CVE-2022-50047

{"id": "CVE-2022-50047", "cveTags": [], "metrics": {"cvssMetricV31": [{"type": "Primary", "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"}, "impactScore": 3.6, "exploitabilityScore": 1.8}]}, "published": "2025-06-18T11:15:33.280", "references": [{"url": "https://git.kernel.org/stable/c/246bbf2f977ea36aaf41f5d24370fef433250728", "tags": ["Patch"], "source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67"}, {"url": "https://git.kernel.org/stable/c/92dc64e8f591425ce4dabf7d479ebf6e67fb8853", "tags": ["Patch"], "source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67"}, {"url": "https://git.kernel.org/stable/c/cb1753bc689c7a7f94da6eee7efc1ae6d8abb36c", "tags": ["Patch"], "source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67"}, {"url": "https://git.kernel.org/stable/c/dd236b62d25e44ecfa26b0910a12f8d8251aff00", "tags": ["Patch"], "source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67"}, {"url": "https://git.kernel.org/stable/c/f3a4b55829617cad2d36fa6524367ef629566ba6", "tags": ["Patch"], "source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67"}], "vulnStatus": "Analyzed", "weaknesses": [{"type": "Primary", "source": "nvd@nist.gov", "description": [{"lang": "en", "value": "CWE-476"}]}], "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"}, {"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 direcci\u00f3n 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": "2025-11-13T18:40:04.567", "configurations": [{"nodes": [{"negate": false, "cpeMatch": [{"criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*", "vulnerable": true, "matchCriteriaId": "709293C6-17C8-4A60-95A2-AE2776E2995D", "versionEndExcluding": "5.4.211", "versionStartIncluding": "4.15"}, {"criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*", "vulnerable": true, "matchCriteriaId": "445ACC04-A2BA-4176-B4C9-CA4AA59096D2", "versionEndExcluding": "5.10.138", "versionStartIncluding": "5.5"}, {"criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*", "vulnerable": true, "matchCriteriaId": "D5744A03-DA40-4A78-9063-13179361DC6D", "versionEndExcluding": "5.15.63", "versionStartIncluding": "5.11"}, {"criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*", "vulnerable": true, "matchCriteriaId": "0E669300-DA42-4ACD-86D8-68BE5F29FB88", "versionEndExcluding": "5.19.4", "versionStartIncluding": "5.16"}, {"criteria": "cpe:2.3:o:linux:linux_kernel:6.0:rc1:*:*:*:*:*:*", "vulnerable": true, "matchCriteriaId": "E8BD11A3-8643-49B6-BADE-5029A0117325"}], "operator": "OR"}]}], "sourceIdentifier": "416baaa9-dc9f-4396-8d5f-8c081fb06d67"}