{"id":"CVE-2022-49929","summary":"RDMA/rxe: Fix mr leak in RESPST_ERR_RNR","details":"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","modified":"2026-04-03T13:14:32.274800Z","published":"2025-05-01T14:11:06.721Z","related":["SUSE-SU-2025:01966-1","SUSE-SU-2025:02173-1"],"database_specific":{"cna_assigner":"Linux","osv_generated_from":"https://github.com/CVEProject/cvelistV5/tree/main/cves/2022/49xxx/CVE-2022-49929.json"},"references":[{"type":"WEB","url":"https://git.kernel.org/stable/c/50b35ad2864a9d66f802f9ce193d99bbef64e219"},{"type":"WEB","url":"https://git.kernel.org/stable/c/b5f9a01fae42684648c2ee3cd9985f80c67ab9f7"},{"type":"ADVISORY","url":"https://github.com/CVEProject/cvelistV5/tree/main/cves/2022/49xxx/CVE-2022-49929.json"},{"type":"ADVISORY","url":"https://nvd.nist.gov/vuln/detail/CVE-2022-49929"},{"type":"PACKAGE","url":"https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git"}],"affected":[{"ranges":[{"type":"GIT","repo":"https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git","events":[{"introduced":"8a1a0be894da0d06bfbb496cc2dc3057fa83e103"},{"fixed":"50b35ad2864a9d66f802f9ce193d99bbef64e219"},{"fixed":"b5f9a01fae42684648c2ee3cd9985f80c67ab9f7"}]}],"database_specific":{"source":"https://storage.googleapis.com/osv-test-cve-osv-conversion/osv-output/CVE-2022-49929.json"}}],"schema_version":"1.7.5"}