{"id":21386,"date":"2026-09-12T04:31:07","date_gmt":"2026-09-11T20:31:07","guid":{"rendered":"https:\/\/www.54iter.cn\/?vuln=cve-2026-89464"},"modified":"2026-09-12T04:31:07","modified_gmt":"2026-09-11T20:31:07","slug":"cve-2026-89464","status":"publish","type":"vuln","link":"https:\/\/www.54iter.cn\/?vuln=cve-2026-89464","title":{"rendered":"CVE-2026-89464 &#8211; In the Linux kernel, the following vulnerability has been resolved:\n\npower: supply: twl403"},"content":{"rendered":"<p>In the Linux kernel, the following vulnerability has been resolved:<\/p>\n<p>power: supply: twl4030_charger: cancel workers via devm<\/p>\n<p>bci is devm-allocated. Two workers (bci-&gt;work and bci-&gt;current_worker)<br \/>\ndereference it. twl4030_bci_remove() disables charging and masks<br \/>\ninterrupts. It cancels neither worker. A worker pending at remove() can<br \/>\nrun after devm frees bci.<\/p>\n<p>The USB transceiver comes from devm_usb_get_phy_by_node(). devm<br \/>\nunregisters its notifier only after remove() returns. A cancel_work_sync()<br \/>\nin remove() can then race a notifier reschedule. devm_work_autocancel()<br \/>\nand devm_delayed_work_autocancel() avoid that. They cancel the workers<br \/>\nduring devm release, before bci is freed.<\/p>\n<p>The current_worker is registered first, since devm will cancel in<br \/>\nreverse order and bci-&gt;work can reschedule current_worker.<\/p>\n<p>[Move comment about order into the commit message]<\/p>\n","protected":false},"excerpt":{"rendered":"<p>In the Linux kernel, the following vulnerability has been resolved:<\/p>\n<p>power: supply: twl4030_charger: cancel workers via devm<\/p>\n<p>bci is devm-allocated. Two workers (bci-&gt;work and bci-&gt;current_worker)<br \/>\nder<\/p>\n","protected":false},"template":"","meta":[],"categories":[],"tags":[],"class_list":["post-21386","vuln","type-vuln","status-publish","hentry"],"_links":{"self":[{"href":"https:\/\/www.54iter.cn\/index.php?rest_route=\/wp\/v2\/vuln\/21386","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=21386"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/www.54iter.cn\/index.php?rest_route=%2Fwp%2Fv2%2Fcategories&post=21386"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/www.54iter.cn\/index.php?rest_route=%2Fwp%2Fv2%2Ftags&post=21386"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}