{"id":"CVE-2025-37943","summary":"wifi: ath12k: Fix invalid data access in ath12k_dp_rx_h_undecap_nwifi","details":"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","modified":"2026-04-02T12:47:38.493092Z","published":"2025-05-20T15:58:19.607Z","related":["ALSA-2025:8643","SUSE-SU-2025:01964-1","SUSE-SU-2025:01965-1","SUSE-SU-2025:02000-1","SUSE-SU-2025:02254-1","SUSE-SU-2025:02307-1","SUSE-SU-2025:02333-1","SUSE-SU-2025:02923-1","SUSE-SU-2025:20408-1","SUSE-SU-2025:20413-1","SUSE-SU-2025:20419-1","SUSE-SU-2025:20421-1"],"database_specific":{"cna_assigner":"Linux","osv_generated_from":"https://github.com/CVEProject/cvelistV5/tree/main/cves/2025/37xxx/CVE-2025-37943.json"},"references":[{"type":"WEB","url":"https://git.kernel.org/stable/c/3abe15e756481c45f6acba3d476cb3ca4afc3b61"},{"type":"WEB","url":"https://git.kernel.org/stable/c/50be1fb76556e80af9f5da80f28168b6c71bce58"},{"type":"WEB","url":"https://git.kernel.org/stable/c/6ee653194ddb83674913fd2727b8ecfae0597ade"},{"type":"WEB","url":"https://git.kernel.org/stable/c/7f1d986da5c6abb75ffe4d0d325fc9b341c41a1c"},{"type":"WEB","url":"https://git.kernel.org/stable/c/9a0dddfb30f120db3851627935851d262e4e7acb"},{"type":"ADVISORY","url":"https://github.com/CVEProject/cvelistV5/tree/main/cves/2025/37xxx/CVE-2025-37943.json"},{"type":"ADVISORY","url":"https://nvd.nist.gov/vuln/detail/CVE-2025-37943"},{"type":"PACKAGE","url":"https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git"}],"affected":[{"ranges":[{"type":"GIT","repo":"https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git","events":[{"introduced":"d889913205cf7ebda905b1e62c5867ed4e39f6c2"},{"fixed":"7f1d986da5c6abb75ffe4d0d325fc9b341c41a1c"},{"fixed":"3abe15e756481c45f6acba3d476cb3ca4afc3b61"},{"fixed":"6ee653194ddb83674913fd2727b8ecfae0597ade"},{"fixed":"50be1fb76556e80af9f5da80f28168b6c71bce58"},{"fixed":"9a0dddfb30f120db3851627935851d262e4e7acb"}]}],"database_specific":{"source":"https://storage.googleapis.com/cve-osv-conversion/osv-output/CVE-2025-37943.json"}}],"schema_version":"1.7.5"}