CVE-2025-37990

In the Linux kernel, the following vulnerability has been resolved:<br /> <br /> wifi: brcm80211: fmac: Add error handling for brcmf_usb_dl_writeimage()<br /> <br /> The function brcmf_usb_dl_writeimage() calls the function<br /> brcmf_usb_dl_cmd() but dose not check its return value. The<br /> &amp;#39;state.state&amp;#39; and the &amp;#39;state.bytes&amp;#39; are uninitialized if the<br /> function brcmf_usb_dl_cmd() fails. It is dangerous to use<br /> uninitialized variables in the conditions.<br /> <br /> Add error handling for brcmf_usb_dl_cmd() to jump to error<br /> handling path if the brcmf_usb_dl_cmd() fails and the<br /> &amp;#39;state.state&amp;#39; and the &amp;#39;state.bytes&amp;#39; are uninitialized.<br /> <br /> Improve the error message to report more detailed error<br /> information.