{"id":"CVE-2026-90219","revision":"3713d651021648449b4fcc78575ae91d","records":[{"revision":"3713d651021648449b4fcc78575ae91d","observedAt":"2026-10-23T15:48:27.903+00:00","statement":{"source":"cve-program","id":"CVE-2026-90219","aliases":[],"title":"RDMA/cxgb4: Free debugfs on registration failure","description":"In the Linux kernel, the following vulnerability has been resolved:\n\nRDMA/cxgb4: Free debugfs on registration failure\n\nc4iw_alloc() creates the per-device debugfs tree (dev->debugfs_root via\nsetup_debugfs()), but it is removed only in c4iw_remove(), not in\nc4iw_dealloc().  When RDMA device registration fails, the registration\nworker's err_dealloc_ctx path calls c4iw_dealloc() directly, bypassing\nc4iw_remove(), so the debugfs dentries leak and outlive the freed\nc4iw_dev.\n\nMove debugfs_remove_recursive() into c4iw_dealloc() so every path that\nfrees ctx->dev also removes its debugfs tree.","state":0,"publishedAt":"2026-09-17T16:07:30.778+00:00","modifiedAt":"2026-10-19T08:59:55.119+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/device.c\"\n                    ],\n                    \"versions\": [\n                        {\n                            \"version\": \"49ea0c036ede81f126f1a9389d377999fdf5c5a1\",\n                            \"lessThan\": \"459b59f7ed56511d6529311cb4e5e482ebfcfb8e\",\n                            \"status\": \"affected\",\n                            \"versionType\": \"git\"\n                        },\n                        {\n                            \"version\": \"49ea0c036ede81f126f1a9389d377999fdf5c5a1\",\n                            \"lessThan\": \"cd60992f09b7e83bfd3c76e3bb06b29f3e2fa0a8\",\n                            \"status\": \"affected\",\n                            \"versionType\": \"git\"\n                        },\n                        {\n                            \"version\": \"49ea0c036ede81f126f1a9389d377999fdf5c5a1\",\n                            \"lessThan\": \"c332d9e7dce234d8bef78271d003a68ee943b61b\",\n                            \"status\": \"affected\",\n                            \"versionType\": \"git\"\n                        },\n                        {\n                            \"version\": \"49ea0c036ede81f126f1a9389d377999fdf5c5a1\",\n                            \"lessThan\": \"f98e894ec029a752cf9c7f7834741bead0fb463d\",\n                            \"status\": \"affected\",\n                            \"versionType\": \"git\"\n                        },\n                        {\n                            \"version\": \"49ea0c036ede81f126f1a9389d377999fdf5c5a1\",\n                            \"lessThan\": \"479a7f90060e62bdd9bb4036ec0a70bf460f6d23\",\n                            \"status\": \"affected\",\n                            \"versionType\": \"git\"\n                        },\n                        {\n                            \"version\": \"49ea0c036ede81f126f1a9389d377999fdf5c5a1\",\n                            \"lessThan\": \"046425412529dbfca1433c8bef5641b271b4ab2a\",\n                            \"status\": \"affected\",\n                            \"versionType\": \"git\"\n                        },\n                        {\n                            \"version\": \"49ea0c036ede81f126f1a9389d377999fdf5c5a1\",\n                            \"lessThan\": \"ea41b5630fa3d9877ce9ed8832cf5575f742bfbb\",\n                            \"status\": \"affected\",\n                            \"versionType\": \"git\"\n                        },\n                        {\n                            \"version\": \"49ea0c036ede81f126f1a9389d377999fdf5c5a1\",\n                            \"lessThan\": \"fe5c16bb6252dea6025b748257ddc3b2665495b0\",\n                            \"status\": \"affected\",\n                            \"versionType\": \"git\"\n                        },\n                        {\n                            \"version\": \"98fa991017981b52dcc4dc3924fc8e1e83e41bf4\",\n                            \"status\": \"affected\",\n                            \"versionType\": \"git\"\n                        },\n                        {\n                            \"version\": \"af92e4a595e006b498c44b617ea38f697eca3469\",\n                            \"status\": \"affected\",\n                            \"versionType\": \"git\"\n                        },\n                        {\n                            \"version\": \"9c0cec79e5c914662c2cf98b4a729c0fcc8c872e\",\n                            \"status\": \"affected\",\n                            \"versionType\": \"git\"\n                        },\n                        {\n                            \"version\": \"4.19.130\",\n                            \"lessThan\": \"4.20\",\n                            \"status\": \"affected\",\n                            \"versionType\": \"semver\"\n                        },\n                        {\n                            \"version\": \"5.4.49\",\n                            \"lessThan\": \"5.5\",\n                            \"status\": \"affected\",\n                            \"versionType\": \"semver\"\n                        },\n                        {\n                            \"version\": \"5.7.6\",\n                            \"lessThan\": \"5.8\",\n                            \"status\": \"affected\",\n                            \"versionType\": \"semver\"\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/device.c\"\n                    ],\n                    \"versions\": [\n                        {\n                            \"version\": \"5.8\",\n                            \"status\": \"affected\"\n                        },\n                        {\n                            \"version\": \"0\",\n                            \"lessThan\": \"5.8\",\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/459b59f7ed56511d6529311cb4e5e482ebfcfb8e","https://git.kernel.org/stable/c/cd60992f09b7e83bfd3c76e3bb06b29f3e2fa0a8","https://git.kernel.org/stable/c/c332d9e7dce234d8bef78271d003a68ee943b61b","https://git.kernel.org/stable/c/f98e894ec029a752cf9c7f7834741bead0fb463d","https://git.kernel.org/stable/c/479a7f90060e62bdd9bb4036ec0a70bf460f6d23","https://git.kernel.org/stable/c/046425412529dbfca1433c8bef5641b271b4ab2a","https://git.kernel.org/stable/c/ea41b5630fa3d9877ce9ed8832cf5575f742bfbb","https://git.kernel.org/stable/c/fe5c16bb6252dea6025b748257ddc3b2665495b0"],"sourceUrl":"https://www.cve.org/CVERecord?id=CVE-2026-90219","license":"CVE Program Terms of Use","key":"cve-program:CVE-2026-90219","identifiers":["CVE-2026-90219"]},"retained":false,"historicalAffected":[]}],"coverage":[]}