CVE-2025-39952

In the Linux kernel, the following vulnerability has been resolved:<br /> <br /> wifi: wilc1000: avoid buffer overflow in WID string configuration<br /> <br /> Fix the following copy overflow warning identified by Smatch checker.<br /> <br /> drivers/net/wireless/microchip/wilc1000/wlan_cfg.c:184 wilc_wlan_parse_response_frame()<br /> error: &amp;#39;__memcpy()&amp;#39; &amp;#39;cfg-&gt;s[i]-&gt;str&amp;#39; copy overflow (512 vs 65537)<br /> <br /> This patch introduces size check before accessing the memory buffer.<br /> The checks are base on the WID type of received data from the firmware.<br /> For WID string configuration, the size limit is determined by individual<br /> element size in &amp;#39;struct wilc_cfg_str_vals&amp;#39; that is maintained in &amp;#39;len&amp;#39; field<br /> of &amp;#39;struct wilc_cfg_str&amp;#39;.