{"id":25903,"date":"2026-09-18T04:32:03","date_gmt":"2026-09-17T20:32:03","guid":{"rendered":"https:\/\/www.54iter.cn\/?vuln=cve-2026-93044"},"modified":"2026-09-18T04:32:03","modified_gmt":"2026-09-17T20:32:03","slug":"cve-2026-93044","status":"publish","type":"vuln","link":"https:\/\/www.54iter.cn\/?vuln=cve-2026-93044","title":{"rendered":"CVE-2026-93044 &#8211; In the Linux kernel, the following vulnerability has been resolved:\n\nbpf: Disallow interpr"},"content":{"rendered":"<p>In the Linux kernel, the following vulnerability has been resolved:<\/p>\n<p>bpf: Disallow interpreter fallback for arena-related insns<\/p>\n<p>Since the interpreter does not support the arena-related insns,<br \/>\ninterpreter fallback should not be allowed for these insns in<br \/>\ncore.c::__bpf_prog_select_runtime().<\/p>\n<p>Currently, when the interpreter executes the arena ST\/LDX\/STX insns,<br \/>\nit would hit the BUG_ON() in ___bpf_prog_run() at run time.<\/p>\n<p>[    2.579196] BPF interpreter: unknown opcode a2 (imm: 0x0)<br \/>\n[    2.579998] &#8212;&#8212;&#8212;&#8212;[ cut here ]&#8212;&#8212;&#8212;&#8212;<br \/>\n[    2.580652] kernel BUG at kernel\/bpf\/core.c:2349!<br \/>\n[    2.581314] Oops: invalid opcode: 0000 [#1] SMP PTI<\/p>\n<p>Set jit_required as true when arena map is used in the prog to disallow<br \/>\ninterpreter fallback for arena-related insns.<\/p>\n","protected":false},"excerpt":{"rendered":"<p>In the Linux kernel, the following vulnerability has been resolved:<\/p>\n<p>bpf: Disallow interpreter fallback for arena-related insns<\/p>\n<p>Since the interpreter does not support the arena-related insns,<br \/>\ninterpr<\/p>\n","protected":false},"template":"","meta":[],"categories":[],"tags":[],"class_list":["post-25903","vuln","type-vuln","status-publish","hentry"],"_links":{"self":[{"href":"https:\/\/www.54iter.cn\/index.php?rest_route=\/wp\/v2\/vuln\/25903","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=25903"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/www.54iter.cn\/index.php?rest_route=%2Fwp%2Fv2%2Fcategories&post=25903"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/www.54iter.cn\/index.php?rest_route=%2Fwp%2Fv2%2Ftags&post=25903"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}