{"id":6977,"date":"2026-09-04T18:49:22","date_gmt":"2026-09-04T10:49:22","guid":{"rendered":"https:\/\/www.54iter.cn\/?vuln=cve-2026-72347"},"modified":"2026-09-04T18:49:22","modified_gmt":"2026-09-04T10:49:22","slug":"cve-2026-72347","status":"publish","type":"vuln","link":"https:\/\/www.54iter.cn\/?vuln=cve-2026-72347","title":{"rendered":"CVE-2026-72347 [HIGH] &#8211; In the Linux kernel, the following vulnerability has been resolved:\n\nnetfilter: xt_connmar"},"content":{"rendered":"<p>In the Linux kernel, the following vulnerability has been resolved:<\/p>\n<p>netfilter: xt_connmark: reject invalid shift parameters<\/p>\n<p>Revision 2 of the CONNMARK target accepts user-controlled shift<br \/>\nparameters and applies them to 32-bit mark values in<br \/>\nconnmark_tg_shift().<\/p>\n<p>A shift_bits value of 32 or more triggers an undefined-shift bug when<br \/>\nthe rule is evaluated. Invalid shift_dir values are also accepted and<br \/>\nsilently fall back to the left-shift path.<\/p>\n<p>Reject invalid revision-2 shift parameters in connmark_tg_check() so<br \/>\nmalformed rules fail at installation time, before they can reach the<br \/>\npacket path.<\/p>\n","protected":false},"excerpt":{"rendered":"<p>In the Linux kernel, the following vulnerability has been resolved:<\/p>\n<p>netfilter: xt_connmark: reject invalid shift parameters<\/p>\n<p>Revision 2 of the CONNMARK target accepts user-controlled shift<br \/>\nparameters<\/p>\n","protected":false},"template":"","meta":[],"categories":[],"tags":[],"class_list":["post-6977","vuln","type-vuln","status-publish","hentry"],"_links":{"self":[{"href":"https:\/\/www.54iter.cn\/index.php?rest_route=\/wp\/v2\/vuln\/6977","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=6977"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/www.54iter.cn\/index.php?rest_route=%2Fwp%2Fv2%2Fcategories&post=6977"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/www.54iter.cn\/index.php?rest_route=%2Fwp%2Fv2%2Ftags&post=6977"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}