{"id":21392,"date":"2026-09-12T04:31:07","date_gmt":"2026-09-11T20:31:07","guid":{"rendered":"https:\/\/www.54iter.cn\/?vuln=cve-2026-89470"},"modified":"2026-09-12T04:31:07","modified_gmt":"2026-09-11T20:31:07","slug":"cve-2026-89470","status":"publish","type":"vuln","link":"https:\/\/www.54iter.cn\/?vuln=cve-2026-89470","title":{"rendered":"CVE-2026-89470 &#8211; In the Linux kernel, the following vulnerability has been resolved:\n\npower: supply: cros_u"},"content":{"rendered":"<p>In the Linux kernel, the following vulnerability has been resolved:<\/p>\n<p>power: supply: cros_usbpd: Limit port counts to EC_USB_PD_MAX_PORTS<\/p>\n<p>Currently the cros_usbpd-charger driver probe iterates based on raw<br \/>\ncharger port count returned by the embedded controller. The only check<br \/>\nis against the number of USB PD ports which the embedded controller<br \/>\nalso defines. A malicious embedded controller could return an inaccurate<br \/>\nport count (up to 255) resulting in an out of bounds write and<br \/>\nsubsequent memory corruption.<\/p>\n<p>Update helper functions in cros_usbpd-charger to limit port counts to<br \/>\nEC_USB_PD_MAX_PORTS.<\/p>\n","protected":false},"excerpt":{"rendered":"<p>In the Linux kernel, the following vulnerability has been resolved:<\/p>\n<p>power: supply: cros_usbpd: Limit port counts to EC_USB_PD_MAX_PORTS<\/p>\n<p>Currently the cros_usbpd-charger driver probe iterates based o<\/p>\n","protected":false},"template":"","meta":[],"categories":[],"tags":[],"class_list":["post-21392","vuln","type-vuln","status-publish","hentry"],"_links":{"self":[{"href":"https:\/\/www.54iter.cn\/index.php?rest_route=\/wp\/v2\/vuln\/21392","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=21392"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/www.54iter.cn\/index.php?rest_route=%2Fwp%2Fv2%2Fcategories&post=21392"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/www.54iter.cn\/index.php?rest_route=%2Fwp%2Fv2%2Ftags&post=21392"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}