{"id":11919,"date":"2026-09-04T18:53:57","date_gmt":"2026-09-04T10:53:57","guid":{"rendered":"https:\/\/www.54iter.cn\/?vuln=cve-2026-74736"},"modified":"2026-09-04T18:53:57","modified_gmt":"2026-09-04T10:53:57","slug":"cve-2026-74736","status":"publish","type":"vuln","link":"https:\/\/www.54iter.cn\/?vuln=cve-2026-74736","title":{"rendered":"CVE-2026-74736 [HIGH] &#8211; In the Linux kernel, the following vulnerability has been resolved:\n\nnet\/sched: cls_bpf: r"},"content":{"rendered":"<p>In the Linux kernel, the following vulnerability has been resolved:<\/p>\n<p>net\/sched: cls_bpf: reject dev-bound programs bound to a different device<\/p>\n<p>cls_bpf_prog_from_efd() obtained a SCHED_CLS program via<br \/>\nbpf_prog_get_type_dev() but never verified that a device-bound (offloaded)<br \/>\nprogram&#8217;s bound netdev matches the TC netdev the classifier is being<br \/>\nattached to. This let a program loaded with prog_ifindex for device A be<br \/>\nattached via cls_bpf + skip_sw to device B; deleting device A then<br \/>\ndestroyed the program&#8217;s offload state while it was still attached to<br \/>\ndevice B, triggering a netdevsim WARN (panic with panic_on_warn=1).<\/p>\n<p>Mirror the XDP attach path (net\/core\/dev.c) and reject the attach with<br \/>\n-EINVAL when a dev-bound program&#8217;s bound device does not match the<br \/>\ntarget device.<\/p>\n","protected":false},"excerpt":{"rendered":"<p>In the Linux kernel, the following vulnerability has been resolved:<\/p>\n<p>net\/sched: cls_bpf: reject dev-bound programs bound to a different device<\/p>\n<p>cls_bpf_prog_from_efd() obtained a SCHED_CLS program via<\/p>\n","protected":false},"template":"","meta":[],"categories":[],"tags":[],"class_list":["post-11919","vuln","type-vuln","status-publish","hentry"],"_links":{"self":[{"href":"https:\/\/www.54iter.cn\/index.php?rest_route=\/wp\/v2\/vuln\/11919","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=11919"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/www.54iter.cn\/index.php?rest_route=%2Fwp%2Fv2%2Fcategories&post=11919"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/www.54iter.cn\/index.php?rest_route=%2Fwp%2Fv2%2Ftags&post=11919"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}