{"id":17290,"date":"2026-09-05T02:30:57","date_gmt":"2026-09-04T18:30:57","guid":{"rendered":"https:\/\/www.54iter.cn\/?vuln=cve-2026-80786"},"modified":"2026-09-05T02:30:57","modified_gmt":"2026-09-04T18:30:57","slug":"cve-2026-80786","status":"publish","type":"vuln","link":"https:\/\/www.54iter.cn\/?vuln=cve-2026-80786","title":{"rendered":"CVE-2026-80786 &#8211; In the Linux kernel, the following vulnerability has been resolved:\n\nfbdev: Wrap user-invo"},"content":{"rendered":"<p>In the Linux kernel, the following vulnerability has been resolved:<\/p>\n<p>fbdev: Wrap user-invoked calls to fb_set_var() in helper<\/p>\n<p>Handle fbcon during display updates in fb_set_var_from_user(). Check<br \/>\nwith fbcon if the mode change is possible, update hardware state and<br \/>\nfinally update fbcon. Update all callers.<\/p>\n<p>Only the FBIOPUT_VSCREENINFO ioctl currently does all steps. Other<br \/>\nmode-changes callers in sysfs and driver code are missing fbcon-related<br \/>\nsteps.<\/p>\n<p>With the new helper, ps3fb and sh_mobile_lcdcfb no longer maintain<br \/>\nfbcon state themselves.<\/p>\n","protected":false},"excerpt":{"rendered":"<p>In the Linux kernel, the following vulnerability has been resolved:<\/p>\n<p>fbdev: Wrap user-invoked calls to fb_set_var() in helper<\/p>\n<p>Handle fbcon during display updates in fb_set_var_from_user(). Check<br \/>\nwith<\/p>\n","protected":false},"template":"","meta":[],"categories":[],"tags":[],"class_list":["post-17290","vuln","type-vuln","status-publish","hentry"],"_links":{"self":[{"href":"https:\/\/www.54iter.cn\/index.php?rest_route=\/wp\/v2\/vuln\/17290","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=17290"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/www.54iter.cn\/index.php?rest_route=%2Fwp%2Fv2%2Fcategories&post=17290"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/www.54iter.cn\/index.php?rest_route=%2Fwp%2Fv2%2Ftags&post=17290"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}