{"id":"CVE-2022-50047","state":"PUBLISHED","title":"net: dsa: mv88e6060: prevent crash on an unused port","description":"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","publishedAt":"2025-06-18T11:01:48.080Z","updatedAt":"2026-05-11T19:11:49.306Z","severity":null,"assigner":"Linux","products":["Linux Linux"],"affected":[{"vendor":"Linux","product":"Linux","defaultStatus":"unaffected","versions":[{"version":"0abfd494deefdbab66ac03c1181a614285e7d90c","status":"affected","lessThan":"cb1753bc689c7a7f94da6eee7efc1ae6d8abb36c","versionType":"git"},{"version":"0abfd494deefdbab66ac03c1181a614285e7d90c","status":"affected","lessThan":"92dc64e8f591425ce4dabf7d479ebf6e67fb8853","versionType":"git"},{"version":"0abfd494deefdbab66ac03c1181a614285e7d90c","status":"affected","lessThan":"dd236b62d25e44ecfa26b0910a12f8d8251aff00","versionType":"git"},{"version":"0abfd494deefdbab66ac03c1181a614285e7d90c","status":"affected","lessThan":"f3a4b55829617cad2d36fa6524367ef629566ba6","versionType":"git"},{"version":"0abfd494deefdbab66ac03c1181a614285e7d90c","status":"affected","lessThan":"246bbf2f977ea36aaf41f5d24370fef433250728","versionType":"git"}],"repo":"https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git","programFiles":["drivers/net/dsa/mv88e6060.c"]},{"vendor":"Linux","product":"Linux","defaultStatus":"affected","versions":[{"version":"4.15","status":"affected"},{"version":"0","status":"unaffected","lessThan":"4.15","versionType":"semver"},{"version":"5.4.211","status":"unaffected","lessThanOrEqual":"5.4.*","versionType":"semver"},{"version":"5.10.138","status":"unaffected","lessThanOrEqual":"5.10.*","versionType":"semver"},{"version":"5.15.63","status":"unaffected","lessThanOrEqual":"5.15.*","versionType":"semver"},{"version":"5.19.4","status":"unaffected","lessThanOrEqual":"5.19.*","versionType":"semver"},{"version":"6.0","status":"unaffected","lessThanOrEqual":"*","versionType":"original_commit_for_fix"}],"repo":"https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git","programFiles":["drivers/net/dsa/mv88e6060.c"]}],"references":["https://git.kernel.org/stable/c/cb1753bc689c7a7f94da6eee7efc1ae6d8abb36c","https://git.kernel.org/stable/c/92dc64e8f591425ce4dabf7d479ebf6e67fb8853","https://git.kernel.org/stable/c/dd236b62d25e44ecfa26b0910a12f8d8251aff00","https://git.kernel.org/stable/c/f3a4b55829617cad2d36fa6524367ef629566ba6","https://git.kernel.org/stable/c/246bbf2f977ea36aaf41f5d24370fef433250728"],"weaknesses":[],"ingestedAt":"2026-10-29T20:05:26.763Z","source":{"repository":"CVEProject/cvelistV5","path":"cves/2022/50xxx/CVE-2022-50047.json","commit":"556c9d3a8cd17e218bb8e452ba7cd619a384ff47"},"raw":{"dataType":"CVE_RECORD","dataVersion":"5.2","cveMetadata":{"cveId":"CVE-2022-50047","state":"PUBLISHED","datePublished":"2025-06-18T11:01:48.080Z","dateUpdated":"2026-05-11T19:11:49.306Z","assignerShortName":"Linux","assignerOrgId":"416baaa9-dc9f-4396-8d5f-8c081fb06d67","dateReserved":"2025-06-18T10:57:27.402Z"},"containers":{"cna":{"title":"net: dsa: mv88e6060: prevent crash on an unused port","descriptions":[{"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"}],"affected":[{"vendor":"Linux","product":"Linux","defaultStatus":"unaffected","versions":[{"version":"0abfd494deefdbab66ac03c1181a614285e7d90c","status":"affected","lessThan":"cb1753bc689c7a7f94da6eee7efc1ae6d8abb36c","versionType":"git"},{"version":"0abfd494deefdbab66ac03c1181a614285e7d90c","status":"affected","lessThan":"92dc64e8f591425ce4dabf7d479ebf6e67fb8853","versionType":"git"},{"version":"0abfd494deefdbab66ac03c1181a614285e7d90c","status":"affected","lessThan":"dd236b62d25e44ecfa26b0910a12f8d8251aff00","versionType":"git"},{"version":"0abfd494deefdbab66ac03c1181a614285e7d90c","status":"affected","lessThan":"f3a4b55829617cad2d36fa6524367ef629566ba6","versionType":"git"},{"version":"0abfd494deefdbab66ac03c1181a614285e7d90c","status":"affected","lessThan":"246bbf2f977ea36aaf41f5d24370fef433250728","versionType":"git"}],"repo":"https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git","programFiles":["drivers/net/dsa/mv88e6060.c"]},{"vendor":"Linux","product":"Linux","defaultStatus":"affected","versions":[{"version":"4.15","status":"affected"},{"version":"0","status":"unaffected","lessThan":"4.15","versionType":"semver"},{"version":"5.4.211","status":"unaffected","lessThanOrEqual":"5.4.*","versionType":"semver"},{"version":"5.10.138","status":"unaffected","lessThanOrEqual":"5.10.*","versionType":"semver"},{"version":"5.15.63","status":"unaffected","lessThanOrEqual":"5.15.*","versionType":"semver"},{"version":"5.19.4","status":"unaffected","lessThanOrEqual":"5.19.*","versionType":"semver"},{"version":"6.0","status":"unaffected","lessThanOrEqual":"*","versionType":"original_commit_for_fix"}],"repo":"https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git","programFiles":["drivers/net/dsa/mv88e6060.c"]}],"references":[{"url":"https://git.kernel.org/stable/c/cb1753bc689c7a7f94da6eee7efc1ae6d8abb36c"},{"url":"https://git.kernel.org/stable/c/92dc64e8f591425ce4dabf7d479ebf6e67fb8853"},{"url":"https://git.kernel.org/stable/c/dd236b62d25e44ecfa26b0910a12f8d8251aff00"},{"url":"https://git.kernel.org/stable/c/f3a4b55829617cad2d36fa6524367ef629566ba6"},{"url":"https://git.kernel.org/stable/c/246bbf2f977ea36aaf41f5d24370fef433250728"}],"providerMetadata":{"shortName":"Linux","orgId":"416baaa9-dc9f-4396-8d5f-8c081fb06d67","dateUpdated":"2026-05-11T19:11:49.306Z"},"cpeApplicability":[{"nodes":[{"operator":"OR","negate":false,"cpeMatch":[{"vulnerable":true,"criteria":"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*","versionStartIncluding":"4.15","versionEndExcluding":"5.4.211"},{"vulnerable":true,"criteria":"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*","versionStartIncluding":"4.15","versionEndExcluding":"5.10.138"},{"vulnerable":true,"criteria":"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*","versionStartIncluding":"4.15","versionEndExcluding":"5.15.63"},{"vulnerable":true,"criteria":"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*","versionStartIncluding":"4.15","versionEndExcluding":"5.19.4"},{"vulnerable":true,"criteria":"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*","versionStartIncluding":"4.15","versionEndExcluding":"6.0"}]}]}],"x_generator":{"engine":"bippy-1.2.0"}}}}}