CVE-2024-50299
Estado: ModificadaMedia (5.5)—
In the Linux kernel, the following vulnerability has been resolved:
sctp: properly validate chunk size in sctp_sf_ootb()
A size validation fix similar to that in Commit 50619dbf8db7 ("sctp: add size validation when walking chunks") is also required in sctp_sf_ootb() to address a crash reported by syzbot:
Detalles técnicos trazas, registros y código del informe original
BUG: KMSAN: uninit-value in 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 net/sctp/endpointola.c:407 sctp_inq_push+0x2ef/0x380 net/sctp/inqueue.c:88 sctp_rcv+0x3831/0x3b20 net/sctp/input.c:243 sctp4_rcv+0x42/0x50 net/sctp/protocol.c:1159 ip_protocol_deliver_rcu+0xb51/0x13d0 net/ipv4/ip_input.c:205 ip_local_deliver_finish+0x336/0x500 net/ipv4/ip_input.c:233
CVSS
- Versión: 3.1
- Vector: CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H
- Puntuación base: 5.5
Probabilidad de explotación (EPSS)
- Probabilidad de explotación en los próximos 30 días: 0.62%
- Percentil entre todas las CVEs puntuadas: 48
- Fecha de la puntuación: 5/10/2026
EPSS (Exploit Prediction Scoring System, de FIRST) estima la probabilidad de que una vulnerabilidad sea explotada en 30 días. Complementa a CVSS (impacto) y a CISA KEV (explotación confirmada).
Tecnologías afectadas (1)
CWE
- CWE-908
- CWE-908
Referencias
- https://git.kernel.org/stable/c/0ead60804b64f5bd6999eec88e503c6a1a242d41
- https://git.kernel.org/stable/c/40b283ba76665437bc2ac72079c51b57b25bff9e
- https://git.kernel.org/stable/c/67b9a278b80f71ec62091ded97c6bcbea33b5ec3
- https://git.kernel.org/stable/c/8820d2d6589f62ee5514793fff9b50c9f8101182
- https://git.kernel.org/stable/c/9b5d42aeaf1a52f73b003a33da6deef7df34685f
- https://git.kernel.org/stable/c/a758aa6a773bb872196bcc3173171ef8996bddf0
- https://git.kernel.org/stable/c/bf9bff13225baf5f658577f7d985fc4933d79527
- https://git.kernel.org/stable/c/d3fb3cc83cf313e4f87063ce0f3fea76b071567b
- https://lists.debian.org/debian-lts-announce/2025/01/msg00001.html
- https://lists.debian.org/debian-lts-announce/2025/03/msg00002.html
- https://cert-portal.siemens.com/productcert/html/ssa-265688.html
- https://cert-portal.siemens.com/productcert/html/ssa-355557.html
- https://cert-portal.siemens.com/productcert/html/ssa-398330.html
JSON original (NVD)
Mostrar
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"value": "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"
},
{
"lang": "es",
"value": "En el kernel de Linux, se ha resuelto la siguiente vulnerabilidad: sctp: validar correctamente el tamaño de los fragmentos en sctp_sf_ootb() También se requiere una corrección de validación de tamaño similar a la del Commit 50619dbf8db7 (\"sctp: agregar validación de tamaño 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"
}
],
"lastModified": "2026-08-04T11:21:43.497",
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