{"id":16128,"date":"2026-09-04T19:05:09","date_gmt":"2026-09-04T11:05:09","guid":{"rendered":"https:\/\/www.54iter.cn\/?vuln=cve-2026-46323"},"modified":"2026-09-04T19:05:09","modified_gmt":"2026-09-04T11:05:09","slug":"cve-2026-46323","status":"publish","type":"vuln","link":"https:\/\/www.54iter.cn\/?vuln=cve-2026-46323","title":{"rendered":"CVE-2026-46323 [HIGH] &#8211; In the Linux kernel, the following vulnerability has been resolved:\n\nnet: gro: don&#8217;t merge"},"content":{"rendered":"<p>In the Linux kernel, the following vulnerability has been resolved:<\/p>\n<p>net: gro: don&#8217;t merge zcopy skbs<\/p>\n<p>skb_gro_receive() can currently copy frags between the source and GRO<br \/>\nskb, without checking the zerocopy status, and in particular the<br \/>\nSKBFL_MANAGED_FRAG_REFS flag.<\/p>\n<p>When SKBFL_MANAGED_FRAG_REFS is set, the skb doesn&#8217;t hold a reference<br \/>\non the pages in shinfo-&gt;frags. Appending those frags to another skb&#8217;s<br \/>\nfrags without fixing up the page refcount can lead to UAF.<\/p>\n<p>When either the last skb in the GRO chain (the one we would append<br \/>\nfrags to) or the source skb is zerocopy, don&#8217;t merge the skbs.<\/p>\n","protected":false},"excerpt":{"rendered":"<p>In the Linux kernel, the following vulnerability has been resolved:<\/p>\n<p>net: gro: don&#8217;t merge zcopy skbs<\/p>\n<p>skb_gro_receive() can currently copy frags between the source and GRO<br \/>\nskb, without checking the z<\/p>\n","protected":false},"template":"","meta":[],"categories":[],"tags":[],"class_list":["post-16128","vuln","type-vuln","status-publish","hentry"],"_links":{"self":[{"href":"https:\/\/www.54iter.cn\/index.php?rest_route=\/wp\/v2\/vuln\/16128","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=16128"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/www.54iter.cn\/index.php?rest_route=%2Fwp%2Fv2%2Fcategories&post=16128"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/www.54iter.cn\/index.php?rest_route=%2Fwp%2Fv2%2Ftags&post=16128"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}