{
    "dataType": "CVE_RECORD",
    "dataVersion": "5.2",
    "cveMetadata": {
        "cveId": "CVE-2022-49929",
        "assignerOrgId": "416baaa9-dc9f-4396-8d5f-8c081fb06d67",
        "state": "PUBLISHED",
        "assignerShortName": "Linux",
        "dateReserved": "2025-05-01T14:05:17.254Z",
        "datePublished": "2025-05-01T14:11:06.721Z",
        "dateUpdated": "2026-05-11T19:09:26.681Z"
    },
    "containers": {
        "cna": {
            "providerMetadata": {
                "orgId": "416baaa9-dc9f-4396-8d5f-8c081fb06d67",
                "shortName": "Linux",
                "dateUpdated": "2026-05-11T19:09:26.681Z"
            },
            "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"
                }
            ],
            "affected": [
                {
                    "product": "Linux",
                    "vendor": "Linux",
                    "defaultStatus": "unaffected",
                    "repo": "https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git",
                    "programFiles": [
                        "drivers/infiniband/sw/rxe/rxe_resp.c"
                    ],
                    "versions": [
                        {
                            "version": "8a1a0be894da0d06bfbb496cc2dc3057fa83e103",
                            "lessThan": "50b35ad2864a9d66f802f9ce193d99bbef64e219",
                            "status": "affected",
                            "versionType": "git"
                        },
                        {
                            "version": "8a1a0be894da0d06bfbb496cc2dc3057fa83e103",
                            "lessThan": "b5f9a01fae42684648c2ee3cd9985f80c67ab9f7",
                            "status": "affected",
                            "versionType": "git"
                        }
                    ]
                },
                {
                    "product": "Linux",
                    "vendor": "Linux",
                    "defaultStatus": "affected",
                    "repo": "https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git",
                    "programFiles": [
                        "drivers/infiniband/sw/rxe/rxe_resp.c"
                    ],
                    "versions": [
                        {
                            "version": "5.18",
                            "status": "affected"
                        },
                        {
                            "version": "0",
                            "lessThan": "5.18",
                            "status": "unaffected",
                            "versionType": "semver"
                        },
                        {
                            "version": "6.0.8",
                            "lessThanOrEqual": "6.0.*",
                            "status": "unaffected",
                            "versionType": "semver"
                        },
                        {
                            "version": "6.1",
                            "lessThanOrEqual": "*",
                            "status": "unaffected",
                            "versionType": "original_commit_for_fix"
                        }
                    ]
                }
            ],
            "cpeApplicability": [
                {
                    "nodes": [
                        {
                            "operator": "OR",
                            "negate": false,
                            "cpeMatch": [
                                {
                                    "vulnerable": true,
                                    "criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*",
                                    "versionStartIncluding": "5.18",
                                    "versionEndExcluding": "6.0.8"
                                },
                                {
                                    "vulnerable": true,
                                    "criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*",
                                    "versionStartIncluding": "5.18",
                                    "versionEndExcluding": "6.1"
                                }
                            ]
                        }
                    ]
                }
            ],
            "references": [
                {
                    "url": "https://git.kernel.org/stable/c/50b35ad2864a9d66f802f9ce193d99bbef64e219"
                },
                {
                    "url": "https://git.kernel.org/stable/c/b5f9a01fae42684648c2ee3cd9985f80c67ab9f7"
                }
            ],
            "title": "RDMA/rxe: Fix mr leak in RESPST_ERR_RNR",
            "x_generator": {
                "engine": "bippy-1.2.0"
            }
        }
    }
}