CVE-2022-50047
Estado: AnalizadaMedia (5.5)—
In the Linux kernel, the following vulnerability has been resolved:
net: dsa: mv88e6060: prevent crash on an unused port
If the port isn't a CPU port nor a user port, 'cpu_dp' is a null pointer and a crash happened on dereferencing it in mv88e6060_setup_port():
Detalles técnicos trazas, registros y código del informe original
[ 9.575872] Unable to handle kernel NULL pointer dereference at virtual address 00000014 ... [ 9.942216] mv88e6060_setup from dsa_register_switch+0x814/0xe84 [ 9.948616] dsa_register_switch from mdio_probe+0x2c/0x54 [ 9.954433] mdio_probe from really_probe.part.0+0x98/0x2a0 [ 9.960375] really_probe.part.0 from driver_probe_device+0x30/0x10c [ 9.967029] driver_probe_device from __device_attach_driver+0xb8/0x13c [ 9.973946] __device_attach_driver from bus_for_each_drv+0x90/0xe0 [ 9.980509] bus_for_each_drv from __device_attach+0x110/0x184 [ 9.986632] __device_attach from bus_probe_device+0x8c/0x94 [ 9.992577] bus_probe_device from deferred_probe_work_func+0x78/0xa8 [ 9.999311] deferred_probe_work_func from process_one_work+0x290/0x73c [ 10.006292] process_one_work from worker_thread+0x30/0x4b8 [ 10.012155] worker_thread from kthread+0xd4/0x10c [ 10.017238] kthread from ret_from_fork+0x14/0x3c
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: 0.19%
- Percentil entre todas las CVEs puntuadas: 8
- 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-476
Referencias
- https://git.kernel.org/stable/c/246bbf2f977ea36aaf41f5d24370fef433250728
- https://git.kernel.org/stable/c/92dc64e8f591425ce4dabf7d479ebf6e67fb8853
- https://git.kernel.org/stable/c/cb1753bc689c7a7f94da6eee7efc1ae6d8abb36c
- https://git.kernel.org/stable/c/dd236b62d25e44ecfa26b0910a12f8d8251aff00
- https://git.kernel.org/stable/c/f3a4b55829617cad2d36fa6524367ef629566ba6
JSON original (NVD)
Mostrar
{
"id": "CVE-2022-50047",
"cveTags": [],
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"source": "nvd@nist.gov",
"cvssData": {
"scope": "UNCHANGED",
"version": "3.1",
"baseScore": 5.5,
"attackVector": "LOCAL",
"baseSeverity": "MEDIUM",
"vectorString": "CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H",
"integrityImpact": "NONE",
"userInteraction": "NONE",
"attackComplexity": "LOW",
"availabilityImpact": "HIGH",
"privilegesRequired": "LOW",
"confidentialityImpact": "NONE"
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}
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{
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],
"programFiles": [
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],
"published": "2025-06-18T11:15:33.280",
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"weaknesses": [
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"type": "Primary",
"source": "nvd@nist.gov",
"description": [
{
"lang": "en",
"value": "CWE-476"
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}
],
"descriptions": [
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"lang": "en",
"value": "In the Linux kernel, the following vulnerability has been resolved:\n\nnet: dsa: mv88e6060: prevent crash on an unused port\n\nIf the port isn't a CPU port nor a user port, 'cpu_dp'\nis a null pointer and a crash happened on dereferencing\nit in mv88e6060_setup_port():\n\n[ 9.575872] Unable to handle kernel NULL pointer dereference at virtual address 00000014\n...\n[ 9.942216] mv88e6060_setup from dsa_register_switch+0x814/0xe84\n[ 9.948616] dsa_register_switch from mdio_probe+0x2c/0x54\n[ 9.954433] mdio_probe from really_probe.part.0+0x98/0x2a0\n[ 9.960375] really_probe.part.0 from driver_probe_device+0x30/0x10c\n[ 9.967029] driver_probe_device from __device_attach_driver+0xb8/0x13c\n[ 9.973946] __device_attach_driver from bus_for_each_drv+0x90/0xe0\n[ 9.980509] bus_for_each_drv from __device_attach+0x110/0x184\n[ 9.986632] __device_attach from bus_probe_device+0x8c/0x94\n[ 9.992577] bus_probe_device from deferred_probe_work_func+0x78/0xa8\n[ 9.999311] deferred_probe_work_func from process_one_work+0x290/0x73c\n[ 10.006292] process_one_work from worker_thread+0x30/0x4b8\n[ 10.012155] worker_thread from kthread+0xd4/0x10c\n[ 10.017238] kthread from ret_from_fork+0x14/0x3c"
},
{
"lang": "es",
"value": "En el kernel de Linux, se ha resuelto la siguiente vulnerabilidad: net: dsa: mv88e6060: evitar un fallo en un puerto no utilizado Si el puerto no es un puerto de CPU ni un puerto de usuario, 'cpu_dp' es un puntero nulo y se produjo un fallo al desreferenciarlo en mv88e6060_setup_port(): [ 9.575872] No se puede controlar la desreferencia del puntero NULL del kernel en la dirección virtual 00000014 ... [ 9.942216] mv88e6060_setup from dsa_register_switch+0x814/0xe84 [ 9.948616] dsa_register_switch from mdio_probe+0x2c/0x54 [ 9.954433] mdio_probe from really_probe.part.0+0x98/0x2a0 [ 9.960375] really_probe.part.0 from driver_probe_device+0x30/0x10c [ 9.967029] driver_probe_device from __device_attach_driver+0xb8/0x13c [ 9.973946] __device_attach_driver from bus_for_each_drv+0x90/0xe0 [ 9.980509] bus_for_each_drv from __device_attach+0x110/0x184 [ 9.986632] __device_attach from bus_probe_device+0x8c/0x94 [ 9.992577] bus_probe_device from deferred_probe_work_func+0x78/0xa8 [ 9.999311] deferred_probe_work_func from process_one_work+0x290/0x73c [ 10.006292] process_one_work from worker_thread+0x30/0x4b8 [ 10.012155] worker_thread from kthread+0xd4/0x10c [ 10.017238] kthread from ret_from_fork+0x14/0x3c"
}
],
"lastModified": "2026-06-17T05:22:38.173",
"configurations": [
{
"nodes": [
{
"negate": false,
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