{"id":3388,"date":"2026-09-04T04:59:40","date_gmt":"2026-09-03T20:59:40","guid":{"rendered":"https:\/\/www.54iter.cn\/?p=3388"},"modified":"2026-09-04T04:59:40","modified_gmt":"2026-09-03T20:59:40","slug":"cve-2026-80736","status":"publish","type":"vuln","link":"https:\/\/www.54iter.cn\/?vuln=cve-2026-80736","title":{"rendered":"CVE-2026-80736 &#8211; In the Linux kernel, the following vulnerability has been resolved:\n\nthunderbolt: Fix band"},"content":{"rendered":"<p>In the Linux kernel, the following vulnerability has been resolved:<\/p>\n<p>thunderbolt: Fix bandwidth group reservation indexing<\/p>\n<p>Valid bandwidth group IDs range from 1 through MAX_GROUPS, while Group<br \/>\nID 0 is reserved. tb_consumed_dp_bandwidth() uses the Group ID directly<br \/>\nto index its local group_reserved[] array.<\/p>\n<p>The array currently has MAX_GROUPS entries, so its valid indices are 0<br \/>\nthrough MAX_GROUPS &#8211; 1. Group ID MAX_GROUPS therefore accesses one<br \/>\nelement past the end, and the final group&#8217;s reserved bandwidth is not<br \/>\nincluded when the array is summed.<\/p>\n<p>Give group_reserved[] MAX_GROUPS + 1 entries so direct Group ID<br \/>\nindexing covers the reserved ID 0 and valid IDs 1 through MAX_GROUPS.<\/p>\n","protected":false},"excerpt":{"rendered":"<p>In the Linux kernel, the following vulnerability has been resolved:<\/p>\n<p>thunderbolt: Fix bandwidth group reservation indexing<\/p>\n<p>Valid bandwidth group IDs range from 1 through MAX_GROUPS, while Group<br \/>\nID 0 <\/p>\n","protected":false},"template":"","meta":[],"categories":[],"tags":[],"class_list":["post-3388","vuln","type-vuln","status-publish","hentry"],"_links":{"self":[{"href":"https:\/\/www.54iter.cn\/index.php?rest_route=\/wp\/v2\/vuln\/3388","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=3388"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/www.54iter.cn\/index.php?rest_route=%2Fwp%2Fv2%2Fcategories&post=3388"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/www.54iter.cn\/index.php?rest_route=%2Fwp%2Fv2%2Ftags&post=3388"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}