status\": \"affected\",\n                            \"versionType\": \"git\"\n                        },\n                        {\n                            \"version\": \"dcbeaa68dbbdacbbb330a86c7fc95a28473fc209\",\n                            \"lessThan\": \"1e02c641c3a43c88cecc08402000418e15578d38\",\n                            \"status\": \"affected\",\n                            \"versionType\": \"git\"\n                        }\n                    ]\n                }"},{"ecosystem":"Vendor product","name":"Linux","ranges":[],"versions":[],"rawVersionEvidence":"{\n                    \"product\": \"Linux\",\n                    \"vendor\": \"Linux\",\n                    \"defaultStatus\": \"affected\",\n                    \"repo\": \"https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git\",\n                    \"programFiles\": [\n                        \"fs/nfsd/nfs4callback.c\"\n                    ],\n                    \"versions\": [\n                        {\n                            \"version\": \"2.6.38\",\n                            \"status\": \"affected\"\n                        },\n                        {\n                            \"version\": \"0\",\n                            \"lessThan\": \"2.6.38\",\n                            \"status\": \"unaffected\",\n                            \"versionType\": \"semver\"\n                        },\n                        {\n                            \"version\": \"4.19.325\",\n                            \"lessThanOrEqual\": \"4.19.*\",\n                            \"status\": \"unaffected\",\n                            \"versionType\": \"semver\"\n                        },\n                        {\n                            \"version\": \"5.4.287\",\n                            \"lessThanOrEqual\": \"5.4.*\",\n                            \"status\": \"unaffected\",\n                            \"versionType\": \"semver\"\n                        },\n                        {\n                            \"version\": \"5.10.231\",\n                            \"lessThanOrEqual\": \"5.10.*\",\n                            \"status\": \"unaffected\",\n                            \"versionType\": \"semver\"\n                        },\n                        {\n                            \"version\": \"5.15.174\",\n                            \"lessThanOrEqual\": \"5.15.*\",\n                            \"status\": \"unaffected\",\n                            \"versionType\": \"semver\"\n                        },\n                        {\n                            \"version\": \"6.1.120\",\n                            \"lessThanOrEqual\": \"6.1.*\",\n                            \"status\": \"unaffected\",\n                            \"versionType\": \"semver\"\n                        },\n                        {\n                            \"version\": \"6.6.64\",\n                            \"lessThanOrEqual\": \"6.6.*\",\n                            \"status\": \"unaffected\",\n                            \"versionType\": \"semver\"\n                        },\n                        {\n                            \"version\": \"6.11.11\",\n                            \"lessThanOrEqual\": \"6.11.*\",\n                            \"status\": \"unaffected\",\n                            \"versionType\": \"semver\"\n                        },\n                        {\n                            \"version\": \"6.12.2\",\n                            \"lessThanOrEqual\": \"6.12.*\",\n                            \"status\": \"unaffected\",\n                            \"versionType\": \"semver\"\n                        },\n                        {\n                            \"version\": \"6.13\",\n                            \"lessThanOrEqual\": \"*\",\n                            \"status\": \"unaffected\",\n                            \"versionType\": \"original_commit_for_fix\"\n                        }\n                    ]\n                }"}],"metrics":[{"system":"CVSS 3.1","vector":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H","score":7.5,"severity":"HIGH"}],"references":["https://git.kernel.org/stable/c/d9a0d1f6e15859ea7a86a327f28491e23deaaa62","https://git.kernel.org/stable/c/cac1405e3ff6685a438e910ad719e0cf06af90ee","https://git.kernel.org/stable/c/752a75811f27300fe8131b0a1efc91960f6f88e7","https://git.kernel.org/stable/c/c5d90f9302742985a5078e42ac38de42c364c44a","https://git.kernel.org/stable/c/0c3b0e326f838787d229314d4de83af9c53347e8","https://git.kernel.org/stable/c/eb51733ae5fc73d95bd857d5da26f9f65b202a79","https://git.kernel.org/stable/c/03178cd8f67227015debb700123987fe96275cd1","https://git.kernel.org/stable/c/4a4ffc1aa9d618e41ad9151f40966e402e58a5a2","https://git.kernel.org/stable/c/1e02c641c3a43c88cecc08402000418e15578d38"],"sourceUrl":"https://www.cve.org/CVERecord?id=CVE-2024-53217","license":"CVE Program Terms of Use","key":"cve-program:CVE-2024-53217","identifiers":["CVE-2024-53217"]},"retained":false,"historicalAffected":[]}],"coverage":[]}