CVE-2024-47700

{"id": "CVE-2024-47700", "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": "2024-10-21T12:15:06.593", "references": [{"url": "https://git.kernel.org/stable/c/297615e992bbb30a55c158141086be6505d5d722", "tags": ["Patch"], "source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67"}, {"url": "https://git.kernel.org/stable/c/a31b712f75445d52fc0451dc54fd7b16a552cb7c", "tags": ["Patch"], "source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67"}, {"url": "https://git.kernel.org/stable/c/ee85e0938aa8f9846d21e4d302c3cf6a2a75110d", "tags": ["Patch"], "source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67"}, {"url": "https://git.kernel.org/stable/c/faeff8b1ee2eaa5969c8e994d66c3337298cefed", "tags": ["Patch"], "source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67"}], "vulnStatus": "Analyzed", "weaknesses": [{"type": "Primary", "source": "nvd@nist.gov", "description": [{"lang": "en", "value": "CWE-369"}]}], "descriptions": [{"lang": "en", "value": "In the Linux kernel, the following vulnerability has been resolved:\n\next4: check stripe size compatibility on remount as well\n\nWe disable stripe size in __ext4_fill_super if it is not a multiple of\nthe cluster ratio however this check is missed when trying to remount.\nThis can leave us with cases where stripe < cluster_ratio after\nremount:set making EXT4_B2C(sbi->s_stripe) become 0 that can cause some\nunforeseen bugs like divide by 0.\n\nFix that by adding the check in remount path as well."}, {"lang": "es", "value": "En el kernel de Linux, se ha resuelto la siguiente vulnerabilidad: ext4: comprobar la compatibilidad del tama\u00f1o de la franja al volver a montar tambi\u00e9n Deshabilitamos el tama\u00f1o de la franja en __ext4_fill_super si no es un m\u00faltiplo de la relaci\u00f3n del cl\u00faster; sin embargo, esta comprobaci\u00f3n se omite al intentar volver a montar. Esto puede dejarnos con casos en los que stripe &lt; cluster_ratio despu\u00e9s de remount:set, lo que hace que EXT4_B2C(sbi-&gt;s_stripe) se convierta en 0, lo que puede causar algunos errores imprevistos como dividir por 0. Solucione eso agregando la comprobaci\u00f3n en la ruta de montaje tambi\u00e9n."}], "lastModified": "2024-10-23T21:27:28.460", "configurations": [{"nodes": [{"negate": false, "cpeMatch": [{"criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*", "vulnerable": true, "matchCriteriaId": "533A887F-F2B4-4445-8C73-11A8013D0A01", "versionEndExcluding": "6.6.54", "versionStartIncluding": "6.5"}, {"criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*", "vulnerable": true, "matchCriteriaId": "CE94BB8D-B0AB-4563-9ED7-A12122B56EBE", "versionEndExcluding": "6.10.13", "versionStartIncluding": "6.7"}, {"criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*", "vulnerable": true, "matchCriteriaId": "AB755D26-97F4-43B6-8604-CD076811E181", "versionEndExcluding": "6.11.2", "versionStartIncluding": "6.11"}], "operator": "OR"}]}], "sourceIdentifier": "416baaa9-dc9f-4396-8d5f-8c081fb06d67"}