{"id":"CVE-2026-90415","revision":"529263666b4f4a55bfc48e6e2d8bdaec","records":[{"revision":"529263666b4f4a55bfc48e6e2d8bdaec","observedAt":"2026-10-23T15:48:27.903+00:00","statement":{"source":"cve-program","id":"CVE-2026-90415","aliases":[],"title":"RDMA/cxgb4: free STAG index when TPT entry write fails","description":"In the Linux kernel, the following vulnerability has been resolved:\n\nRDMA/cxgb4: free STAG index when TPT entry write fails\n\nwrite_tpt_entry() allocates a new STAG index with c4iw_get_resource() and\nbumps stats.stag.cur before programming the entry.  When\nwrite_adapter_mem() fails, it returns the error without releasing the index\nor reversing the statistic.  No MR is inserted into rhp->mrs, so\nderegistration never reclaims it, leaking the index until device teardown.\n\nRecord whether this call allocated the index and, on a failed write, return\nit to tpt_table and decrement stats.stag.cur.  Key the rollback on both the\nwrite error and that flag, not the error alone: a non-reset update carries\na caller-owned STAG that this call did not allocate and must not free.","state":0,"publishedAt":"2026-09-17T16:09:40.714+00:00","modifiedAt":"2026-10-19T09:03:19.452+00:00","affected":[{"ecosystem":"Vendor product","name":"Linux","ranges":[],"versions":[],"rawVersionEvidence":"{\n                    \"product\": \"Linux\",\n                    \"vendor\": \"Linux\",\n                    \"defaultStatus\": \"unaffected\",\n                    \"repo\": \"https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git\",\n                    \"programFiles\": [\n                        \"drivers/infiniband/hw/cxgb4/mem.c\"\n                    ],\n                    \"versions\": [\n                        {\n                            \"version\": \"ec3eead217181d7360a11317a888ceb30807867c\",\n                            \"lessThan\": \"5fe4731bfbd8d83c4a14b4af3a27329969ce8a99\",\n                            \"status\": \"affected\",\n                            \"versionType\": \"git\"\n                        },\n                        {\n                            \"version\": \"ec3eead217181d7360a11317a888ceb30807867c\",\n                            \"lessThan\": \"8f6976d635d190e3d7af7103daaa581cf1ccc12e\",\n                            \"status\": \"affected\",\n                            \"versionType\": \"git\"\n                        },\n                        {\n                            \"version\": \"ec3eead217181d7360a11317a888ceb30807867c\",\n                            \"lessThan\": \"9eeafcda1d6c11f0eec532243c4e96ec8c632bd7\",\n                            \"status\": \"affected\",\n                            \"versionType\": \"git\"\n                        },\n                        {\n                            \"version\": \"ec3eead217181d7360a11317a888ceb30807867c\",\n                            \"lessThan\": \"5a21e5114cec4cd3f8a2843d4c46bc49634d6e96\",\n                            \"status\": \"affected\",\n                            \"versionType\": \"git\"\n                        },\n                        {\n                            \"version\": \"ec3eead217181d7360a11317a888ceb30807867c\",\n                            \"lessThan\": \"2f17ca7ab5269ac2504e1039c3921373dccd7712\",\n                            \"status\": \"affected\",\n                            \"versionType\": \"git\"\n                        },\n                        {\n                            \"version\": \"ec3eead217181d7360a11317a888ceb30807867c\",\n                            \"lessThan\": \"a2e37d1ab773be3cd26b1c19593ca2dbcece9c57\",\n                            \"status\": \"affected\",\n                            \"versionType\": \"git\"\n                        },\n                        {\n                            \"version\": \"ec3eead217181d7360a11317a888ceb30807867c\",\n                            \"lessThan\": \"a64e2beb450179a5d43034af8d5476a11eac1486\",\n                            \"status\": \"affected\",\n                            \"versionType\": \"git\"\n                        },\n                        {\n                            \"version\": \"ec3eead217181d7360a11317a888ceb30807867c\",\n                            \"lessThan\": \"fdfb5cea4bf070cdb31d997efd87bb684df041fd\",\n                            \"status\": \"affected\",\n                            \"versionType\": \"git\"\n                        }\n                    ]\n                }"},{"ecosystem":"Vendor product","name":"Linux","ranges":[],"versions":[],"rawVersionEvidence":"{\n                    \"product\": \"Linux\",\n                    \"vendor\": \"Linux\",\n                    \"defaultStatus\": \"affected\",\n                    \"repo\": \"https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git\",\n                    \"programFiles\": [\n                        \"drivers/infiniband/hw/cxgb4/mem.c\"\n                    ],\n                    \"versions\": [\n                        {\n                            \"version\": \"3.5\",\n                            \"status\": \"affected\"\n                        },\n                        {\n                            \"version\": \"0\",\n                            \"lessThan\": \"3.5\",\n                            \"status\": \"unaffected\",\n                            \"versionType\": \"semver\"\n                        },\n                        {\n                            \"version\": \"5.10.270\",\n                            \"lessThanOrEqual\": \"5.10.*\",\n                            \"status\": \"unaffected\",\n                            \"versionType\": \"semver\"\n                        },\n                        {\n                            \"version\": \"5.15.221\",\n                            \"lessThanOrEqual\": \"5.15.*\",\n                            \"status\": \"unaffected\",\n                            \"versionType\": \"semver\"\n                        },\n                        {\n                            \"version\": \"6.1.188\",\n                            \"lessThanOrEqual\": \"6.1.*\",\n                            \"status\": \"unaffected\",\n                            \"versionType\": \"semver\"\n                        },\n                        {\n                            \"version\": \"6.6.157\",\n                            \"lessThanOrEqual\": \"6.6.*\",\n                            \"status\": \"unaffected\",\n                            \"versionType\": \"semver\"\n                        },\n                        {\n                            \"version\": \"6.12.110\",\n                            \"lessThanOrEqual\": \"6.12.*\",\n                            \"status\": \"unaffected\",\n                            \"versionType\": \"semver\"\n                        },\n                        {\n                            \"version\": \"6.18.52\",\n                            \"lessThanOrEqual\": \"6.18.*\",\n                            \"status\": \"unaffected\",\n                            \"versionType\": \"semver\"\n                        },\n                        {\n                            \"version\": \"7.2.6\",\n                            \"lessThanOrEqual\": \"7.2.*\",\n                            \"status\": \"unaffected\",\n                            \"versionType\": \"semver\"\n                        },\n                        {\n                            \"version\": \"7.3\",\n                            \"lessThanOrEqual\": \"*\",\n                            \"status\": \"unaffected\",\n                            \"versionType\": \"original_commit_for_fix\"\n                        }\n                    ]\n                }"}],"metrics":[],"references":["https://git.kernel.org/stable/c/5fe4731bfbd8d83c4a14b4af3a27329969ce8a99","https://git.kernel.org/stable/c/8f6976d635d190e3d7af7103daaa581cf1ccc12e","https://git.kernel.org/stable/c/9eeafcda1d6c11f0eec532243c4e96ec8c632bd7","https://git.kernel.org/stable/c/5a21e5114cec4cd3f8a2843d4c46bc49634d6e96","https://git.kernel.org/stable/c/2f17ca7ab5269ac2504e1039c3921373dccd7712","https://git.kernel.org/stable/c/a2e37d1ab773be3cd26b1c19593ca2dbcece9c57","https://git.kernel.org/stable/c/a64e2beb450179a5d43034af8d5476a11eac1486","https://git.kernel.org/stable/c/fdfb5cea4bf070cdb31d997efd87bb684df041fd"],"sourceUrl":"https://www.cve.org/CVERecord?id=CVE-2026-90415","license":"CVE Program Terms of Use","key":"cve-program:CVE-2026-90415","identifiers":["CVE-2026-90415"]},"retained":false,"historicalAffected":[]}],"coverage":[]}