CVE-2022-48630

{"id": "CVE-2022-48630", "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": "2024-03-05T12:15:45.780", "references": [{"url": "https://git.kernel.org/stable/c/05d4d17475d8d094c519bb51658bc47899c175e3", "tags": ["Patch"], "source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67"}, {"url": "https://git.kernel.org/stable/c/16287397ec5c08aa58db6acf7dbc55470d78087d", "tags": ["Patch"], "source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67"}, {"url": "https://git.kernel.org/stable/c/233a3cc60e7a8fe0be8cf9934ae7b67ba25a866c", "tags": ["Patch"], "source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67"}, {"url": "https://git.kernel.org/stable/c/71a89789552b7faf3ef27969b9bc783fa0df3550", "tags": ["Patch"], "source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67"}, {"url": "https://git.kernel.org/stable/c/8a06f25f5941c145773204f2f7abef95b4ffb8ce", "tags": ["Patch"], "source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67"}, {"url": "https://git.kernel.org/stable/c/8be06f62b426801dba43ddf8893952a0e62ab6ae", "tags": ["Patch"], "source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67"}, {"url": "https://git.kernel.org/stable/c/05d4d17475d8d094c519bb51658bc47899c175e3", "tags": ["Patch"], "source": "af854a3a-2127-422b-91ae-364da2661108"}, {"url": "https://git.kernel.org/stable/c/16287397ec5c08aa58db6acf7dbc55470d78087d", "tags": ["Patch"], "source": "af854a3a-2127-422b-91ae-364da2661108"}, {"url": "https://git.kernel.org/stable/c/233a3cc60e7a8fe0be8cf9934ae7b67ba25a866c", "tags": ["Patch"], "source": "af854a3a-2127-422b-91ae-364da2661108"}, {"url": "https://git.kernel.org/stable/c/71a89789552b7faf3ef27969b9bc783fa0df3550", "tags": ["Patch"], "source": "af854a3a-2127-422b-91ae-364da2661108"}, {"url": "https://git.kernel.org/stable/c/8a06f25f5941c145773204f2f7abef95b4ffb8ce", "tags": ["Patch"], "source": "af854a3a-2127-422b-91ae-364da2661108"}, {"url": "https://git.kernel.org/stable/c/8be06f62b426801dba43ddf8893952a0e62ab6ae", "tags": ["Patch"], "source": "af854a3a-2127-422b-91ae-364da2661108"}], "vulnStatus": "Analyzed", "weaknesses": [{"type": "Primary", "source": "nvd@nist.gov", "description": [{"lang": "en", "value": "CWE-835"}]}], "descriptions": [{"lang": "en", "value": "In the Linux kernel, the following vulnerability has been resolved:\n\ncrypto: qcom-rng - fix infinite loop on requests not multiple of WORD_SZ\n\nThe commit referenced in the Fixes tag removed the 'break' from the else\nbranch in qcom_rng_read(), causing an infinite loop whenever 'max' is\nnot a multiple of WORD_SZ. This can be reproduced e.g. by running:\n\n kcapi-rng -b 67 >/dev/null\n\nThere are many ways to fix this without adding back the 'break', but\nthey all seem more awkward than simply adding it back, so do just that.\n\nTested on a machine with Qualcomm Amberwing processor."}, {"lang": "es", "value": "En el kernel de Linux, se resolvi\u00f3 la siguiente vulnerabilidad: crypto: qcom-rng: corrige el bucle infinito en solicitudes que no sean m\u00faltiples de WORD_SZ. El commit a la que se hace referencia en la etiqueta Fixes elimin\u00f3 la 'ruptura' de la rama else en qcom_rng_read(), lo que provoc\u00f3 una bucle infinito siempre que 'max' no sea un m\u00faltiplo de WORD_SZ. Esto se puede reproducir, por ejemplo, ejecutando: kcapi-rng -b 67 >/dev/null Hay muchas formas de solucionar este problema sin volver a agregar el 'descanso', pero todas parecen m\u00e1s inc\u00f3modas que simplemente volver a agregarlo, as\u00ed que hazlo. Probado en una m\u00e1quina con procesador Qualcomm Amberwing."}], "lastModified": "2025-02-03T14:09:55.317", "configurations": [{"nodes": [{"negate": false, "cpeMatch": [{"criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*", "vulnerable": true, "matchCriteriaId": "90CA0C29-659F-4285-B5C0-F4F9303CCA02", "versionEndExcluding": "4.19.245", "versionStartIncluding": "4.19.236"}, {"criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*", "vulnerable": true, "matchCriteriaId": "EA59FE65-870A-4BF7-8624-F76F50276DD2", "versionEndExcluding": "5.4.196", "versionStartIncluding": "5.4.187"}, {"criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*", "vulnerable": true, "matchCriteriaId": "563451EB-38D3-4F95-81D0-5AE1AF7490E0", "versionEndExcluding": "5.10.118", "versionStartIncluding": "5.10.108"}, {"criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*", "vulnerable": true, "matchCriteriaId": "525F7F2B-3F39-4BF6-841B-313E80A92E89", "versionEndExcluding": "5.15.42", "versionStartIncluding": "5.15.31"}, {"criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*", "vulnerable": true, "matchCriteriaId": "D634AA3E-A052-40C6-A749-5B2BE8652ABC", "versionEndExcluding": "5.17.10", "versionStartIncluding": "5.17"}, {"criteria": "cpe:2.3:o:linux:linux_kernel:5.18:rc1:*:*:*:*:*:*", "vulnerable": true, "matchCriteriaId": "6AD94161-84BB-42E6-9882-4FC0C42E9FC1"}, {"criteria": "cpe:2.3:o:linux:linux_kernel:5.18:rc2:*:*:*:*:*:*", "vulnerable": true, "matchCriteriaId": "7AB06DDF-3C2B-416D-B448-E990D8FF67A9"}, {"criteria": "cpe:2.3:o:linux:linux_kernel:5.18:rc3:*:*:*:*:*:*", "vulnerable": true, "matchCriteriaId": "EAE6C6C5-4D21-4C04-897C-70CBBB3D7B91"}, {"criteria": "cpe:2.3:o:linux:linux_kernel:5.18:rc4:*:*:*:*:*:*", "vulnerable": true, "matchCriteriaId": "DA5F085D-52F3-4EE2-8353-455D1A6FE073"}, {"criteria": "cpe:2.3:o:linux:linux_kernel:5.18:rc5:*:*:*:*:*:*", "vulnerable": true, "matchCriteriaId": "D6EE5B78-0D83-4715-893C-ABD69B49E7FC"}, {"criteria": "cpe:2.3:o:linux:linux_kernel:5.18:rc6:*:*:*:*:*:*", "vulnerable": true, "matchCriteriaId": "EE723F14-047B-4FCF-B109-E0542EDFB063"}, {"criteria": "cpe:2.3:o:linux:linux_kernel:5.18:rc7:*:*:*:*:*:*", "vulnerable": true, "matchCriteriaId": "2FCFCE58-5118-4D05-864E-C82CF20EABE5"}, {"criteria": "cpe:2.3:o:linux:linux_kernel:5.18:rc9:*:*:*:*:*:*", "vulnerable": true, "matchCriteriaId": "9C3E5BC9-613C-4362-BF02-153A5BBFFB2F"}], "operator": "OR"}]}], "sourceIdentifier": "416baaa9-dc9f-4396-8d5f-8c081fb06d67"}