{"api_version":"1","generated_at":"2026-08-02T09:18:45+00:00","cve":"CVE-2025-37943","urls":{"html":"https://cve.report/CVE-2025-37943","api":"https://cve.report/api/cve/CVE-2025-37943.json","docs":"https://cve.report/api","cve_org":"https://www.cve.org/CVERecord?id=CVE-2025-37943","nvd":"https://nvd.nist.gov/vuln/detail/CVE-2025-37943"},"summary":{"title":"wifi: ath12k: Fix invalid data access in ath12k_dp_rx_h_undecap_nwifi","description":"In the Linux kernel, the following vulnerability has been resolved:\n\nwifi: ath12k: Fix invalid data access in ath12k_dp_rx_h_undecap_nwifi\n\nIn certain cases, hardware might provide packets with a\nlength greater than the maximum native Wi-Fi header length.\nThis can lead to accessing and modifying fields in the header\nwithin the ath12k_dp_rx_h_undecap_nwifi function for\nDP_RX_DECAP_TYPE_NATIVE_WIFI decap type and\npotentially resulting in invalid data access and memory corruption.\n\nAdd a sanity check before processing the SKB to prevent invalid\ndata access in the undecap native Wi-Fi function for the\nDP_RX_DECAP_TYPE_NATIVE_WIFI decap type.\n\nTested-on: QCN9274 hw2.0 PCI WLAN.WBE.1.3.1-00173-QCAHKSWPL_SILICONZ-1","state":"PUBLISHED","assigner":"Linux","published_at":"2025-05-20 16:15:32","updated_at":"2026-07-30 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ath12k: Fix invalid data access in ath12k_dp_rx_h_undecap_","CVE":"CVE-2025-37943","Year":"2025"},"notes":[{"CveYear":"2025","CveId":"37943","Ordinal":"1","NoteData":"In the Linux kernel, the following vulnerability has been resolved:\n\nwifi: ath12k: Fix invalid data access in ath12k_dp_rx_h_undecap_nwifi\n\nIn certain cases, hardware might provide packets with a\nlength greater than the maximum native Wi-Fi header length.\nThis can lead to accessing and modifying fields in the header\nwithin the ath12k_dp_rx_h_undecap_nwifi function for\nDP_RX_DECAP_TYPE_NATIVE_WIFI decap type and\npotentially resulting in invalid data access and memory corruption.\n\nAdd a sanity check before processing the SKB to prevent invalid\ndata access in the undecap native Wi-Fi function for the\nDP_RX_DECAP_TYPE_NATIVE_WIFI decap type.\n\nTested-on: QCN9274 hw2.0 PCI WLAN.WBE.1.3.1-00173-QCAHKSWPL_SILICONZ-1","Type":"Description","Title":"wifi: ath12k: Fix invalid data access in ath12k_dp_rx_h_undecap_"}]}}}