CVE-2022-49226

{"id": "CVE-2022-49226", "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": "2025-02-26T07:00:59.650", "references": [{"url": "https://git.kernel.org/stable/c/662ff765470ad0d11a1153d6d8e99d69a98e60b4", "tags": ["Patch"], "source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67"}, {"url": "https://git.kernel.org/stable/c/920a9fa27e7805499cfe78491b36fed2322c02ec", "tags": ["Patch"], "source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67"}, {"url": "https://git.kernel.org/stable/c/9ea8d2fca8fea3b17005b4dc02f8ef15f7a2fb97", "tags": ["Patch"], "source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67"}, {"url": "https://git.kernel.org/stable/c/b96a7265f763b37ff3138b9ca8122a950f13b00e", "tags": ["Patch"], "source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67"}], "vulnStatus": "Analyzed", "weaknesses": [{"type": "Primary", "source": "nvd@nist.gov", "description": [{"lang": "en", "value": "NVD-CWE-noinfo"}]}], "descriptions": [{"lang": "en", "value": "In the Linux kernel, the following vulnerability has been resolved:\n\nnet: asix: add proper error handling of usb read errors\n\nSyzbot once again hit uninit value in asix driver. The problem still the\nsame -- asix_read_cmd() reads less bytes, than was requested by caller.\n\nSince all read requests are performed via asix_read_cmd() let's catch\nusb related error there and add __must_check notation to be sure all\ncallers actually check return value.\n\nSo, this patch adds sanity check inside asix_read_cmd(), that simply\nchecks if bytes read are not less, than was requested and adds missing\nerror handling of asix_read_cmd() all across the driver code."}, {"lang": "es", "value": "En el kernel de Linux, se ha resuelto la siguiente vulnerabilidad: net: asix: agregar manejo de errores adecuado para errores de lectura de USB Syzbot una vez m\u00e1s alcanz\u00f3 un valor uninit en el controlador asix. El problema sigue siendo el mismo: asix_read_cmd() lee menos bytes de los que solicit\u00f3 el llamador. Dado que todas las solicitudes de lectura se realizan a trav\u00e9s de asix_read_cmd(), detectemos el error relacionado con USB all\u00ed y agreguemos la notaci\u00f3n __must_check para asegurarnos de que todos los llamadores realmente verifiquen el valor de retorno. Entonces, este parche agrega una verificaci\u00f3n de cordura dentro de asix_read_cmd(), que simplemente verifica si los bytes le\u00eddos no son menores que los solicitados y agrega la gesti\u00f3n de errores faltantes de asix_read_cmd() en todo el c\u00f3digo del controlador."}], "lastModified": "2025-10-21T11:52:18.433", "configurations": [{"nodes": [{"negate": false, "cpeMatch": [{"criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*", "vulnerable": true, "matchCriteriaId": "54AD5E58-BF74-457B-B4D7-71EF4E2DDADD", "versionEndExcluding": "5.15.33", "versionStartIncluding": "4.9"}, {"criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*", "vulnerable": true, "matchCriteriaId": "20C43679-0439-405A-B97F-685BEE50613B", "versionEndExcluding": "5.16.19", "versionStartIncluding": "5.16"}, {"criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*", "vulnerable": true, "matchCriteriaId": "210C679C-CF84-44A3-8939-E629C87E54BF", "versionEndExcluding": "5.17.2", "versionStartIncluding": "5.17"}], "operator": "OR"}]}], "sourceIdentifier": "416baaa9-dc9f-4396-8d5f-8c081fb06d67"}