{"api_version":"1","generated_at":"2026-07-24T22:53:56+00:00","cve":"CVE-2026-23054","urls":{"html":"https://cve.report/CVE-2026-23054","api":"https://cve.report/api/cve/CVE-2026-23054.json","docs":"https://cve.report/api","cve_org":"https://www.cve.org/CVERecord?id=CVE-2026-23054","nvd":"https://nvd.nist.gov/vuln/detail/CVE-2026-23054"},"summary":{"title":"net: hv_netvsc: reject RSS hash key programming without RX indirection table","description":"In the Linux kernel, the following vulnerability has been resolved:\n\nnet: hv_netvsc: reject RSS hash key programming without RX indirection table\n\nRSS configuration requires a valid RX indirection table. When the device\nreports a single receive queue, rndis_filter_device_add() does not\nallocate an indirection table, accepting RSS hash key updates in this\nstate leads to a hang.\n\nFix this by gating netvsc_set_rxfh() on ndc->rx_table_sz and return\n-EOPNOTSUPP when the table is absent. This aligns set_rxfh with the device\ncapabilities and prevents incorrect behavior.","state":"PUBLISHED","assigner":"Linux","published_at":"2026-02-04 17:16:16","updated_at":"2026-07-14 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the Linux kernel, the following vulnerability has been resolved:\n\nnet: hv_netvsc: reject RSS hash key programming without RX indirection table\n\nRSS configuration requires a valid RX indirection table. When the device\nreports a single receive queue, rndis_filter_device_add() does not\nallocate an indirection table, accepting RSS hash key updates in this\nstate leads to a hang.\n\nFix this by gating netvsc_set_rxfh() on ndc->rx_table_sz and return\n-EOPNOTSUPP when the table is absent. This aligns set_rxfh with the device\ncapabilities and prevents incorrect behavior."}],"providerMetadata":{"dateUpdated":"2026-05-11T21:59:06.685Z","orgId":"416baaa9-dc9f-4396-8d5f-8c081fb06d67","shortName":"Linux"},"references":[{"url":"https://git.kernel.org/stable/c/8288136f508e78eb3563e7073975999cf225a2f9"},{"url":"https://git.kernel.org/stable/c/82c9039c8ebb715753a40434df714f865a3aec9c"},{"url":"https://git.kernel.org/stable/c/4cd55c609e85ae2313248ef1a33619a3eef44a16"},{"url":"https://git.kernel.org/stable/c/11dd9a9ef4dc4507a15a69b8511a0013c6c28fa3"},{"url":"https://git.kernel.org/stable/c/d23564955811da493f34412d7de60fa268c8cb50"}],"title":"net: hv_netvsc: reject RSS hash key programming without RX indirection table","x_generator":{"engine":"bippy-1.2.0"}}},"cveMetadata":{"assignerOrgId":"416baaa9-dc9f-4396-8d5f-8c081fb06d67","assignerShortName":"Linux","cveId":"CVE-2026-23054","datePublished":"2026-02-04T16:04:23.396Z","dateReserved":"2026-01-13T15:37:45.951Z","dateUpdated":"2026-07-14T12:45:52.534Z","state":"PUBLISHED"},"dataType":"CVE_RECORD","dataVersion":"5.2"},"nvd":{"publishedDate":"2026-02-04 17:16:16","lastModifiedDate":"2026-07-14 13:18:23","problem_types":[],"metrics":[],"configurations":[]},"legacy_mitre":{"record":{"CveYear":"2026","CveId":"23054","Ordinal":"1","Title":"net: hv_netvsc: reject RSS hash key programming without RX indir","CVE":"CVE-2026-23054","Year":"2026"},"notes":[{"CveYear":"2026","CveId":"23054","Ordinal":"1","NoteData":"In the Linux kernel, the following vulnerability has been resolved:\n\nnet: hv_netvsc: reject RSS hash key programming without RX indirection table\n\nRSS configuration requires a valid RX indirection table. When the device\nreports a single receive queue, rndis_filter_device_add() does not\nallocate an indirection table, accepting RSS hash key updates in this\nstate leads to a hang.\n\nFix this by gating netvsc_set_rxfh() on ndc->rx_table_sz and return\n-EOPNOTSUPP when the table is absent. This aligns set_rxfh with the device\ncapabilities and prevents incorrect behavior.","Type":"Description","Title":"net: hv_netvsc: reject RSS hash key programming without RX indir"}]}}}