{"id":11294,"date":"2026-09-04T18:53:08","date_gmt":"2026-09-04T10:53:08","guid":{"rendered":"https:\/\/www.54iter.cn\/?vuln=cve-2026-74733"},"modified":"2026-09-04T18:53:08","modified_gmt":"2026-09-04T10:53:08","slug":"cve-2026-74733","status":"publish","type":"vuln","link":"https:\/\/www.54iter.cn\/?vuln=cve-2026-74733","title":{"rendered":"CVE-2026-74733 [HIGH] &#8211; In the Linux kernel, the following vulnerability has been resolved:\n\ngpio: pca953x: fix pc"},"content":{"rendered":"<p>In the Linux kernel, the following vulnerability has been resolved:<\/p>\n<p>gpio: pca953x: fix pca953x_irq_bus_sync_unlock regmap lock<\/p>\n<p>Locking is disabled in the regmap config as this driver uses its own<br \/>\nlock. This means that all calls to regmap functions (read or write) must<br \/>\nhold the i2c_lock. The function pca953x_irq_bus_sync_unlock() did not do<br \/>\nthis, and it was therefore possible that multiple threads could cause an<br \/>\nincorrect register to be read\/written.<\/p>\n<p>A previous patch partly fixed this, but only protected the write to the<br \/>\ninterrupt mask register, and not the read from the direction register.<\/p>\n","protected":false},"excerpt":{"rendered":"<p>In the Linux kernel, the following vulnerability has been resolved:<\/p>\n<p>gpio: pca953x: fix pca953x_irq_bus_sync_unlock regmap lock<\/p>\n<p>Locking is disabled in the regmap config as this driver uses its own<br \/>\nlo<\/p>\n","protected":false},"template":"","meta":[],"categories":[],"tags":[],"class_list":["post-11294","vuln","type-vuln","status-publish","hentry"],"_links":{"self":[{"href":"https:\/\/www.54iter.cn\/index.php?rest_route=\/wp\/v2\/vuln\/11294","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=11294"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/www.54iter.cn\/index.php?rest_route=%2Fwp%2Fv2%2Fcategories&post=11294"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/www.54iter.cn\/index.php?rest_route=%2Fwp%2Fv2%2Ftags&post=11294"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}