{"id":29174,"date":"2026-09-25T20:32:03","date_gmt":"2026-09-25T12:32:03","guid":{"rendered":"https:\/\/www.54iter.cn\/?vuln=cve-2026-98019"},"modified":"2026-09-25T20:32:03","modified_gmt":"2026-09-25T12:32:03","slug":"cve-2026-98019","status":"publish","type":"vuln","link":"https:\/\/www.54iter.cn\/?vuln=cve-2026-98019","title":{"rendered":"CVE-2026-98019 &#8211; In the Linux kernel, the following vulnerability has been resolved:\n\nbpf: mark a NULL call"},"content":{"rendered":"<p>In the Linux kernel, the following vulnerability has been resolved:<\/p>\n<p>bpf: mark a NULL call argument precise<\/p>\n<p>check_func_arg() allows bpf_register_is_null() for nullable arguments<br \/>\nw\/o marking the underlying scalar register precise. Hence a checkpoint<br \/>\ncreated on such a path would prune against arbitrary scalar value.<\/p>\n<p>check_helper_call() enforces second parameter of the<br \/>\nbpf_get_local_storage() to be zero, w\/o marking the underlying scalar<br \/>\nregister precise. Hence a checkpoint created on such a path would<br \/>\nprune against arbitrary scalar value.<\/p>\n<p>Grouping these two into one patch, as they share the same fixes tag.<\/p>\n","protected":false},"excerpt":{"rendered":"<p>In the Linux kernel, the following vulnerability has been resolved:<\/p>\n<p>bpf: mark a NULL call argument precise<\/p>\n<p>check_func_arg() allows bpf_register_is_null() for nullable arguments<br \/>\nw\/o marking the under<\/p>\n","protected":false},"template":"","meta":[],"categories":[],"tags":[],"class_list":["post-29174","vuln","type-vuln","status-publish","hentry"],"_links":{"self":[{"href":"https:\/\/www.54iter.cn\/index.php?rest_route=\/wp\/v2\/vuln\/29174","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=29174"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/www.54iter.cn\/index.php?rest_route=%2Fwp%2Fv2%2Fcategories&post=29174"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/www.54iter.cn\/index.php?rest_route=%2Fwp%2Fv2%2Ftags&post=29174"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}