{"id":15466,"date":"2026-09-04T19:04:17","date_gmt":"2026-09-04T11:04:17","guid":{"rendered":"https:\/\/www.54iter.cn\/?vuln=cve-2026-46246"},"modified":"2026-09-04T19:04:17","modified_gmt":"2026-09-04T11:04:17","slug":"cve-2026-46246","status":"publish","type":"vuln","link":"https:\/\/www.54iter.cn\/?vuln=cve-2026-46246","title":{"rendered":"CVE-2026-46246 [HIGH] &#8211; In the Linux kernel, the following vulnerability has been resolved:\n\npower: supply: pm8916"},"content":{"rendered":"<p>In the Linux kernel, the following vulnerability has been resolved:<\/p>\n<p>power: supply: pm8916_lbc: Fix use-after-free for extcon in IRQ handler<\/p>\n<p>Using the `devm_` variant for requesting IRQ _before_ the `devm_`<br \/>\nvariant for allocating\/registering the `extcon` handle, means that the<br \/>\n`extcon` handle will be deallocated\/unregistered _before_ the interrupt<br \/>\nhandler (since `devm_` naturally deallocates in reverse allocation<br \/>\norder). This means that during removal, there is a race condition where<br \/>\nan interrupt can fire just _after_ the `extcon` handle has been<br \/>\nfreed, *but* just _before_ the corresponding unregistration of the IRQ<br \/>\nhandler has run.<\/p>\n<p>This will lead to the IRQ handler calling `extcon_set_state_sync()` with<br \/>\na freed `extcon` handle. Which usually crashes the system or otherwise<br \/>\nsilently corrupts the memory&#8230;<\/p>\n<p>Fix this racy use-after-free by making sure the IRQ is requested _after_<br \/>\nthe registration of the `extcon` handle.<\/p>\n","protected":false},"excerpt":{"rendered":"<p>In the Linux kernel, the following vulnerability has been resolved:<\/p>\n<p>power: supply: pm8916_lbc: Fix use-after-free for extcon in IRQ handler<\/p>\n<p>Using the `devm_` variant for requesting IRQ _before_ the <\/p>\n","protected":false},"template":"","meta":[],"categories":[],"tags":[],"class_list":["post-15466","vuln","type-vuln","status-publish","hentry"],"_links":{"self":[{"href":"https:\/\/www.54iter.cn\/index.php?rest_route=\/wp\/v2\/vuln\/15466","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=15466"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/www.54iter.cn\/index.php?rest_route=%2Fwp%2Fv2%2Fcategories&post=15466"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/www.54iter.cn\/index.php?rest_route=%2Fwp%2Fv2%2Ftags&post=15466"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}