CVE-2023-53071

{"id": "CVE-2023-53071", "cveTags": [], "metrics": {"cvssMetricV31": [{"type": "Primary", "source": "[email protected]", "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": "2025-05-02T16:15:26.140", "references": [{"url": "https://git.kernel.org/stable/c/2d34f27714c97a9786a30b3bb54944d6d8ed612f", "tags": ["Patch"], "source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67"}, {"url": "https://git.kernel.org/stable/c/41130c32f3a18fcc930316da17f3a5f3bc326aa1", "tags": ["Patch"], "source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67"}, {"url": "https://git.kernel.org/stable/c/dffe86df26aee01a5fc56a175b7a7f157961e370", "tags": ["Patch"], "source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67"}], "vulnStatus": "Analyzed", "weaknesses": [{"type": "Primary", "source": "[email protected]", "description": [{"lang": "en", "value": "CWE-476"}]}], "descriptions": [{"lang": "en", "value": "In the Linux kernel, the following vulnerability has been resolved:\n\nwifi: mt76: do not run mt76_unregister_device() on unregistered hw\n\nTrying to probe a mt7921e pci card without firmware results in a\nsuccessful probe where ieee80211_register_hw hasn't been called. When\nremoving the driver, ieee802111_unregister_hw is called unconditionally\nleading to a kernel NULL pointer dereference.\nFix the issue running mt76_unregister_device routine just for registered\nhw."}, {"lang": "es", "value": "En el kernel de Linux, se ha resuelto la siguiente vulnerabilidad: wifi: mt76: no ejecutar mt76_unregister_device() en hardware no registrado. Al intentar sondear una tarjeta PCI mt7921e sin firmware, se obtiene un sondeo exitoso donde no se ha llamado a ieee80211_register_hw. Al desinstalar el controlador, se llama a ieee802111_unregister_hw incondicionalmente, lo que provoca una desreferencia de puntero nulo en el kernel. Se solucion\u00f3 el problema al ejecutar la rutina mt76_unregister_device solo para hardware registrado."}], "lastModified": "2025-11-12T20:50:48.627", "configurations": [{"nodes": [{"negate": false, "cpeMatch": [{"criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*", "vulnerable": true, "matchCriteriaId": "F61A7CD6-359A-4A6B-8E7A-D0876BDC43AF", "versionEndExcluding": "6.1.113", "versionStartIncluding": "5.18"}, {"criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*", "vulnerable": true, "matchCriteriaId": "914F22DD-1E6F-4B0A-A14D-3A9F068F6761", "versionEndExcluding": "6.2.9", "versionStartIncluding": "6.2"}, {"criteria": "cpe:2.3:o:linux:linux_kernel:6.3:rc1:*:*:*:*:*:*", "vulnerable": true, "matchCriteriaId": "B8E3B0E8-FA27-4305-87BB-AF6C25B160CB"}, {"criteria": "cpe:2.3:o:linux:linux_kernel:6.3:rc2:*:*:*:*:*:*", "vulnerable": true, "matchCriteriaId": "A47F0FC3-CE52-4BA1-BA51-22F783938431"}, {"criteria": "cpe:2.3:o:linux:linux_kernel:6.3:rc3:*:*:*:*:*:*", "vulnerable": true, "matchCriteriaId": "3583026A-27EC-4A4C-850A-83F2AF970673"}], "operator": "OR"}]}], "sourceIdentifier": "416baaa9-dc9f-4396-8d5f-8c081fb06d67"}