{"id":39868,"date":"2026-10-16T04:34:02","date_gmt":"2026-10-15T20:34:02","guid":{"rendered":"https:\/\/www.54iter.cn\/?vuln=cve-2026-99999"},"modified":"2026-10-16T04:34:02","modified_gmt":"2026-10-15T20:34:02","slug":"cve-2026-99999","status":"publish","type":"vuln","link":"https:\/\/www.54iter.cn\/?vuln=cve-2026-99999","title":{"rendered":"CVE-2026-99999 [CRITICAL] &#8211; In the Linux kernel, the following vulnerability has been resolved:\n\nipv4: validate checks"},"content":{"rendered":"<p>In the Linux kernel, the following vulnerability has been resolved:<\/p>\n<p>ipv4: validate checksum_start before completing checksum<\/p>\n<p>If a packet with bad checksum metadata gets into the ipv4 stack,<br \/>\nskb_checksum_help can corrupt the network header and cause a bunch of<br \/>\nmischief.<\/p>\n<p>This was discovered and reported by Paulos, and has been reporoduced<br \/>\nby others independently since.<\/p>\n<p>We really shouldn&#8217;t allow such packets in, but as a defence<br \/>\nin depth measure, let&#8217;s also check before we complete the checksum.<\/p>\n<p>A more complete validation at input is forthcoming, but needs more work.<\/p>\n","protected":false},"excerpt":{"rendered":"<p>In the Linux kernel, the following vulnerability has been resolved:<\/p>\n<p>ipv4: validate checksum_start before completing checksum<\/p>\n<p>If a packet with bad checksum metadata gets into the ipv4 stack,<br \/>\nskb_chec<\/p>\n","protected":false},"template":"","meta":[],"categories":[],"tags":[],"class_list":["post-39868","vuln","type-vuln","status-publish","hentry"],"_links":{"self":[{"href":"https:\/\/www.54iter.cn\/index.php?rest_route=\/wp\/v2\/vuln\/39868","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=39868"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/www.54iter.cn\/index.php?rest_route=%2Fwp%2Fv2%2Fcategories&post=39868"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/www.54iter.cn\/index.php?rest_route=%2Fwp%2Fv2%2Ftags&post=39868"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}