CVE-2022-49929

{"id": "CVE-2022-49929", "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": "2025-05-01T15:16:18.887", "references": [{"url": "https://git.kernel.org/stable/c/50b35ad2864a9d66f802f9ce193d99bbef64e219", "tags": ["Patch"], "source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67"}, {"url": "https://git.kernel.org/stable/c/b5f9a01fae42684648c2ee3cd9985f80c67ab9f7", "tags": ["Patch"], "source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67"}], "vulnStatus": "Analyzed", "weaknesses": [{"type": "Primary", "source": "nvd@nist.gov", "description": [{"lang": "en", "value": "CWE-401"}]}], "descriptions": [{"lang": "en", "value": "In the Linux kernel, the following vulnerability has been resolved:\n\nRDMA/rxe: Fix mr leak in RESPST_ERR_RNR\n\nrxe_recheck_mr() will increase mr's ref_cnt, so we should call rxe_put(mr)\nto drop mr's ref_cnt in RESPST_ERR_RNR to avoid below warning:\n\n WARNING: CPU: 0 PID: 4156 at drivers/infiniband/sw/rxe/rxe_pool.c:259 __rxe_cleanup+0x1df/0x240 [rdma_rxe]\n...\n Call Trace:\n rxe_dereg_mr+0x4c/0x60 [rdma_rxe]\n ib_dereg_mr_user+0xa8/0x200 [ib_core]\n ib_mr_pool_destroy+0x77/0xb0 [ib_core]\n nvme_rdma_destroy_queue_ib+0x89/0x240 [nvme_rdma]\n nvme_rdma_free_queue+0x40/0x50 [nvme_rdma]\n nvme_rdma_teardown_io_queues.part.0+0xc3/0x120 [nvme_rdma]\n nvme_rdma_error_recovery_work+0x4d/0xf0 [nvme_rdma]\n process_one_work+0x582/0xa40\n ? pwq_dec_nr_in_flight+0x100/0x100\n ? rwlock_bug.part.0+0x60/0x60\n worker_thread+0x2a9/0x700\n ? process_one_work+0xa40/0xa40\n kthread+0x168/0x1a0\n ? kthread_complete_and_exit+0x20/0x20\n ret_from_fork+0x22/0x30"}, {"lang": "es", "value": "En el kernel de Linux, se ha resuelto la siguiente vulnerabilidad: RDMA/rxe: Reparar fuga de mr en RESPST_ERR_RNR rxe_recheck_mr() aumentar\u00e1 el ref_cnt de mr, por lo que debemos llamar a rxe_put(mr) para eliminar el ref_cnt de mr en RESPST_ERR_RNR para evitar la siguiente advertencia: ADVERTENCIA: CPU: 0 PID: 4156 en drivers/infiniband/sw/rxe/rxe_pool.c:259 __rxe_cleanup+0x1df/0x240 [rdma_rxe] ... Rastreo de llamadas: rxe_dereg_mr+0x4c/0x60 [rdma_rxe] ib_dereg_mr_user+0xa8/0x200 [ib_core] ib_mr_pool_destroy+0x77/0xb0 [ib_core] nvme_rdma_destroy_queue_ib+0x89/0x240 [nvme_rdma] nvme_rdma_free_queue+0x40/0x50 [nvme_rdma] nvme_rdma_teardown_io_queues.part.0+0xc3/0x120 [nvme_rdma] nvme_rdma_error_recovery_work+0x4d/0xf0 [nvme_rdma] process_one_work+0x582/0xa40 ? pwq_dec_nr_in_flight+0x100/0x100 ? rwlock_bug.part.0+0x60/0x60 worker_thread+0x2a9/0x700 ? process_one_work+0xa40/0xa40 kthread+0x168/0x1a0 ? kthread_complete_and_exit+0x20/0x20 ret_from_fork+0x22/0x30 "}], "lastModified": "2025-11-12T15:57:34.297", "configurations": [{"nodes": [{"negate": false, "cpeMatch": [{"criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*", "vulnerable": true, "matchCriteriaId": "1A7CC21A-D6B9-425E-AEBB-BD23DFDC85EA", "versionEndExcluding": "6.0.8", "versionStartIncluding": "5.18"}, {"criteria": "cpe:2.3:o:linux:linux_kernel:6.1:rc1:*:*:*:*:*:*", "vulnerable": true, "matchCriteriaId": "E7E331DA-1FB0-4DEC-91AC-7DA69D461C11"}, {"criteria": "cpe:2.3:o:linux:linux_kernel:6.1:rc2:*:*:*:*:*:*", "vulnerable": true, "matchCriteriaId": "17F0B248-42CF-4AE6-A469-BB1BAE7F4705"}, {"criteria": "cpe:2.3:o:linux:linux_kernel:6.1:rc3:*:*:*:*:*:*", "vulnerable": true, "matchCriteriaId": "E2422816-0C14-4B5E-A1E6-A9D776E5C49B"}], "operator": "OR"}]}], "sourceIdentifier": "416baaa9-dc9f-4396-8d5f-8c081fb06d67"}