{"id":24623,"date":"2026-09-16T20:32:33","date_gmt":"2026-09-16T12:32:33","guid":{"rendered":"https:\/\/www.54iter.cn\/?vuln=cve-2026-89936"},"modified":"2026-09-16T20:32:33","modified_gmt":"2026-09-16T12:32:33","slug":"cve-2026-89936","status":"publish","type":"vuln","link":"https:\/\/www.54iter.cn\/?vuln=cve-2026-89936","title":{"rendered":"CVE-2026-89936 &#8211; In the Linux kernel, the following vulnerability has been resolved:\n\niio: dac: m62332: Fix"},"content":{"rendered":"<p>In the Linux kernel, the following vulnerability has been resolved:<\/p>\n<p>iio: dac: m62332: Fix regulator reference count imbalance<\/p>\n<p>m62332_set_value() enables the Vcc regulator on every write of a<br \/>\nnon-zero value and disables it on every write of zero, without tracking<br \/>\nthe channel&#8217;s current state. Because the regulator is reference counted,<br \/>\nchanging a channel directly from one non-zero value to another enables<br \/>\nit more than once, while a later write of zero disables it only once.<br \/>\nThe reference count never returns to zero and the regulator is left<br \/>\nenabled indefinitely.<\/p>\n<p>Only enable the regulator on the transition from zero to non-zero, and<br \/>\nonly disable it on the transition from non-zero to zero, using the<br \/>\npreviously stored channel value to detect the edge. Balance the<br \/>\nregulator on the I2C error path so the reference count stays consistent<br \/>\nif the write fails.<\/p>\n","protected":false},"excerpt":{"rendered":"<p>In the Linux kernel, the following vulnerability has been resolved:<\/p>\n<p>iio: dac: m62332: Fix regulator reference count imbalance<\/p>\n<p>m62332_set_value() enables the Vcc regulator on every write of a<br \/>\nnon-zer<\/p>\n","protected":false},"template":"","meta":[],"categories":[],"tags":[],"class_list":["post-24623","vuln","type-vuln","status-publish","hentry"],"_links":{"self":[{"href":"https:\/\/www.54iter.cn\/index.php?rest_route=\/wp\/v2\/vuln\/24623","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=24623"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/www.54iter.cn\/index.php?rest_route=%2Fwp%2Fv2%2Fcategories&post=24623"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/www.54iter.cn\/index.php?rest_route=%2Fwp%2Fv2%2Ftags&post=24623"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}