https://vulnerability.circl.lu Contains only the most 10 recent entries. http://www.rssboard.org/rss-specification python-feedgen en Wed, 30 Sep 2026 01:24:15 +0000 https://vulnerability.circl.lu/vuln/cve-2026-64276 <p><strong>Affected:</strong> Linux</p> <p>In the Linux kernel, the following vulnerability has been resolved:</p> <p>Input: synaptics-rmi4 - bound the F30 keymap to the GPIO/LED count</p> <p>rmi_f30_map_gpios() allocates gpioled_key_map with min(gpioled_count, TRACKSTICK_RANGE_END) == at most 6 entries, but rmi_f30_attention() iterates the full f30-&gt;gpioled_count (device query register, range 0..31) and dereferences gpioled_key_map[i], and input-&gt;keycodemax is set to the full gpioled_count while input-&gt;keycode points at the 6-entry allocation.</p> <p>A device that reports gpioled_count &gt; 6 with GPIO support enabled therefore causes an out-of-bounds read on the attention interrupt and out-of-bounds read/write through the EVIOCGKEYCODE/EVIOCSKEYCODE ioctls, which bound the index only against keycodemax. This is the same defect as the F3A handler, which was copied from F30.</p> <p>Size the keymap for the full gpioled_count; the mapping loop still assigns only the first min(gpioled_count, TRACKSTICK_RANGE_END) entries.</p> <p><strong>Affected:</strong> Linux</p> <p>In the Linux kernel, the following vulnerability has been resolved:</p> <p>Input: synaptics-rmi4 - bound the F30 keymap to the GPIO/LED count</p> <p>rmi_f30_map_gpios() allocates gpioled_key_map with min(gpioled_count, TRACKSTICK_RANGE_END) == at most 6 entries, but rmi_f30_attention() iterates the full f30-&gt;gpioled_count (device query register, range 0..31) and dereferences gpioled_key_map[i], and input-&gt;keycodemax is set to the full gpioled_count while input-&gt;keycode points at the 6-entry allocation.</p> <p>A device that reports gpioled_count &gt; 6 with GPIO support enabled therefore causes an out-of-bounds read on the attention interrupt and out-of-bounds read/write through the EVIOCGKEYCODE/EVIOCSKEYCODE ioctls, which bound the index only against keycodemax. This is the same defect as the F3A handler, which was copied from F30.</p> <p>Size the keymap for the full gpioled_count; the mapping loop still assigns only the first min(gpioled_count, TRACKSTICK_RANGE_END) entries.</p> https://vulnerability.circl.lu/vuln/cve-2026-64276