{"id":"CVE-2024-50299","title":"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 …","summary":"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 …","severity":"high","cvss":8.2,"cvssVector":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:N/A:H","cwe":["CWE-908"],"vendor":"linux","product":"linux_kernel","affected":["linux_kernel >= 2.6.12, < 4.19.324","linux_kernel >= 4.20, < 5.4.286","linux_kernel >= 5.5, < 5.10.230","linux_kernel >= 5.11, < 5.15.172","linux_kernel >= 5.16, < 6.1.117","linux_kernel >= 6.2, < 6.6.61","linux_kernel >= 6.7, < 6.11.8","linux_kernel = 6.12"],"patched":["linux_kernel 6.11.8"],"published":"2024-11-19","updated":"2026-10-15","sourceUpdated":"2026-10-15T01:19:11.507","source":"NVD","sourceUrl":"https://nvd.nist.gov/vuln/detail/CVE-2024-50299","references":[{"url":"https://git.kernel.org/stable/c/0ead60804b64f5bd6999eec88e503c6a1a242d41","label":"416baaa9-dc9f-4396-8d5f-8c081fb06d67"},{"url":"https://git.kernel.org/stable/c/40b283ba76665437bc2ac72079c51b57b25bff9e","label":"416baaa9-dc9f-4396-8d5f-8c081fb06d67"},{"url":"https://git.kernel.org/stable/c/67b9a278b80f71ec62091ded97c6bcbea33b5ec3","label":"416baaa9-dc9f-4396-8d5f-8c081fb06d67"},{"url":"https://git.kernel.org/stable/c/8820d2d6589f62ee5514793fff9b50c9f8101182","label":"416baaa9-dc9f-4396-8d5f-8c081fb06d67"},{"url":"https://git.kernel.org/stable/c/9b5d42aeaf1a52f73b003a33da6deef7df34685f","label":"416baaa9-dc9f-4396-8d5f-8c081fb06d67"},{"url":"https://git.kernel.org/stable/c/a758aa6a773bb872196bcc3173171ef8996bddf0","label":"416baaa9-dc9f-4396-8d5f-8c081fb06d67"},{"url":"https://git.kernel.org/stable/c/bf9bff13225baf5f658577f7d985fc4933d79527","label":"416baaa9-dc9f-4396-8d5f-8c081fb06d67"},{"url":"https://git.kernel.org/stable/c/d3fb3cc83cf313e4f87063ce0f3fea76b071567b","label":"416baaa9-dc9f-4396-8d5f-8c081fb06d67"},{"url":"https://lists.debian.org/debian-lts-announce/2025/01/msg00001.html","label":"af854a3a-2127-422b-91ae-364da2661108"},{"url":"https://lists.debian.org/debian-lts-announce/2025/03/msg00002.html","label":"af854a3a-2127-422b-91ae-364da2661108"},{"url":"https://cert-portal.siemens.com/productcert/html/ssa-265688.html","label":"0b142b55-0307-4c5a-b3c9-f314f3fb7c5e"},{"url":"https://cert-portal.siemens.com/productcert/html/ssa-355557.html","label":"0b142b55-0307-4c5a-b3c9-f314f3fb7c5e"},{"url":"https://cert-portal.siemens.com/productcert/html/ssa-398330.html","label":"0b142b55-0307-4c5a-b3c9-f314f3fb7c5e"}],"tags":["nvd","cve.org"],"epss":0.00623,"epssPercentile":0.49672,"ingestedAt":"2026-10-15T03:30:12.768Z","ssvc":{"exploitation":"none","automatable":"no","technicalImpact":"partial","timestamp":"2025-10-01T20:13:57.665904Z"},"slug":"CVE-2024-50299","body":"## Overview\n\nIn 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\n\n## Affected\n\n- `linux_kernel >= 2.6.12, < 4.19.324`\n- `linux_kernel >= 4.20, < 5.4.286`\n- `linux_kernel >= 5.5, < 5.10.230`\n- `linux_kernel >= 5.11, < 5.15.172`\n- `linux_kernel >= 5.16, < 6.1.117`\n- `linux_kernel >= 6.2, < 6.6.61`\n- `linux_kernel >= 6.7, < 6.11.8`\n- `linux_kernel = 6.12`\n\n## Remediation\n\nUpgrade past the affected range:\n\n- `linux_kernel 6.11.8`","depth":"twilight","depthScore":45,"depthScoreParts":{"impact":45.1,"likelihood":0.1,"exploitation":0,"ransomware":0},"changes":[]}