{"id":25750,"date":"2026-09-18T04:31:50","date_gmt":"2026-09-17T20:31:50","guid":{"rendered":"https:\/\/www.54iter.cn\/?vuln=cve-2026-90341"},"modified":"2026-09-18T04:31:50","modified_gmt":"2026-09-17T20:31:50","slug":"cve-2026-90341","status":"publish","type":"vuln","link":"https:\/\/www.54iter.cn\/?vuln=cve-2026-90341","title":{"rendered":"CVE-2026-90341 &#8211; In the Linux kernel, the following vulnerability has been resolved:\n\nfirmware: coreboot: V"},"content":{"rendered":"<p>In the Linux kernel, the following vulnerability has been resolved:<\/p>\n<p>firmware: coreboot: Validate table bounds<\/p>\n<p>The existing coreboot_table_populate() bounds checks limit individual<br \/>\nentries to the mapped length.  However, coreboot_table_probe() replaces<br \/>\nthe platform resource length with header and table sizes supplied by<br \/>\nfirmware before mapping the full table.<\/p>\n<p>A malformed table can overflow the 32-bit size addition or advertise an<br \/>\nextent beyond the resource, causing the driver to map and parse memory<br \/>\noutside the resource.  A resource shorter than the fixed header is also<br \/>\nmapped as though it contained a complete header.<\/p>\n<p>Reject resources shorter than the fixed header.  After validating the<br \/>\nsignature, require a complete header, calculate the advertised extent<br \/>\nwith overflow checking, and reject extents beyond the resource before<br \/>\nremapping the table.<\/p>\n","protected":false},"excerpt":{"rendered":"<p>In the Linux kernel, the following vulnerability has been resolved:<\/p>\n<p>firmware: coreboot: Validate table bounds<\/p>\n<p>The existing coreboot_table_populate() bounds checks limit individual<br \/>\nentries to the map<\/p>\n","protected":false},"template":"","meta":[],"categories":[],"tags":[],"class_list":["post-25750","vuln","type-vuln","status-publish","hentry"],"_links":{"self":[{"href":"https:\/\/www.54iter.cn\/index.php?rest_route=\/wp\/v2\/vuln\/25750","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=25750"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/www.54iter.cn\/index.php?rest_route=%2Fwp%2Fv2%2Fcategories&post=25750"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/www.54iter.cn\/index.php?rest_route=%2Fwp%2Fv2%2Ftags&post=25750"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}