{"id":26001,"date":"2026-09-18T04:32:12","date_gmt":"2026-09-17T20:32:12","guid":{"rendered":"https:\/\/www.54iter.cn\/?vuln=cve-2026-93144"},"modified":"2026-09-18T04:32:12","modified_gmt":"2026-09-17T20:32:12","slug":"cve-2026-93144","status":"publish","type":"vuln","link":"https:\/\/www.54iter.cn\/?vuln=cve-2026-93144","title":{"rendered":"CVE-2026-93144 &#8211; In the Linux kernel, the following vulnerability has been resolved:\n\nbpf: Reject writes th"},"content":{"rendered":"<p>In the Linux kernel, the following vulnerability has been resolved:<\/p>\n<p>bpf: Reject writes through untrusted BTF pointers<\/p>\n<p>check_ptr_to_btf_access() lets program-type btf_struct_access callbacks<br \/>\nvalidate writes before the default BTF access path rejects non-read<br \/>\naccesses. That bypasses the read-only policy for untrusted BTF pointers<br \/>\ncreated by helpers such as bpf_rdonly_cast().<\/p>\n<p>Reject non-read accesses through PTR_UNTRUSTED BTF pointers at the<br \/>\ncommon entry point, before the callback branch to handle all cases.<\/p>\n","protected":false},"excerpt":{"rendered":"<p>In the Linux kernel, the following vulnerability has been resolved:<\/p>\n<p>bpf: Reject writes through untrusted BTF pointers<\/p>\n<p>check_ptr_to_btf_access() lets program-type btf_struct_access callbacks<br \/>\nvalidate<\/p>\n","protected":false},"template":"","meta":[],"categories":[],"tags":[],"class_list":["post-26001","vuln","type-vuln","status-publish","hentry"],"_links":{"self":[{"href":"https:\/\/www.54iter.cn\/index.php?rest_route=\/wp\/v2\/vuln\/26001","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=26001"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/www.54iter.cn\/index.php?rest_route=%2Fwp%2Fv2%2Fcategories&post=26001"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/www.54iter.cn\/index.php?rest_route=%2Fwp%2Fv2%2Ftags&post=26001"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}