https://vulnerability.circl.lu Contains only the most 10 recent entries. http://www.rssboard.org/rss-specification python-feedgen en Thu, 01 Oct 2026 21:51:27 +0000 https://vulnerability.circl.lu/vuln/cve-2023-53389 <p><strong>Affected:</strong> Linux</p> <p>In the Linux kernel, the following vulnerability has been resolved:</p> <p>drm/mediatek: dp: Only trigger DRM HPD events if bridge is attached</p> <p>The MediaTek DisplayPort interface bridge driver starts its interrupts as soon as its probed. However when the interrupts trigger the bridge might not have been attached to a DRM device. As drm_helper_hpd_irq_event() does not check whether the passed in drm_device is valid or not, a NULL pointer passed in results in a kernel NULL pointer dereference in it.</p> <p>Check whether the bridge is attached and only trigger an HPD event if it is.</p> <p><strong>Affected:</strong> Linux</p> <p>In the Linux kernel, the following vulnerability has been resolved:</p> <p>drm/mediatek: dp: Only trigger DRM HPD events if bridge is attached</p> <p>The MediaTek DisplayPort interface bridge driver starts its interrupts as soon as its probed. However when the interrupts trigger the bridge might not have been attached to a DRM device. As drm_helper_hpd_irq_event() does not check whether the passed in drm_device is valid or not, a NULL pointer passed in results in a kernel NULL pointer dereference in it.</p> <p>Check whether the bridge is attached and only trigger an HPD event if it is.</p> https://vulnerability.circl.lu/vuln/cve-2023-53389