{"id":"CVE-2023-53721","summary":"wifi: ath12k: Fix a NULL pointer dereference in ath12k_mac_op_hw_scan()","details":"In the Linux kernel, the following vulnerability has been resolved:\n\nwifi: ath12k: Fix a NULL pointer dereference in ath12k_mac_op_hw_scan()\n\nIn ath12k_mac_op_hw_scan(), the return value of kzalloc() is directly\nused in memcpy(), which may lead to a NULL pointer dereference on\nfailure of kzalloc().\n\nFix this bug by adding a check of arg.extraie.ptr.\n\nTested-on: WCN7850 hw2.0 PCI WLAN.HMT.1.0-03427-QCAHMTSWPL_V1.0_V2.0_SILICONZ-1.15378.4","modified":"2026-04-02T09:44:58.557685Z","published":"2025-10-22T13:23:52.699Z","related":["SUSE-SU-2025:21040-1","SUSE-SU-2025:21052-1","SUSE-SU-2025:21056-1","SUSE-SU-2025:21064-1","SUSE-SU-2025:4057-1","SUSE-SU-2025:4128-1","SUSE-SU-2025:4132-1","SUSE-SU-2025:4140-1","SUSE-SU-2025:4141-1","SUSE-SU-2025:4301-1"],"database_specific":{"cna_assigner":"Linux","osv_generated_from":"https://github.com/CVEProject/cvelistV5/tree/main/cves/2023/53xxx/CVE-2023-53721.json"},"references":[{"type":"WEB","url":"https://git.kernel.org/stable/c/5a263df398b581189fe632b4ab8440f3dd76c251"},{"type":"WEB","url":"https://git.kernel.org/stable/c/8ad314da54c6dd223a6b6cc85019160aa842f659"},{"type":"ADVISORY","url":"https://github.com/CVEProject/cvelistV5/tree/main/cves/2023/53xxx/CVE-2023-53721.json"},{"type":"ADVISORY","url":"https://nvd.nist.gov/vuln/detail/CVE-2023-53721"},{"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":"5a263df398b581189fe632b4ab8440f3dd76c251"},{"fixed":"8ad314da54c6dd223a6b6cc85019160aa842f659"}]}],"database_specific":{"source":"https://storage.googleapis.com/cve-osv-conversion/osv-output/CVE-2023-53721.json"}},{"package":{"name":"Kernel","ecosystem":"Linux"},"ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"6.3.0"},{"fixed":"6.5.5"}]}],"database_specific":{"source":"https://storage.googleapis.com/cve-osv-conversion/osv-output/CVE-2023-53721.json"}}],"schema_version":"1.7.5"}