{ "id": "CVE-2024-47700", "sourceIdentifier": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "published": "2024-10-21T12:15:06.593", "lastModified": "2024-10-23T21:27:28.460", "vulnStatus": "Analyzed", "cveTags": [], "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 < cluster_ratio despu\u00e9s de remount:set, lo que hace que EXT4_B2C(sbi->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." } ], "metrics": { "cvssMetricV31": [ { "source": "nvd@nist.gov", "type": "Primary", "cvssData": { "version": "3.1", "vectorString": "CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H", "baseScore": 5.5, "baseSeverity": "MEDIUM", "attackVector": "LOCAL", "attackComplexity": "LOW", "privilegesRequired": "LOW", "userInteraction": "NONE", "scope": "UNCHANGED", "confidentialityImpact": "NONE", "integrityImpact": "NONE", "availabilityImpact": "HIGH" }, "exploitabilityScore": 1.8, "impactScore": 3.6 } ] }, "weaknesses": [ { "source": "nvd@nist.gov", "type": "Primary", "description": [ { "lang": "en", "value": "CWE-369" } ] } ], "configurations": [ { "nodes": [ { "operator": "OR", "negate": false, "cpeMatch": [ { "vulnerable": true, "criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*", "versionStartIncluding": "6.5", "versionEndExcluding": "6.6.54", "matchCriteriaId": "533A887F-F2B4-4445-8C73-11A8013D0A01" }, { "vulnerable": true, "criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*", "versionStartIncluding": "6.7", "versionEndExcluding": "6.10.13", "matchCriteriaId": "CE94BB8D-B0AB-4563-9ED7-A12122B56EBE" }, { "vulnerable": true, "criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*", "versionStartIncluding": "6.11", "versionEndExcluding": "6.11.2", "matchCriteriaId": "AB755D26-97F4-43B6-8604-CD076811E181" } ] } ] } ], "references": [ { "url": "https://git.kernel.org/stable/c/297615e992bbb30a55c158141086be6505d5d722", "source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "tags": [ "Patch" ] }, { "url": "https://git.kernel.org/stable/c/a31b712f75445d52fc0451dc54fd7b16a552cb7c", "source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "tags": [ "Patch" ] }, { "url": "https://git.kernel.org/stable/c/ee85e0938aa8f9846d21e4d302c3cf6a2a75110d", "source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "tags": [ "Patch" ] }, { "url": "https://git.kernel.org/stable/c/faeff8b1ee2eaa5969c8e994d66c3337298cefed", "source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "tags": [ "Patch" ] } ] }