{"id":3397,"date":"2026-09-04T04:59:41","date_gmt":"2026-09-03T20:59:41","guid":{"rendered":"https:\/\/www.54iter.cn\/?p=3397"},"modified":"2026-09-04T04:59:41","modified_gmt":"2026-09-03T20:59:41","slug":"cve-2026-80745","status":"publish","type":"vuln","link":"https:\/\/www.54iter.cn\/?vuln=cve-2026-80745","title":{"rendered":"CVE-2026-80745 &#8211; In the Linux kernel, the following vulnerability has been resolved:\n\nregulator: fp9931: Fi"},"content":{"rendered":"<p>In the Linux kernel, the following vulnerability has been resolved:<\/p>\n<p>regulator: fp9931: Fix VPOS\/VNEG voltage selector table<\/p>\n<p>The VPOSNEG_table[] mapping does not match the FP9931 datasheet.<\/p>\n<p>The datasheet defines the VPOS\/VNEG voltage mapping as:<\/p>\n<p>  00h-04h -&gt;  7.04V (-7.04V)<br \/>\n  05h     -&gt;  7.26V (-7.26V)<br \/>\n  06h     -&gt;  7.49V (-7.49V)<br \/>\n  &#8230;<br \/>\n  28h-3Fh -&gt; 15.06V (-15.06V)<\/p>\n<p>However, VPOSNEG_table[] has two issues:<\/p>\n<p>1. Selector 0x00~0x04 should all map to 7.04V (5 entries), but the<br \/>\n   table has 6 entries of 7.04V, causing all subsequent entries to be<br \/>\n   shifted by one position.<\/p>\n<p>2. Selectors 0x29~0x3F should all clamp to 15.06V (23 entries), but<br \/>\n   the table has only 41 entries. Any selector value above 0x28<br \/>\n   would result in an out-of-bounds table access.<\/p>\n<p>Fix both issues by removing the duplicate 7.04V entry and appending<br \/>\nthe missing 23 clamped 15.06V entries, bringing the table to the<br \/>\ncorrect size of 64 entries (0x00~0x3F).<\/p>\n","protected":false},"excerpt":{"rendered":"<p>In the Linux kernel, the following vulnerability has been resolved:<\/p>\n<p>regulator: fp9931: Fix VPOS\/VNEG voltage selector table<\/p>\n<p>The VPOSNEG_table[] mapping does not match the FP9931 datasheet.<\/p>\n<p>The data<\/p>\n","protected":false},"template":"","meta":[],"categories":[],"tags":[],"class_list":["post-3397","vuln","type-vuln","status-publish","hentry"],"_links":{"self":[{"href":"https:\/\/www.54iter.cn\/index.php?rest_route=\/wp\/v2\/vuln\/3397","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/www.54iter.cn\/index.php?rest_route=\/wp\/v2\/vuln"}],"about":[{"href":"https:\/\/www.54iter.cn\/index.php?rest_route=\/wp\/v2\/types\/vuln"}],"wp:attachment":[{"href":"https:\/\/www.54iter.cn\/index.php?rest_route=%2Fwp%2Fv2%2Fmedia&parent=3397"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/www.54iter.cn\/index.php?rest_route=%2Fwp%2Fv2%2Fcategories&post=3397"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/www.54iter.cn\/index.php?rest_route=%2Fwp%2Fv2%2Ftags&post=3397"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}