CVE-2025-38240

In the Linux kernel, the following vulnerability has been resolved:<br /> <br /> drm/mediatek: dp: drm_err =&gt; dev_err in HPD path to avoid NULL ptr<br /> <br /> The function mtk_dp_wait_hpd_asserted() may be called before the<br /> `mtk_dp-&gt;drm_dev` pointer is assigned in mtk_dp_bridge_attach().<br /> Specifically it can be called via this callpath:<br /> - mtk_edp_wait_hpd_asserted<br /> - [panel probe]<br /> - dp_aux_ep_probe<br /> <br /> Using "drm" level prints anywhere in this callpath causes a NULL<br /> pointer dereference. Change the error message directly in<br /> mtk_dp_wait_hpd_asserted() to dev_err() to avoid this. Also change the<br /> error messages in mtk_dp_parse_capabilities(), which is called by<br /> mtk_dp_wait_hpd_asserted().<br /> <br /> While touching these prints, also add the error code to them to make<br /> future debugging easier.