{"id":"CVE-2022-50047","summary":"net: dsa: mv88e6060: prevent crash on an unused port","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'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","modified":"2026-04-03T13:14:36.987338033Z","published":"2025-06-18T11:01:48.080Z","related":["SUSE-SU-2025:02264-1","SUSE-SU-2025:02321-1","SUSE-SU-2025:02322-1","SUSE-SU-2025:02537-1"],"database_specific":{"cna_assigner":"Linux","osv_generated_from":"https://github.com/CVEProject/cvelistV5/tree/main/cves/2022/50xxx/CVE-2022-50047.json"},"references":[{"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"},{"type":"ADVISORY","url":"https://github.com/CVEProject/cvelistV5/tree/main/cves/2022/50xxx/CVE-2022-50047.json"},{"type":"ADVISORY","url":"https://nvd.nist.gov/vuln/detail/CVE-2022-50047"},{"type":"PACKAGE","url":"https://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"}}],"schema_version":"1.7.5"}