{"id":8838,"date":"2026-09-04T18:50:06","date_gmt":"2026-09-04T10:50:06","guid":{"rendered":"https:\/\/www.54iter.cn\/?vuln=cve-2026-74545-2"},"modified":"2026-09-04T18:50:06","modified_gmt":"2026-09-04T10:50:06","slug":"cve-2026-74545-2","status":"publish","type":"vuln","link":"https:\/\/www.54iter.cn\/?vuln=cve-2026-74545-2","title":{"rendered":"CVE-2026-74545 [CRITICAL] &#8211; In the Linux kernel, the following vulnerability has been resolved:\n\nrtase: fix double fre"},"content":{"rendered":"<p>In the Linux kernel, the following vulnerability has been resolved:<\/p>\n<p>rtase: fix double free of multi-frag skb on DMA map failure<\/p>\n<p>In rtase_start_xmit(), when the head buffer DMA mapping fails after<br \/>\nrtase_xmit_frags() has mapped all fragments, the error path clears<br \/>\nthe fragment descriptors with rtase_tx_clear_range(), which frees<br \/>\nthe skb through the last-frag slot and accounts tx_dropped. Control<br \/>\nthen falls through to the common error label, which frees the same<br \/>\nskb a second time and counts it again.<\/p>\n<p>Return right after clearing the fragments when the skb owns frags;<br \/>\nthe no-frag case still drops through and frees the head skb once.<\/p>\n","protected":false},"excerpt":{"rendered":"<p>In the Linux kernel, the following vulnerability has been resolved:<\/p>\n<p>rtase: fix double free of multi-frag skb on DMA map failure<\/p>\n<p>In rtase_start_xmit(), when the head buffer DMA mapping fails after<br \/>\nrt<\/p>\n","protected":false},"template":"","meta":[],"categories":[],"tags":[],"class_list":["post-8838","vuln","type-vuln","status-publish","hentry"],"_links":{"self":[{"href":"https:\/\/www.54iter.cn\/index.php?rest_route=\/wp\/v2\/vuln\/8838","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=8838"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/www.54iter.cn\/index.php?rest_route=%2Fwp%2Fv2%2Fcategories&post=8838"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/www.54iter.cn\/index.php?rest_route=%2Fwp%2Fv2%2Ftags&post=8838"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}