{"id":25889,"date":"2026-09-18T04:32:02","date_gmt":"2026-09-17T20:32:02","guid":{"rendered":"https:\/\/www.54iter.cn\/?vuln=cve-2026-92520"},"modified":"2026-09-18T04:32:02","modified_gmt":"2026-09-17T20:32:02","slug":"cve-2026-92520","status":"publish","type":"vuln","link":"https:\/\/www.54iter.cn\/?vuln=cve-2026-92520","title":{"rendered":"CVE-2026-92520 &#8211; In the Linux kernel, the following vulnerability has been resolved:\n\nbpf: Zero queue and s"},"content":{"rendered":"<p>In the Linux kernel, the following vulnerability has been resolved:<\/p>\n<p>bpf: Zero queue and stack outputs on lock failure<\/p>\n<p>Queue and stack pop\/peek helpers accept an uninitialized output buffer<br \/>\nbecause the verifier expects the helper to initialize it. The empty-map<br \/>\nerror path clears the buffer, but a failed lock acquisition returns<br \/>\n-EBUSY without writing it.<\/p>\n<p>Clear the output before returning -EBUSY so BPF programs cannot observe<br \/>\nuninitialized stack contents after a failed helper call.<\/p>\n","protected":false},"excerpt":{"rendered":"<p>In the Linux kernel, the following vulnerability has been resolved:<\/p>\n<p>bpf: Zero queue and stack outputs on lock failure<\/p>\n<p>Queue and stack pop\/peek helpers accept an uninitialized output buffer<br \/>\nbecause t<\/p>\n","protected":false},"template":"","meta":[],"categories":[],"tags":[],"class_list":["post-25889","vuln","type-vuln","status-publish","hentry"],"_links":{"self":[{"href":"https:\/\/www.54iter.cn\/index.php?rest_route=\/wp\/v2\/vuln\/25889","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=25889"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/www.54iter.cn\/index.php?rest_route=%2Fwp%2Fv2%2Fcategories&post=25889"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/www.54iter.cn\/index.php?rest_route=%2Fwp%2Fv2%2Ftags&post=25889"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}