CVE-2021-47616

{"id": "CVE-2021-47616", "metrics": {"cvssMetricV31": [{"type": "Primary", "source": "nvd@nist.gov", "cvssData": {"scope": "UNCHANGED", "version": "3.1", "baseScore": 7.8, "attackVector": "LOCAL", "baseSeverity": "HIGH", "vectorString": "CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H", "integrityImpact": "HIGH", "userInteraction": "NONE", "attackComplexity": "LOW", "availabilityImpact": "HIGH", "privilegesRequired": "LOW", "confidentialityImpact": "HIGH"}, "impactScore": 5.9, "exploitabilityScore": 1.8}]}, "published": "2024-06-19T15:15:56.130", "references": [{"url": "https://git.kernel.org/stable/c/84b01721e8042cdd1e8ffeb648844a09cd4213e0", "tags": ["Patch"], "source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67"}, {"url": "https://git.kernel.org/stable/c/acb53e47db1fbc7cd37ab10b46388f045a76e383", "tags": ["Patch"], "source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67"}, {"url": "https://git.kernel.org/stable/c/84b01721e8042cdd1e8ffeb648844a09cd4213e0", "tags": ["Patch"], "source": "af854a3a-2127-422b-91ae-364da2661108"}, {"url": "https://git.kernel.org/stable/c/acb53e47db1fbc7cd37ab10b46388f045a76e383", "tags": ["Patch"], "source": "af854a3a-2127-422b-91ae-364da2661108"}], "vulnStatus": "Modified", "weaknesses": [{"type": "Primary", "source": "nvd@nist.gov", "description": [{"lang": "en", "value": "CWE-416"}]}], "descriptions": [{"lang": "en", "value": "In the Linux kernel, the following vulnerability has been resolved:\n\nRDMA: Fix use-after-free in rxe_queue_cleanup\n\nOn error handling path in rxe_qp_from_init() qp->sq.queue is freed and\nthen rxe_create_qp() will drop last reference to this object. qp clean up\nfunction will try to free this queue one time and it causes UAF bug.\n\nFix it by zeroing queue pointer after freeing queue in rxe_qp_from_init()."}, {"lang": "es", "value": "En el kernel de Linux, se resolvi\u00f3 la siguiente vulnerabilidad: RDMA: corrige el use-after-free en rxe_queue_cleanup En la ruta de manejo de errores en rxe_qp_from_init() qp->sq.queue se libera y luego rxe_create_qp() eliminar\u00e1 la \u00faltima referencia a este objeto. La funci\u00f3n de limpieza qp intentar\u00e1 liberar esta cola una vez y provocar\u00e1 un error UAF. Solucionarlo poniendo a cero el puntero de la cola despu\u00e9s de liberar la cola en rxe_qp_from_init()."}], "lastModified": "2024-11-21T06:36:40.680", "configurations": [{"nodes": [{"negate": false, "cpeMatch": [{"criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*", "vulnerable": true, "matchCriteriaId": "CE684464-9205-451D-854A-11B8BBA99AF7", "versionEndExcluding": "5.15.10", "versionStartIncluding": "5.15"}], "operator": "OR"}]}], "sourceIdentifier": "416baaa9-dc9f-4396-8d5f-8c081fb06d67"}