ghsa-6259-v4q8-ghq3
Vulnerability from github
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():
[ 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
{
"affected": [],
"aliases": [
"CVE-2022-50047"
],
"database_specific": {
"cwe_ids": [
"CWE-476"
],
"github_reviewed": false,
"github_reviewed_at": null,
"nvd_published_at": "2025-06-18T11:15:33Z",
"severity": "MODERATE"
},
"details": "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\u0027t a CPU port nor a user port, \u0027cpu_dp\u0027\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",
"id": "GHSA-6259-v4q8-ghq3",
"modified": "2025-11-13T21:31:18Z",
"published": "2025-06-18T12:30:44Z",
"references": [
{
"type": "ADVISORY",
"url": "https://nvd.nist.gov/vuln/detail/CVE-2022-50047"
},
{
"type": "WEB",
"url": "https://git.kernel.org/stable/c/246bbf2f977ea36aaf41f5d24370fef433250728"
},
{
"type": "WEB",
"url": "https://git.kernel.org/stable/c/92dc64e8f591425ce4dabf7d479ebf6e67fb8853"
},
{
"type": "WEB",
"url": "https://git.kernel.org/stable/c/cb1753bc689c7a7f94da6eee7efc1ae6d8abb36c"
},
{
"type": "WEB",
"url": "https://git.kernel.org/stable/c/dd236b62d25e44ecfa26b0910a12f8d8251aff00"
},
{
"type": "WEB",
"url": "https://git.kernel.org/stable/c/f3a4b55829617cad2d36fa6524367ef629566ba6"
}
],
"schema_version": "1.4.0",
"severity": [
{
"score": "CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H",
"type": "CVSS_V3"
}
]
}
Sightings
| Author | Source | Type | Date |
|---|
Nomenclature
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- Confirmed: The vulnerability is confirmed from an analyst perspective.
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- Not patched: This vulnerability was not successfully patched by the user reporting the sighting.