{ "schemaVersion": 1, "attribution": [ { "source": "CISA Known Exploited Vulnerabilities", "url": "https://www.cisa.gov/known-exploited-vulnerabilities-catalog", "licence": "US government work" }, { "source": "GitHub Advisory Database", "url": "https://github.com/advisories", "licence": "CC BY 4.0" }, { "source": "Have I Been Pwned", "url": "https://haveibeenpwned.com/", "licence": "CC BY 4.0" }, { "source": "CVE Program (CVE records)", "url": "https://www.cve.org/Legal/TermsOfUse", "licence": "CVE Terms of Use", "notice": "Copyright © 1999-2026, The MITRE Corporation. CVE is a trademark and the CVE logo is a registered trademark of The MITRE Corporation.", "terms": "CVE Usage: MITRE hereby grants you a perpetual, worldwide, non-exclusive, no-charge, royalty-free, irrevocable copyright license to reproduce, prepare derivative works of, publicly display, publicly perform, sublicense, and distribute Common Vulnerabilities and Exposures (CVE™). Any copy you make for such purposes is authorized provided that you reproduce MITRE's copyright designation and this license in any such copy." }, { "source": "FIRST EPSS", "url": "https://www.first.org/epss/", "licence": "free to use; FIRST requests attribution" } ], "record": { "id": "CVE-2026-93151", "sourceURL": "https://www.cve.org/CVERecord?id=CVE-2026-93151", "idYear": 2026, "status": "PUBLISHED", "publishedAt": "2026-09-17T16:11:47.559Z", "updatedAt": "2026-10-19T09:06:23.530Z", "importedAt": "2026-10-24T01:58:35.090Z", "snapshot": { "id": "cve_2026-10-24_midnight_baseline", "at": "2026-10-24T00:00:00.000Z", "source": "https://github.com/CVEProject/cvelistV5/releases/tag/cve_2026-10-24_0100Z" }, "facts": { "title": "nvmet-rdma: fix response resource leak on queue teardown", "summary": "In the Linux kernel, the following vulnerability has been resolved:\n\nnvmet-rdma: fix response resource leak on queue teardown\n\nWhen an nvme target with rdma transport is removed while I/Os are in\nflight, a response can be posted but its send completion is never\ndelivered before the connection is torn down. As a result\nnvmet_rdma_send_done() and nvmet_rdma_release_rsp() are never called for\nthe response, and this leaks the allocated RDMA read/write context and\nrequest SGLs.\n\nThese leaks are recreated by running blktests nvme/061 with the rdma\ntransport and the siw driver. Kernel kmemleak feature reports them as\nfollows:\n\n unreferenced object 0xffff88812bc490c0 (size 32):\n comm \"kworker/2:1H\", pid 409, jiffies 4307744490\n backtrace (crc 89afd339):\n __kmalloc_noprof+0x5f9/0x890\n sgl_alloc_order+0x7b/0x380\n nvmet_req_alloc_sgls+0x290/0x4f0 [nvmet]\n nvmet_rdma_map_sgl_keyed+0x241/0x12e0 [nvmet_rdma]\n nvmet_rdma_handle_command+0x73e/0xb80 [nvmet_rdma]\n __ib_process_cq+0x149/0x4c0 [ib_core]\n ib_cq_poll_work+0x49/0x160 [ib_core]\n process_one_work+0x8b2/0x1640\n worker_thread+0x5fd/0xfe0\n kthread+0x367/0x460\n ret_from_fork+0x655/0x9d0\n ret_from_fork_asm+0x1a/0x30\n\n unreferenced object 0xffff88814bd05e80 (size 64):\n comm \"kworker/3:1H\", pid 148, jiffies 4295195428\n backtrace (crc e35510cb):\n __kmalloc_noprof+0x5f9/0x890\n rdma_rw_ctx_init+0x333/0x1fa0 [ib_core]\n nvmet_rdma_map_sgl_keyed+0x5c8/0x12e0 [nvmet_rdma]\n nvmet_rdma_handle_command+0x73e/0xb80 [nvmet_rdma]\n __ib_process_cq+0x149/0x4c0 [ib_core]\n ib_cq_poll_work+0x49/0x160 [ib_core]\n process_one_work+0x8b2/0x1640\n worker_thread+0x5fd/0xfe0\n kthread+0x367/0x460\n ret_from_fork+0x655/0x9d0\n ret_from_fork_asm+0x1a/0x30\n\nTo avoid the memory leaks, reclaim the memory of the in-flight responses\nwhen the queue QP is torn down. Call nvmet_rdma_free_rsp_resources()\nthat frees up the RDMA read/write context and the request SGLs of such\nresponses.", "affected": [ { "vendor": "Linux", "product": "Linux", "defaultStatus": "unaffected", "versions": [ { "version": "8f000cac6e7a6edca7ab93bafc7ed28b27c1545b", "status": "affected", "versionType": "git", "lessThan": "91cfa74f1f3772e8c3662c064a45d8633e00c78e" }, { "version": "8f000cac6e7a6edca7ab93bafc7ed28b27c1545b", "status": "affected", "versionType": "git", "lessThan": "156ec10a8be2c33b0c279d8b2f4fe8e16fa89ef7" }, { "version": "8f000cac6e7a6edca7ab93bafc7ed28b27c1545b", "status": "affected", "versionType": "git", "lessThan": "9584b3c30e4ee8ca315bdc12249cc6c47cf1a482" }, { "version": "8f000cac6e7a6edca7ab93bafc7ed28b27c1545b", "status": "affected", "versionType": "git", "lessThan": "5cc3b21729d45b5af8f79891f9dedb7e6b6dbd08" }, { "version": "8f000cac6e7a6edca7ab93bafc7ed28b27c1545b", "status": "affected", "versionType": "git", "lessThan": "ca795fc1d8a1a4ab0e6bd1d27c9adb78d4ed1a1c" }, { "version": "8f000cac6e7a6edca7ab93bafc7ed28b27c1545b", "status": "affected", "versionType": "git", "lessThan": "d553a9dc1c45666e76d8d2ac9a4f8ff0cbf53a50" }, { "version": "8f000cac6e7a6edca7ab93bafc7ed28b27c1545b", "status": "affected", "versionType": "git", "lessThan": "0114dd303b373522dea06053aabae34bdd33a7c4" } ] }, { "vendor": "Linux", "product": "Linux", "defaultStatus": "affected", "versions": [ { "version": "4.8", "status": "affected" }, { "version": "0", "status": "unaffected", "versionType": "semver", "lessThan": "4.8" }, { "version": "5.15.221", "status": "unaffected", "versionType": "semver", "lessThanOrEqual": "5.15.*" }, { "version": "6.1.188", "status": "unaffected", "versionType": "semver", "lessThanOrEqual": "6.1.*" }, { "version": "6.6.157", "status": "unaffected", "versionType": "semver", "lessThanOrEqual": "6.6.*" }, { "version": "6.12.110", "status": "unaffected", "versionType": "semver", "lessThanOrEqual": "6.12.*" }, { "version": "6.18.52", "status": "unaffected", "versionType": "semver", "lessThanOrEqual": "6.18.*" }, { "version": "7.2.6", "status": "unaffected", "versionType": "semver", "lessThanOrEqual": "7.2.*" }, { "version": "7.3", "status": "unaffected", "versionType": "original_commit_for_fix", "lessThanOrEqual": "*" } ] } ] } } }