{ "id": "CVE-2024-35874", "sourceIdentifier": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "published": "2024-05-19T09:15:08.767", "lastModified": "2024-12-30T17:37:18.307", "vulnStatus": "Analyzed", "cveTags": [], "descriptions": [ { "lang": "en", "value": "In the Linux kernel, the following vulnerability has been resolved:\n\naio: Fix null ptr deref in aio_complete() wakeup\n\nlist_del_init_careful() needs to be the last access to the wait queue\nentry - it effectively unlocks access.\n\nPreviously, finish_wait() would see the empty list head and skip taking\nthe lock, and then we'd return - but the completion path would still\nattempt to do the wakeup after the task_struct pointer had been\noverwritten." }, { "lang": "es", "value": " En el kernel de Linux, se ha resuelto la siguiente vulnerabilidad: aio: corrige el ptr deref null en aio_complete() wakeup list_del_init_careful() debe ser el \u00faltimo acceso a la entrada de la cola de espera; efectivamente desbloquea el acceso. Anteriormente, Finish_wait() ve\u00eda el encabezado de la lista vac\u00eda y omit\u00eda tomar el bloqueo, y luego regresabamos, pero la ruta de finalizaci\u00f3n a\u00fan intentar\u00eda realizar la reactivaci\u00f3n despu\u00e9s de que se hubiera sobrescrito el puntero task_struct." } ], "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-476" } ] } ], "configurations": [ { "nodes": [ { "operator": "OR", "negate": false, "cpeMatch": [ { "vulnerable": true, "criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*", "versionStartIncluding": "6.8", "versionEndExcluding": "6.8.5", "matchCriteriaId": "7733C2C9-77AB-41F9-BE33-99FF60A64DBB" }, { "vulnerable": true, "criteria": "cpe:2.3:o:linux:linux_kernel:6.9:rc1:*:*:*:*:*:*", "matchCriteriaId": "22BEDD49-2C6D-402D-9DBF-6646F6ECD10B" }, { "vulnerable": true, "criteria": "cpe:2.3:o:linux:linux_kernel:6.9:rc2:*:*:*:*:*:*", "matchCriteriaId": "DF73CB2A-DFFD-46FB-9BFE-AA394F27EA37" } ] } ] } ], "references": [ { "url": "https://git.kernel.org/stable/c/9678bcc6234d83759fe091c197f5017a32b468da", "source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "tags": [ "Patch" ] }, { "url": "https://git.kernel.org/stable/c/caeb4b0a11b3393e43f7fa8e0a5a18462acc66bd", "source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "tags": [ "Patch" ] }, { "url": "https://git.kernel.org/stable/c/9678bcc6234d83759fe091c197f5017a32b468da", "source": "af854a3a-2127-422b-91ae-364da2661108", "tags": [ "Patch" ] }, { "url": "https://git.kernel.org/stable/c/caeb4b0a11b3393e43f7fa8e0a5a18462acc66bd", "source": "af854a3a-2127-422b-91ae-364da2661108", "tags": [ "Patch" ] } ] }