CVE-2022-50047

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Source
https://cve.org/CVERecord?id=CVE-2022-50047
Import Source
https://storage.googleapis.com/cve-osv-conversion/osv-output/CVE-2022-50047.json
JSON Data
https://api.osv.dev/v1/vulns/CVE-2022-50047
Downstream
Related
Published
2025-06-18T11:01:48.080Z
Modified
2026-04-03T13:14:36.987338033Z
Summary
net: dsa: mv88e6060: prevent crash on an unused port
Details

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, 'cpudp' is a null pointer and a crash happened on dereferencing it in mv88e6060setup_port():

[ 9.575872] Unable to handle kernel NULL pointer dereference at virtual address 00000014 ... [ 9.942216] mv88e6060setup from dsaregisterswitch+0x814/0xe84 [ 9.948616] dsaregisterswitch from mdioprobe+0x2c/0x54 [ 9.954433] mdioprobe from reallyprobe.part.0+0x98/0x2a0 [ 9.960375] reallyprobe.part.0 from driverprobedevice+0x30/0x10c [ 9.967029] driverprobe_device from __deviceattachdriver+0xb8/0x13c [ 9.973946] __deviceattachdriver from busforeachdrv+0x90/0xe0 [ 9.980509] busforeachdrv from __device_attach+0x110/0x184 [ 9.986632] _deviceattach from busprobedevice+0x8c/0x94 [ 9.992577] busprobedevice from deferredprobeworkfunc+0x78/0xa8 [ 9.999311] deferredprobeworkfunc from processonework+0x290/0x73c [ 10.006292] processonework from workerthread+0x30/0x4b8 [ 10.012155] workerthread from kthread+0xd4/0x10c [ 10.017238] kthread from retfromfork+0x14/0x3c

Database specific 
{
    "osv_generated_from": "https://github.com/CVEProject/cvelistV5/tree/main/cves/2022/50xxx/CVE-2022-50047.json",
    "cna_assigner": "Linux"
}
References

Affected packages

Git / git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git

Affected ranges

Type
GIT
Repo
https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git
Events
Introduced
0abfd494deefdbab66ac03c1181a614285e7d90c
Fixed
cb1753bc689c7a7f94da6eee7efc1ae6d8abb36c
Fixed
92dc64e8f591425ce4dabf7d479ebf6e67fb8853
Fixed
dd236b62d25e44ecfa26b0910a12f8d8251aff00
Fixed
f3a4b55829617cad2d36fa6524367ef629566ba6
Fixed
246bbf2f977ea36aaf41f5d24370fef433250728

Database specific

source 
"https://storage.googleapis.com/cve-osv-conversion/osv-output/CVE-2022-50047.json"