{"id":33302,"date":"2026-10-06T20:31:43","date_gmt":"2026-10-06T12:31:43","guid":{"rendered":"https:\/\/www.54iter.cn\/?vuln=cve-2026-98233"},"modified":"2026-10-06T20:31:43","modified_gmt":"2026-10-06T12:31:43","slug":"cve-2026-98233","status":"publish","type":"vuln","link":"https:\/\/www.54iter.cn\/?vuln=cve-2026-98233","title":{"rendered":"CVE-2026-98233 &#8211; In the Linux kernel, the following vulnerability has been resolved:\n\nnet\/packet: clear RX"},"content":{"rendered":"<p>In the Linux kernel, the following vulnerability has been resolved:<\/p>\n<p>net\/packet: clear RX owner on VNET header error<\/p>\n<p>Commit 61fad6816fc1 (&#8220;net\/packet: tpacket_rcv: avoid a producer race<br \/>\ncondition&#8221;) added rx_owner_map and made tpacket_rcv() claim a V1 or V2<br \/>\nring slot before converting the virtio-net header.  If the conversion<br \/>\nfails, the drop path leaves the slot claimed.<\/p>\n<p>With a one-frame TPACKET_V2 ring, an unsupported UDP GSO packet leaves<br \/>\nthe only slot unavailable, so the ring also drops the next valid packet.<\/p>\n<p>Clear the ownership bit on this error path.  TPACKET_V3 already clears<br \/>\nits block state here.<\/p>\n","protected":false},"excerpt":{"rendered":"<p>In the Linux kernel, the following vulnerability has been resolved:<\/p>\n<p>net\/packet: clear RX owner on VNET header error<\/p>\n<p>Commit 61fad6816fc1 (&#8220;net\/packet: tpacket_rcv: avoid a producer race<br \/>\ncondition&#8221;) a<\/p>\n","protected":false},"template":"","meta":[],"categories":[],"tags":[],"class_list":["post-33302","vuln","type-vuln","status-publish","hentry"],"_links":{"self":[{"href":"https:\/\/www.54iter.cn\/index.php?rest_route=\/wp\/v2\/vuln\/33302","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=33302"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/www.54iter.cn\/index.php?rest_route=%2Fwp%2Fv2%2Fcategories&post=33302"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/www.54iter.cn\/index.php?rest_route=%2Fwp%2Fv2%2Ftags&post=33302"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}