https://vulnerability.circl.lu/rss/recent/all/10 Most recent entries from all 2026-10-01T19:27:25.939040+00:00 Vulnerability-Lookup info@circl.lu python-feedgen Contains only the most 10 recent entries. https://vulnerability.circl.lu/vuln/cve-2023-53721 CVE-2023-53721 — wifi: ath12k: Fix a NULL pointer dereference in ath12k_mac_op_hw_scan() 2026-10-01T19:27:25.942476+00:00

Affected: Linux

In the Linux kernel, the following vulnerability has been resolved:

wifi: ath12k: Fix a NULL pointer dereference in ath12k_mac_op_hw_scan()

In ath12k_mac_op_hw_scan(), the return value of kzalloc() is directly used in memcpy(), which may lead to a NULL pointer dereference on failure of kzalloc().

Fix this bug by adding a check of arg.extraie.ptr.

Tested-on: WCN7850 hw2.0 PCI WLAN.HMT.1.0-03427-QCAHMTSWPL_V1.0_V2.0_SILICONZ-1.15378.4