{"id":"CVE-2024-50299","summary":"sctp: properly validate chunk size in sctp_sf_ootb()","details":"In the Linux kernel, the following vulnerability has been resolved:\n\nsctp: properly validate chunk size in sctp_sf_ootb()\n\nA size validation fix similar to that in Commit 50619dbf8db7 (\"sctp: add\nsize validation when walking chunks\") is also required in sctp_sf_ootb()\nto address a crash reported by syzbot:\n\n  BUG: KMSAN: uninit-value in sctp_sf_ootb+0x7f5/0xce0 net/sctp/sm_statefuns.c:3712\n  sctp_sf_ootb+0x7f5/0xce0 net/sctp/sm_statefuns.c:3712\n  sctp_do_sm+0x181/0x93d0 net/sctp/sm_sideeffect.c:1166\n  sctp_endpoint_bh_rcv+0xc38/0xf90 net/sctp/endpointola.c:407\n  sctp_inq_push+0x2ef/0x380 net/sctp/inqueue.c:88\n  sctp_rcv+0x3831/0x3b20 net/sctp/input.c:243\n  sctp4_rcv+0x42/0x50 net/sctp/protocol.c:1159\n  ip_protocol_deliver_rcu+0xb51/0x13d0 net/ipv4/ip_input.c:205\n  ip_local_deliver_finish+0x336/0x500 net/ipv4/ip_input.c:233","modified":"2026-04-02T12:21:23.209174Z","published":"2024-11-19T01:30:47.362Z","related":["SUSE-SU-2025:0236-1","SUSE-SU-2025:0289-1","SUSE-SU-2025:0428-1","SUSE-SU-2025:0499-1","SUSE-SU-2025:0556-1","SUSE-SU-2025:0557-1","SUSE-SU-2025:0577-1","SUSE-SU-2025:0577-2","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":{"osv_generated_from":"https://github.com/CVEProject/cvelistV5/tree/main/cves/2024/50xxx/CVE-2024-50299.json","cna_assigner":"Linux"},"references":[{"type":"WEB","url":"https://git.kernel.org/stable/c/0ead60804b64f5bd6999eec88e503c6a1a242d41"},{"type":"WEB","url":"https://git.kernel.org/stable/c/40b283ba76665437bc2ac72079c51b57b25bff9e"},{"type":"WEB","url":"https://git.kernel.org/stable/c/67b9a278b80f71ec62091ded97c6bcbea33b5ec3"},{"type":"WEB","url":"https://git.kernel.org/stable/c/8820d2d6589f62ee5514793fff9b50c9f8101182"},{"type":"WEB","url":"https://git.kernel.org/stable/c/9b5d42aeaf1a52f73b003a33da6deef7df34685f"},{"type":"WEB","url":"https://git.kernel.org/stable/c/a758aa6a773bb872196bcc3173171ef8996bddf0"},{"type":"WEB","url":"https://git.kernel.org/stable/c/bf9bff13225baf5f658577f7d985fc4933d79527"},{"type":"WEB","url":"https://git.kernel.org/stable/c/d3fb3cc83cf313e4f87063ce0f3fea76b071567b"},{"type":"WEB","url":"https://lists.debian.org/debian-lts-announce/2025/01/msg00001.html"},{"type":"WEB","url":"https://lists.debian.org/debian-lts-announce/2025/03/msg00002.html"},{"type":"ADVISORY","url":"https://github.com/CVEProject/cvelistV5/tree/main/cves/2024/50xxx/CVE-2024-50299.json"},{"type":"ADVISORY","url":"https://nvd.nist.gov/vuln/detail/CVE-2024-50299"},{"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":"1da177e4c3f41524e886b7f1b8a0c1fc7321cac2"},{"fixed":"67b9a278b80f71ec62091ded97c6bcbea33b5ec3"},{"fixed":"9b5d42aeaf1a52f73b003a33da6deef7df34685f"},{"fixed":"40b283ba76665437bc2ac72079c51b57b25bff9e"},{"fixed":"a758aa6a773bb872196bcc3173171ef8996bddf0"},{"fixed":"bf9bff13225baf5f658577f7d985fc4933d79527"},{"fixed":"d3fb3cc83cf313e4f87063ce0f3fea76b071567b"},{"fixed":"8820d2d6589f62ee5514793fff9b50c9f8101182"},{"fixed":"0ead60804b64f5bd6999eec88e503c6a1a242d41"}]}],"database_specific":{"source":"https://storage.googleapis.com/cve-osv-conversion/osv-output/CVE-2024-50299.json"}}],"schema_version":"1.7.5","severity":[{"type":"CVSS_V3","score":"CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H"}]}