{"id":11285,"date":"2026-09-04T18:53:08","date_gmt":"2026-09-04T10:53:08","guid":{"rendered":"https:\/\/www.54iter.cn\/?vuln=cve-2026-74720"},"modified":"2026-09-04T18:53:08","modified_gmt":"2026-09-04T10:53:08","slug":"cve-2026-74720","status":"publish","type":"vuln","link":"https:\/\/www.54iter.cn\/?vuln=cve-2026-74720","title":{"rendered":"CVE-2026-74720 [HIGH] &#8211; In the Linux kernel, the following vulnerability has been resolved:\n\nbpf: Preserve pointer"},"content":{"rendered":"<p>In the Linux kernel, the following vulnerability has been resolved:<\/p>\n<p>bpf: Preserve pointer state for commuted arithmetic<\/p>\n<p>When scalar += pointer is handled in adjust_ptr_min_max_vals(), the<br \/>\ndestination register inherits the pointer state from the source pointer.<br \/>\nCopying only selected fields is fragile because pointer provenance is<br \/>\ntracked by several bpf_reg_state fields.<\/p>\n<p>Use the caller&#8217;s temporary offset register to preserve the scalar operand<br \/>\nwhile replacing the destination with the full pointer state. This preserves<br \/>\nthe frame number for PTR_TO_STACK registers and keeps parent identity<br \/>\nfields consistent.<\/p>\n","protected":false},"excerpt":{"rendered":"<p>In the Linux kernel, the following vulnerability has been resolved:<\/p>\n<p>bpf: Preserve pointer state for commuted arithmetic<\/p>\n<p>When scalar += pointer is handled in adjust_ptr_min_max_vals(), the<br \/>\ndestinatio<\/p>\n","protected":false},"template":"","meta":[],"categories":[],"tags":[],"class_list":["post-11285","vuln","type-vuln","status-publish","hentry"],"_links":{"self":[{"href":"https:\/\/www.54iter.cn\/index.php?rest_route=\/wp\/v2\/vuln\/11285","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=11285"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/www.54iter.cn\/index.php?rest_route=%2Fwp%2Fv2%2Fcategories&post=11285"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/www.54iter.cn\/index.php?rest_route=%2Fwp%2Fv2%2Ftags&post=11285"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}