{ "id": "CVE-2024-44938", "sourceIdentifier": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "published": "2024-08-26T12:15:05.960", "lastModified": "2024-09-12T14:05:44.310", "vulnStatus": "Analyzed", "cveTags": [], "descriptions": [ { "lang": "en", "value": "In the Linux kernel, the following vulnerability has been resolved:\n\njfs: Fix shift-out-of-bounds in dbDiscardAG\n\nWhen searching for the next smaller log2 block, BLKSTOL2() returned 0,\ncausing shift exponent -1 to be negative.\n\nThis patch fixes the issue by exiting the loop directly when negative\nshift is found." }, { "lang": "es", "value": "En el kernel de Linux, se resolvi\u00f3 la siguiente vulnerabilidad: jfs: corrigi\u00f3 el desplazamiento fuera de los l\u00edmites en dbDiscardAG Al buscar el siguiente bloque log2 m\u00e1s peque\u00f1o, BLKSTOL2() devolvi\u00f3 0, lo que provoc\u00f3 que el exponente de desplazamiento -1 fuera negativo. Este parche soluciona el problema saliendo del bucle directamente cuando se encuentra un cambio negativo." } ], "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-787" } ] } ], "configurations": [ { "nodes": [ { "operator": "OR", "negate": false, "cpeMatch": [ { "vulnerable": true, "criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*", "versionEndExcluding": "6.6.47", "matchCriteriaId": "CF4F8EA7-C643-4B9C-8E32-BD81930A5E8B" }, { "vulnerable": true, "criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*", "versionStartIncluding": "6.7", "versionEndExcluding": "6.10.6", "matchCriteriaId": "C1CDF130-CCA6-47F6-9718-8949BF4E05CC" } ] } ] } ], "references": [ { "url": "https://git.kernel.org/stable/c/234e6ea0855cdb5673d54ecaf7dc5c78f3e84630", "source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "tags": [ "Patch" ] }, { "url": "https://git.kernel.org/stable/c/7063b80268e2593e58bee8a8d709c2f3ff93e2f2", "source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "tags": [ "Patch" ] }, { "url": "https://git.kernel.org/stable/c/bd04a149e3a29e7f71b7956ed41dba34e42d539e", "source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "tags": [ "Issue Tracking" ] }, { "url": "https://git.kernel.org/stable/c/f650148b43949ca9e37e820804bb6026fff404f3", "source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "tags": [ "Patch" ] } ] }