{"id":11935,"date":"2026-09-04T18:53:58","date_gmt":"2026-09-04T10:53:58","guid":{"rendered":"https:\/\/www.54iter.cn\/?vuln=cve-2026-80520"},"modified":"2026-09-04T18:53:58","modified_gmt":"2026-09-04T10:53:58","slug":"cve-2026-80520","status":"publish","type":"vuln","link":"https:\/\/www.54iter.cn\/?vuln=cve-2026-80520","title":{"rendered":"CVE-2026-80520 [HIGH] &#8211; In the Linux kernel, the following vulnerability has been resolved:\n\novpn: fix NULL derefe"},"content":{"rendered":"<p>In the Linux kernel, the following vulnerability has been resolved:<\/p>\n<p>ovpn: fix NULL dereference when killing missing key<\/p>\n<p>ovpn_crypto_kill_key assumes both crypto slots are populated and<br \/>\ndereferences each slot before checking it. That is not guaranteed: a<br \/>\npeer can have only one installed key, and the kill path may be asked to<br \/>\nremove a key that is not present.<\/p>\n<p>Read each slot once while holding the crypto state lock, check for NULL<br \/>\nbefore looking at key_id, and only replace the slot that actually<br \/>\nmatches.<\/p>\n","protected":false},"excerpt":{"rendered":"<p>In the Linux kernel, the following vulnerability has been resolved:<\/p>\n<p>ovpn: fix NULL dereference when killing missing key<\/p>\n<p>ovpn_crypto_kill_key assumes both crypto slots are populated and<br \/>\ndereferences <\/p>\n","protected":false},"template":"","meta":[],"categories":[],"tags":[],"class_list":["post-11935","vuln","type-vuln","status-publish","hentry"],"_links":{"self":[{"href":"https:\/\/www.54iter.cn\/index.php?rest_route=\/wp\/v2\/vuln\/11935","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=11935"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/www.54iter.cn\/index.php?rest_route=%2Fwp%2Fv2%2Fcategories&post=11935"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/www.54iter.cn\/index.php?rest_route=%2Fwp%2Fv2%2Ftags&post=11935"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}