{"id":"CVE-2024-53122","summary":"mptcp: cope racing subflow creation in mptcp_rcv_space_adjust","details":"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().","modified":"2026-03-20T12:40:45.366363Z","published":"2024-12-02T13:44:52.678Z","related":["ALSA-2025:0059","ALSA-2025:0065","ALSA-2025:0066","MGASA-2024-0392","MGASA-2024-0393","SUSE-SU-2025:0117-1","SUSE-SU-2025:0153-1","SUSE-SU-2025:0154-1","SUSE-SU-2025:0201-1","SUSE-SU-2025:0201-2","SUSE-SU-2025:0229-1","SUSE-SU-2025:0289-1","SUSE-SU-2025:20165-1","SUSE-SU-2025:20166-1","SUSE-SU-2025:20248-1","SUSE-SU-2025:20249-1","USN-7276-1","USN-7277-1"],"database_specific":{"cna_assigner":"Linux","osv_generated_from":"https://github.com/CVEProject/cvelistV5/tree/main/cves/2024/53xxx/CVE-2024-53122.json"},"references":[{"type":"WEB","url":"https://git.kernel.org/stable/c/0a9a182ea5c7bb0374e527130fd85024ace7279b"},{"type":"WEB","url":"https://git.kernel.org/stable/c/24995851d58c4a205ad0ffa7b2f21e479a9c8527"},{"type":"WEB","url":"https://git.kernel.org/stable/c/aad6412c63baa39dd813e81f16a14d976b3de2e8"},{"type":"WEB","url":"https://git.kernel.org/stable/c/ce7356ae35943cc6494cc692e62d51a734062b7d"},{"type":"WEB","url":"https://git.kernel.org/stable/c/ff825ab2f455299c0c7287550915a8878e2a66e0"},{"type":"WEB","url":"https://lists.debian.org/debian-lts-announce/2025/01/msg00001.html"},{"type":"ADVISORY","url":"https://github.com/CVEProject/cvelistV5/tree/main/cves/2024/53xxx/CVE-2024-53122.json"},{"type":"ADVISORY","url":"https://nvd.nist.gov/vuln/detail/CVE-2024-53122"},{"type":"PACKAGE","url":"https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git"}],"affected":[{"ranges":[{"type":"GIT","repo":"https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git","events":[{"introduced":"c76c6956566f974bac2470bd72fc22fb923e04a1"},{"fixed":"0a9a182ea5c7bb0374e527130fd85024ace7279b"},{"fixed":"24995851d58c4a205ad0ffa7b2f21e479a9c8527"},{"fixed":"ff825ab2f455299c0c7287550915a8878e2a66e0"},{"fixed":"aad6412c63baa39dd813e81f16a14d976b3de2e8"},{"fixed":"ce7356ae35943cc6494cc692e62d51a734062b7d"}]}],"database_specific":{"source":"https://storage.googleapis.com/osv-test-cve-osv-conversion/osv-output/CVE-2024-53122.json"}}],"schema_version":"1.7.5"}