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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"}, {"lang": "es", "value": "En el kernel de Linux, se ha resuelto la siguiente vulnerabilidad: sctp: validar correctamente el tama\u00f1o de los fragmentos en sctp_sf_ootb() Tambi\u00e9n se requiere una correcci\u00f3n de validaci\u00f3n de tama\u00f1o similar a la del Commit 50619dbf8db7 (\"sctp: agregar validaci\u00f3n de tama\u00f1o al recorrer fragmentos\") en sctp_sf_ootb() para abordar un fallo informado por syzbot: ERROR: KMSAN: valor no inicializado en sctp_sf_ootb+0x7f5/0xce0 net/sctp/sm_statefuns.c:3712 sctp_sf_ootb+0x7f5/0xce0 net/sctp/sm_statefuns.c:3712 sctp_do_sm+0x181/0x93d0 net/sctp/sm_sideeffect.c:1166 sctp_endpoint_bh_rcv+0xc38/0xf90 red/sctp/endpointola.c:407 sctp_inq_push+0x2ef/0x380 red/sctp/inqueue.c:88 sctp_rcv+0x3831/0x3b20 red/sctp/input.c:243 sctp4_rcv+0x42/0x50 red/sctp/protocol.c:1159 ip_protocol_deliver_rcu+0xb51/0x13d0 red/ipv4/ip_input.c:205 ip_local_deliver_finish+0x336/0x500 red/ipv4/ip_input.c:233"}], "id": "CVE-2024-50299", "lastModified": "2025-11-03T23:17:12.457", "metrics": {"cvssMetricV31": [{"cvssData": {"attackComplexity": "LOW", "attackVector": "LOCAL", "availabilityImpact": "HIGH", "baseScore": 5.5, "baseSeverity": "MEDIUM", "confidentialityImpact": "NONE", "integrityImpact": "NONE", "privilegesRequired": "LOW", "scope": "UNCHANGED", "userInteraction": "NONE", "vectorString": "CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H", "version": "3.1"}, "exploitabilityScore": 1.8, "impactScore": 3.6, "source": "nvd@nist.gov", "type": "Primary"}, {"cvssData": {"attackComplexity": "LOW", "attackVector": "LOCAL", "availabilityImpact": "HIGH", "baseScore": 5.5, "baseSeverity": "MEDIUM", "confidentialityImpact": "NONE", "integrityImpact": "NONE", "privilegesRequired": "LOW", "scope": "UNCHANGED", "userInteraction": "NONE", "vectorString": "CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H", "version": "3.1"}, "exploitabilityScore": 1.8, "impactScore": 3.6, "source": "134c704f-9b21-4f2e-91b3-4a467353bcc0", "type": "Secondary"}]}, "published": "2024-11-19T02:16:32.053", "references": [{"source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "tags": ["Patch"], "url": "https://git.kernel.org/stable/c/0ead60804b64f5bd6999eec88e503c6a1a242d41"}, {"source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "tags": ["Patch"], "url": "https://git.kernel.org/stable/c/40b283ba76665437bc2ac72079c51b57b25bff9e"}, {"source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "tags": ["Patch"], "url": "https://git.kernel.org/stable/c/67b9a278b80f71ec62091ded97c6bcbea33b5ec3"}, {"source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "tags": ["Patch"], "url": "https://git.kernel.org/stable/c/8820d2d6589f62ee5514793fff9b50c9f8101182"}, {"source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "tags": ["Patch"], "url": "https://git.kernel.org/stable/c/9b5d42aeaf1a52f73b003a33da6deef7df34685f"}, {"source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "tags": ["Patch"], "url": "https://git.kernel.org/stable/c/a758aa6a773bb872196bcc3173171ef8996bddf0"}, {"source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "tags": ["Patch"], "url": "https://git.kernel.org/stable/c/bf9bff13225baf5f658577f7d985fc4933d79527"}, {"source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "tags": ["Patch"], "url": "https://git.kernel.org/stable/c/d3fb3cc83cf313e4f87063ce0f3fea76b071567b"}, {"source": "af854a3a-2127-422b-91ae-364da2661108", "url": "https://lists.debian.org/debian-lts-announce/2025/01/msg00001.html"}, {"source": "af854a3a-2127-422b-91ae-364da2661108", "url": "https://lists.debian.org/debian-lts-announce/2025/03/msg00002.html"}], "sourceIdentifier": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "vulnStatus": "Modified", "weaknesses": [{"description": [{"lang": "en", "value": "CWE-908"}], "source": "nvd@nist.gov", "type": "Primary"}, {"description": [{"lang": "en", "value": "CWE-908"}], "source": "134c704f-9b21-4f2e-91b3-4a467353bcc0", "type": "Secondary"}]}

{"affected_release": [{"advisory": "RHSA-2025:6966", "cpe": "cpe:/a:redhat:enterprise_linux:9", "package": "kernel-0:5.14.0-570.12.1.el9_6", "product_name": "Red Hat Enterprise Linux 9", "release_date": "2025-05-13T00:00:00Z"}, {"advisory": "RHSA-2025:6966", "cpe": "cpe:/o:redhat:enterprise_linux:9", "package": "kernel-0:5.14.0-570.12.1.el9_6", "product_name": "Red Hat Enterprise Linux 9", "release_date": "2025-05-13T00:00:00Z"}], "bugzilla": {"description": "kernel: sctp: properly validate chunk size in sctp_sf_ootb()", "id": "2327194", "url": "https://bugzilla.redhat.com/show_bug.cgi?id=2327194"}, "csaw": false, "cvss3": {"cvss3_base_score": "5.5", "cvss3_scoring_vector": "CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H", "status": "verified"}, "cwe": "CWE-908", "details": ["In the Linux kernel, the following vulnerability has been resolved:\nsctp: properly validate chunk size in sctp_sf_ootb()\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:\nBUG: KMSAN: uninit-value in sctp_sf_ootb+0x7f5/0xce0 net/sctp/sm_statefuns.c:3712\nsctp_sf_ootb+0x7f5/0xce0 net/sctp/sm_statefuns.c:3712\nsctp_do_sm+0x181/0x93d0 net/sctp/sm_sideeffect.c:1166\nsctp_endpoint_bh_rcv+0xc38/0xf90 net/sctp/endpointola.c:407\nsctp_inq_push+0x2ef/0x380 net/sctp/inqueue.c:88\nsctp_rcv+0x3831/0x3b20 net/sctp/input.c:243\nsctp4_rcv+0x42/0x50 net/sctp/protocol.c:1159\nip_protocol_deliver_rcu+0xb51/0x13d0 net/ipv4/ip_input.c:205\nip_local_deliver_finish+0x336/0x500 net/ipv4/ip_input.c:233"], "name": "CVE-2024-50299", "package_state": [{"cpe": "cpe:/o:redhat:enterprise_linux:6", "fix_state": "Out of support scope", "package_name": "kernel", "product_name": "Red Hat Enterprise Linux 6"}, {"cpe": "cpe:/o:redhat:enterprise_linux:7", "fix_state": "Out of support scope", "package_name": "kernel", "product_name": "Red Hat Enterprise Linux 7"}, {"cpe": "cpe:/o:redhat:enterprise_linux:7", "fix_state": "Out of support scope", "package_name": "kernel-rt", "product_name": "Red Hat Enterprise Linux 7"}, {"cpe": "cpe:/o:redhat:enterprise_linux:8", "fix_state": "Will not fix", "package_name": "kernel", "product_name": "Red Hat Enterprise Linux 8"}, {"cpe": "cpe:/o:redhat:enterprise_linux:8", "fix_state": "Will not fix", "package_name": "kernel-rt", "product_name": "Red Hat Enterprise Linux 8"}, {"cpe": "cpe:/o:redhat:enterprise_linux:9", "fix_state": "Affected", "package_name": "kernel-rt", "product_name": "Red Hat Enterprise Linux 9"}], "public_date": "2024-11-19T00:00:00Z", "references": ["https://www.cve.org/CVERecord?id=CVE-2024-50299\nhttps://nvd.nist.gov/vuln/detail/CVE-2024-50299\nhttps://lore.kernel.org/linux-cve-announce/2024111904-CVE-2024-50299-795d@gregkh/T"], "threat_severity": "Moderate"}

{}