CVE-2022-49013
Estado: AnalizadaMedia (5.5)—
In the Linux kernel, the following vulnerability has been resolved:
sctp: fix memory leak in sctp_stream_outq_migrate()
When sctp_stream_outq_migrate() is called to release stream out resources, the memory pointed to by prio_head in stream out is not released.
Detalles técnicos trazas, registros y código del informe original
The memory leak information is as follows:
unreferenced object 0xffff88801fe79f80 (size 64):
comm "sctp_repo", pid 7957, jiffies 4294951704 (age 36.480s)
hex dump (first 32 bytes):
80 9f e7 1f 80 88 ff ff 80 9f e7 1f 80 88 ff ff ................
90 9f e7 1f 80 88 ff ff 90 9f e7 1f 80 88 ff ff ................
backtrace:
[<ffffffff81b215c6>] kmalloc_trace+0x26/0x60
[<ffffffff88ae517c>] sctp_sched_prio_set+0x4cc/0x770
[<ffffffff88ad64f2>] sctp_stream_init_ext+0xd2/0x1b0
[<ffffffff88aa2604>] sctp_sendmsg_to_asoc+0x1614/0x1a30
[<ffffffff88ab7ff1>] sctp_sendmsg+0xda1/0x1ef0
[<ffffffff87f765ed>] inet_sendmsg+0x9d/0xe0
[<ffffffff8754b5b3>] sock_sendmsg+0xd3/0x120
[<ffffffff8755446a>] __sys_sendto+0x23a/0x340
[<ffffffff87554651>] __x64_sys_sendto+0xe1/0x1b0
[<ffffffff89978b49>] do_syscall_64+0x39/0xb0
[<ffffffff89a0008b>] entry_SYSCALL_64_after_hwframe+0x63/0xcdCVSS
- 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: 0.24%
- Percentil entre todas las CVEs puntuadas: 14
- Fecha de la puntuación: 6/10/2026
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-401
Referencias
- https://git.kernel.org/stable/c/0dfb9a566327182387c90100ea54d8426cee8c67
- https://git.kernel.org/stable/c/176ee6c673ccd118e9392fd2dbb165423bdb99ca
- https://git.kernel.org/stable/c/9ed7bfc79542119ac0a9e1ce8a2a5285e43433e9
- https://git.kernel.org/stable/c/a7555681e50bdebed2c40ff7404ee73c2e932993
- https://git.kernel.org/stable/c/fa20f88271259d42ebe66f0a8c4c20199e888c99
JSON original (NVD)
Mostrar
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"value": "In the Linux kernel, the following vulnerability has been resolved:\n\nsctp: fix memory leak in sctp_stream_outq_migrate()\n\nWhen sctp_stream_outq_migrate() is called to release stream out resources,\nthe memory pointed to by prio_head in stream out is not released.\n\nThe memory leak information is as follows:\n unreferenced object 0xffff88801fe79f80 (size 64):\n comm \"sctp_repo\", pid 7957, jiffies 4294951704 (age 36.480s)\n hex dump (first 32 bytes):\n 80 9f e7 1f 80 88 ff ff 80 9f e7 1f 80 88 ff ff ................\n 90 9f e7 1f 80 88 ff ff 90 9f e7 1f 80 88 ff ff ................\n backtrace:\n [<ffffffff81b215c6>] kmalloc_trace+0x26/0x60\n [<ffffffff88ae517c>] sctp_sched_prio_set+0x4cc/0x770\n [<ffffffff88ad64f2>] sctp_stream_init_ext+0xd2/0x1b0\n [<ffffffff88aa2604>] sctp_sendmsg_to_asoc+0x1614/0x1a30\n [<ffffffff88ab7ff1>] sctp_sendmsg+0xda1/0x1ef0\n [<ffffffff87f765ed>] inet_sendmsg+0x9d/0xe0\n [<ffffffff8754b5b3>] sock_sendmsg+0xd3/0x120\n [<ffffffff8755446a>] __sys_sendto+0x23a/0x340\n [<ffffffff87554651>] __x64_sys_sendto+0xe1/0x1b0\n [<ffffffff89978b49>] do_syscall_64+0x39/0xb0\n [<ffffffff89a0008b>] entry_SYSCALL_64_after_hwframe+0x63/0xcd"
},
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"lang": "es",
"value": "En el kernel de Linux, se ha resuelto la siguiente vulnerabilidad: sctp: se corrige la pérdida de memoria en sctp_stream_outq_migrate() Cuando se llama a sctp_stream_outq_migrate() para liberar recursos de salida de flujo, la memoria a la que apunta prio_head en salida de flujo no se libera. La información de pérdida de memoria es la siguiente: objeto sin referencia 0xffff88801fe79f80 (tamaño 64): comm \"sctp_repo\", pid 7957, jiffies 4294951704 (edad 36.480s) volcado hexadecimal (primeros 32 bytes): 80 9f e7 1f 80 88 ff ff 80 9f e7 1f 80 88 ff ff ................ 90 9f e7 1f 80 88 ff ff 90 9f e7 1f 80 88 ff ff ................ backtrace: [] kmalloc_trace+0x26/0x60 [] sctp_sched_prio_set+0x4cc/0x770 [] sctp_stream_init_ext+0xd2/0x1b0 [] sctp_sendmsg_to_asoc+0x1614/0x1a30 [] sctp_sendmsg+0xda1/0x1ef0 [] inet_sendmsg+0x9d/0xe0 [] sock_sendmsg+0xd3/0x120 [] __sys_sendto+0x23a/0x340 [] __x64_sys_sendto+0xe1/0x1b0 [] hacer_llamada_al_sistema_64+0x39/0xb0 [] entrada_LLAMADA_AL_SISTEMA_64_después_de_hwframe+0x63/0xcd"
}
],
"lastModified": "2026-06-17T05:16:50.983",
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