{"id":25831,"date":"2026-09-18T04:31:57","date_gmt":"2026-09-17T20:31:57","guid":{"rendered":"https:\/\/www.54iter.cn\/?vuln=cve-2026-90422"},"modified":"2026-09-18T04:31:57","modified_gmt":"2026-09-17T20:31:57","slug":"cve-2026-90422","status":"publish","type":"vuln","link":"https:\/\/www.54iter.cn\/?vuln=cve-2026-90422","title":{"rendered":"CVE-2026-90422 &#8211; In the Linux kernel, the following vulnerability has been resolved:\n\nclk: mediatek: pllfh:"},"content":{"rendered":"<p>In the Linux kernel, the following vulnerability has been resolved:<\/p>\n<p>clk: mediatek: pllfh: Fix IO remapping leak in register_pllfhs error path<\/p>\n<p>When mtk_clk_register_pllfhs function fails to register a PLL, it<br \/>\nunregisters all PLLs and cleans up itself in its error path before<br \/>\nreturning, so the function callers don&#8217;t need to do it.<\/p>\n<p>But contrary to mtk_clk_unregister_pllfhs function, that does almost<br \/>\nthe same sequence, it does not free the IO memory mapped on fhctl node,<br \/>\nleading to a leak.<\/p>\n<p>Fix this leak by factorizing the cleanup sequence in a new private<br \/>\nfunction and use it both mtk_clk_register_pllfhs and<br \/>\nmtk_clk_unregister_pllfhs functions.<\/p>\n<p>Also, change the loop index start value to avoid the -1 operation on<br \/>\nindex at each loop.<\/p>\n","protected":false},"excerpt":{"rendered":"<p>In the Linux kernel, the following vulnerability has been resolved:<\/p>\n<p>clk: mediatek: pllfh: Fix IO remapping leak in register_pllfhs error path<\/p>\n<p>When mtk_clk_register_pllfhs function fails to register <\/p>\n","protected":false},"template":"","meta":[],"categories":[],"tags":[],"class_list":["post-25831","vuln","type-vuln","status-publish","hentry"],"_links":{"self":[{"href":"https:\/\/www.54iter.cn\/index.php?rest_route=\/wp\/v2\/vuln\/25831","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=25831"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/www.54iter.cn\/index.php?rest_route=%2Fwp%2Fv2%2Fcategories&post=25831"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/www.54iter.cn\/index.php?rest_route=%2Fwp%2Fv2%2Ftags&post=25831"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}