{"id":"CVE-2022-49929","url":"https://www.cyber-defence.io/tools/cve/CVE-2022-49929","generatedAt":"2026-10-27T17:45:53.948Z","title":"In the Linux kernel, the following vulnerability has been resolved: RDMA/rxe: Fix mr leak in RESPST_ERR_RNR rxe_recheck_mr() will increase mr's ref_cnt, so we should call rxe_put(mr) to drop mr's ref_cnt in RESPST_ERR_RNR to avoid below warning:…","description":"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","published":"2025-05-01T15:16:19.000Z","lastModified":"2026-06-17T05:19:33.000Z","status":"Analyzed","sourceIdentifier":"416baaa9-dc9f-4396-8d5f-8c081fb06d67","cvss":{"version":"3.1","score":5.5,"severity":"MEDIUM","vector":"CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H"},"cwe":["CWE-401"],"affected":["linux/linux kernel"],"epss":{"score":0.00159,"percentile":0.04965,"date":"2026-10-26","history":[]},"kev":{"listed":false},"exploits":{"count":0,"verified":false,"firstPublished":null,"source":"Exploit-DB (https://gitlab.com/exploit-database/exploitdb)","entries":[]},"verdict":{"level":"low","text":"Lower severity and a low EPSS score (0.16%). Track it; it rarely justifies an emergency change on its own."},"changes":[],"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"}],"sources":{"nvd":"https://nvd.nist.gov/vuln/detail/CVE-2022-49929","epss":"https://www.first.org/epss/","kev":"https://www.cisa.gov/known-exploited-vulnerabilities-catalog","exploitdb":"https://www.exploit-db.com/"},"licence":"CC BY 4.0 — link back to the CVE Explorer if you publish the results; upstream data remains subject to its own terms."}