CVE-2022-49929

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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 "}], "id": "CVE-2022-49929", "lastModified": "2026-11-05T20:17:18.093", "metrics": {"cvssMetricV31": [{"cvssData": {"attackComplexity": "LOW", "attackVector": "LOCAL", "availabilityImpact": "HIGH", "baseScore": 5.5, "baseSeverity": "MEDIUM", "confidentialityImpact": "NONE", "integrityImpact": "NONE", "privilegesRequired": "LOW", "scope": "UNCHANGED", "userInteraction": "NONE", "vectorString": "CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H", "version": "3.1"}, "exploitabilityScore": 1.8, "impactScore": 3.6, "source": "nvd@nist.gov", "type": "Primary"}], "ssvcV203": [{"source": "134c704f-9b21-4f2e-91b3-4a467353bcc0", "ssvcData": {"id": "CVE-2022-49929", "options": [{"exploitation": "none"}, {"automatable": "no"}, {"technicalImpact": "partial"}], "role": "CISA Coordinator", "timestamp": "2026-11-05T19:51:34.230714Z", "version": "2.0.3"}}]}, "published": "2025-05-01T15:16:18.887", "references": [{"source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "tags": ["Patch"], "url": "https://git.kernel.org/stable/c/50b35ad2864a9d66f802f9ce193d99bbef64e219"}, {"source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "tags": ["Patch"], "url": "https://git.kernel.org/stable/c/b5f9a01fae42684648c2ee3cd9985f80c67ab9f7"}], "sourceIdentifier": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "vulnStatus": "Analyzed", "weaknesses": [{"description": [{"lang": "en", "value": "CWE-401"}], "source": "nvd@nist.gov", "type": "Primary"}]}

{"bugzilla": {"description": "kernel: RDMA/rxe: Fix mr leak in RESPST_ERR_RNR", "id": "2363416", "url": "https://bugzilla.redhat.com/show_bug.cgi?id=2363416"}, "csaw": false, "cvss3": {"cvss3_base_score": "4.5", "cvss3_scoring_vector": "CVSS:3.1/AV:A/AC:L/PR:H/UI:N/S:U/C:N/I:N/A:H", "status": "draft"}, "details": ["In the Linux kernel, the following vulnerability has been resolved:\nRDMA/rxe: Fix mr leak in RESPST_ERR_RNR\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:\nWARNING: CPU: 0 PID: 4156 at drivers/infiniband/sw/rxe/rxe_pool.c:259 __rxe_cleanup+0x1df/0x240 [rdma_rxe]\n...\nCall Trace:\nrxe_dereg_mr+0x4c/0x60 [rdma_rxe]\nib_dereg_mr_user+0xa8/0x200 [ib_core]\nib_mr_pool_destroy+0x77/0xb0 [ib_core]\nnvme_rdma_destroy_queue_ib+0x89/0x240 [nvme_rdma]\nnvme_rdma_free_queue+0x40/0x50 [nvme_rdma]\nnvme_rdma_teardown_io_queues.part.0+0xc3/0x120 [nvme_rdma]\nnvme_rdma_error_recovery_work+0x4d/0xf0 [nvme_rdma]\nprocess_one_work+0x582/0xa40\n? pwq_dec_nr_in_flight+0x100/0x100\n? rwlock_bug.part.0+0x60/0x60\nworker_thread+0x2a9/0x700\n? process_one_work+0xa40/0xa40\nkthread+0x168/0x1a0\n? kthread_complete_and_exit+0x20/0x20\nret_from_fork+0x22/0x30"], "name": "CVE-2022-49929", "package_state": [{"cpe": "cpe:/o:redhat:enterprise_linux:10", "fix_state": "Not affected", "package_name": "kernel", "product_name": "Red Hat Enterprise Linux 10"}, {"cpe": "cpe:/o:redhat:enterprise_linux:6", "fix_state": "Not affected", "package_name": "kernel", "product_name": "Red Hat Enterprise Linux 6"}, {"cpe": "cpe:/o:redhat:enterprise_linux:7", "fix_state": "Out of support scope", "package_name": "kernel", "product_name": "Red Hat Enterprise Linux 7"}, {"cpe": "cpe:/o:redhat:enterprise_linux:7", "fix_state": "Out of support scope", "package_name": "kernel-rt", "product_name": "Red Hat Enterprise Linux 7"}, {"cpe": "cpe:/o:redhat:enterprise_linux:8", "fix_state": "Out of support scope", "package_name": "kernel", "product_name": "Red Hat Enterprise Linux 8"}, {"cpe": "cpe:/o:redhat:enterprise_linux:8", "fix_state": "Out of support scope", "package_name": "kernel-rt", "product_name": "Red Hat Enterprise Linux 8"}, {"cpe": "cpe:/o:redhat:enterprise_linux:9", "fix_state": "Fix deferred", "package_name": "kernel", "product_name": "Red Hat Enterprise Linux 9"}, {"cpe": "cpe:/o:redhat:enterprise_linux:9", "fix_state": "Fix deferred", "package_name": "kernel-rt", "product_name": "Red Hat Enterprise Linux 9"}], "public_date": "2025-05-01T00:00:00Z", "references": ["https://www.cve.org/CVERecord?id=CVE-2022-49929\nhttps://nvd.nist.gov/vuln/detail/CVE-2022-49929\nhttps://lore.kernel.org/linux-cve-announce/2025050111-CVE-2022-49929-d572@gregkh/T"], "statement": "This patch fixes a memory leak (reference count imbalance) in the RXE RDMA responder path when a read reply packet fails to allocate memory (e.g., due to low resources). The function rxe_recheck_mr() increases the reference count of the Memory Region (MR), but in the RESPST_ERR_RNR error path, it failed to release it via rxe_put(mr). This led to a warning in __rxe_cleanup() and ultimately memory not being freed properly.", "threat_severity": "Moderate"}

{}