{"id":29167,"date":"2026-09-25T20:32:02","date_gmt":"2026-09-25T12:32:02","guid":{"rendered":"https:\/\/www.54iter.cn\/?vuln=cve-2026-98012"},"modified":"2026-09-25T20:32:02","modified_gmt":"2026-09-25T12:32:02","slug":"cve-2026-98012","status":"publish","type":"vuln","link":"https:\/\/www.54iter.cn\/?vuln=cve-2026-98012","title":{"rendered":"CVE-2026-98012 &#8211; In the Linux kernel, the following vulnerability has been resolved:\n\nnet\/sched: sfq: clamp"},"content":{"rendered":"<p>In the Linux kernel, the following vulnerability has been resolved:<\/p>\n<p>net\/sched: sfq: clamp quantum in change path<\/p>\n<p>sfq_change() accepts any non-negative quantum (only rejects<br \/>\n(int)ctl-&gt;quantum  1&lt;&lt;20<br \/>\nwith -EINVAL, matching fq_codel_change() and the init clamp.<\/p>\n<p>Conditions to recreate the bug:<br \/>\n  CONFIG_NET_SCH_SFQ=y. Requires CAP_NET_ADMIN (namespace-local via<br \/>\n  unshare -Urn suffices).<\/p>\n<p>  tc qdisc add dev dummy0 root sfq<br \/>\n  tc qdisc change dev dummy0 root sfq quantum 1 stab data 32768 size_log 15 cell_log 0<\/p>\n","protected":false},"excerpt":{"rendered":"<p>In the Linux kernel, the following vulnerability has been resolved:<\/p>\n<p>net\/sched: sfq: clamp quantum in change path<\/p>\n<p>sfq_change() accepts any non-negative quantum (only rejects<br \/>\n(int)ctl-&gt;quantum &lt; 0). W<\/p>\n","protected":false},"template":"","meta":[],"categories":[],"tags":[],"class_list":["post-29167","vuln","type-vuln","status-publish","hentry"],"_links":{"self":[{"href":"https:\/\/www.54iter.cn\/index.php?rest_route=\/wp\/v2\/vuln\/29167","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=29167"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/www.54iter.cn\/index.php?rest_route=%2Fwp%2Fv2%2Fcategories&post=29167"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/www.54iter.cn\/index.php?rest_route=%2Fwp%2Fv2%2Ftags&post=29167"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}