{"id":"CVE-2024-53122","revision":"f59a62e853294ac588e45ff63ece899c","records":[{"revision":"f59a62e853294ac588e45ff63ece899c","observedAt":"2026-10-23T15:48:27.903+00:00","statement":{"source":"cve-program","id":"CVE-2024-53122","aliases":[],"title":"mptcp: cope racing subflow creation in mptcp_rcv_space_adjust","description":"In the Linux kernel, the following vulnerability has been resolved:\n\nmptcp: cope racing subflow creation in mptcp_rcv_space_adjust\n\nAdditional active subflows - i.e. created by the in kernel path\nmanager - are included into the subflow list before starting the\n3whs.\n\nA racing recvmsg() spooling data received on an already established\nsubflow would unconditionally call tcp_cleanup_rbuf() on all the\ncurrent subflows, potentially hitting a divide by zero error on\nthe newly created ones.\n\nExplicitly check that the subflow is in a suitable state before\ninvoking tcp_cleanup_rbuf().","state":0,"publishedAt":"2024-12-02T13:44:52.678+00:00","modifiedAt":"2026-10-15T21:41:45.824+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                        \"net/mptcp/protocol.c\"\n                    ],\n                    \"versions\": [\n                        {\n                            \"version\": \"c76c6956566f974bac2470bd72fc22fb923e04a1\",\n                            \"lessThan\": \"0a9a182ea5c7bb0374e527130fd85024ace7279b\",\n                            \"status\": \"affected\",\n                            \"versionType\": \"git\"\n                        },\n                        {\n                            \"version\": \"c76c6956566f974bac2470bd72fc22fb923e04a1\",\n                            \"lessThan\": \"24995851d58c4a205ad0ffa7b2f21e479a9c8527\",\n                            \"status\": \"affected\",\n                            \"versionType\": \"git\"\n                        },\n                        {\n                            \"version\": \"c76c6956566f974bac2470bd72fc22fb923e04a1\",\n                            \"lessThan\": \"ff825ab2f455299c0c7287550915a8878e2a66e0\",\n                            \"status\": \"affected\",\n                            \"versionType\": \"git\"\n                        },\n                        {\n                            \"version\": \"c76c6956566f974bac2470bd72fc22fb923e04a1\",\n                            \"lessThan\": \"aad6412c63baa39dd813e81f16a14d976b3de2e8\",\n                            \"status\": \"affected\",\n                            \"versionType\": \"git\"\n                        },\n                        {\n                            \"version\": \"c76c6956566f974bac2470bd72fc22fb923e04a1\",\n                            \"lessThan\": \"ce7356ae35943cc6494cc692e62d51a734062b7d\",\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                        \"net/mptcp/protocol.c\"\n                    ],\n                    \"versions\": [\n                        {\n                            \"version\": \"5.10\",\n                            \"status\": \"affected\"\n                        },\n                        {\n                            \"version\": \"0\",\n                            \"lessThan\": \"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\": \"6.1.119\",\n                            \"lessThanOrEqual\": \"6.1.*\",\n                            \"status\": \"unaffected\",\n                            \"versionType\": \"semver\"\n                        },\n                        {\n                            \"version\": \"6.6.63\",\n                            \"lessThanOrEqual\": \"6.6.*\",\n                            \"status\": \"unaffected\",\n                            \"versionType\": \"semver\"\n                        },\n                        {\n                            \"version\": \"6.11.10\",\n                            \"lessThanOrEqual\": \"6.11.*\",\n                            \"status\": \"unaffected\",\n                            \"versionType\": \"semver\"\n                        },\n                        {\n                            \"version\": \"6.12\",\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/0a9a182ea5c7bb0374e527130fd85024ace7279b","https://git.kernel.org/stable/c/24995851d58c4a205ad0ffa7b2f21e479a9c8527","https://git.kernel.org/stable/c/ff825ab2f455299c0c7287550915a8878e2a66e0","https://git.kernel.org/stable/c/aad6412c63baa39dd813e81f16a14d976b3de2e8","https://git.kernel.org/stable/c/ce7356ae35943cc6494cc692e62d51a734062b7d"],"sourceUrl":"https://www.cve.org/CVERecord?id=CVE-2024-53122","license":"CVE Program Terms of Use","key":"cve-program:CVE-2024-53122","identifiers":["CVE-2024-53122"]},"retained":false,"historicalAffected":[]}],"coverage":[]}