{"id":25552,"date":"2026-09-18T04:31:32","date_gmt":"2026-09-17T20:31:32","guid":{"rendered":"https:\/\/www.54iter.cn\/?vuln=cve-2026-90143"},"modified":"2026-09-18T04:31:32","modified_gmt":"2026-09-17T20:31:32","slug":"cve-2026-90143","status":"publish","type":"vuln","link":"https:\/\/www.54iter.cn\/?vuln=cve-2026-90143","title":{"rendered":"CVE-2026-90143 &#8211; In the Linux kernel, the following vulnerability has been resolved:\n\nnet: kcm: Hold RCU re"},"content":{"rendered":"<p>In the Linux kernel, the following vulnerability has been resolved:<\/p>\n<p>net: kcm: Hold RCU read lock while running BPF parser<\/p>\n<p>kcm_parse_func_strparser() calls bpf_prog_run_pin_on_cpu() which<br \/>\nprevents CPU migration, but does not establish an RCU read-side<br \/>\ncritical section. Consequently, BPF map operations can trigger<br \/>\nWARN_ON_ONCE(!bpf_rcu_lock_held()) when called from the KCM strparser<br \/>\nprogram.<\/p>\n<p>Hold the RCU read lock while running the program.<\/p>\n","protected":false},"excerpt":{"rendered":"<p>In the Linux kernel, the following vulnerability has been resolved:<\/p>\n<p>net: kcm: Hold RCU read lock while running BPF parser<\/p>\n<p>kcm_parse_func_strparser() calls bpf_prog_run_pin_on_cpu() which<br \/>\nprevents CP<\/p>\n","protected":false},"template":"","meta":[],"categories":[],"tags":[],"class_list":["post-25552","vuln","type-vuln","status-publish","hentry"],"_links":{"self":[{"href":"https:\/\/www.54iter.cn\/index.php?rest_route=\/wp\/v2\/vuln\/25552","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=25552"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/www.54iter.cn\/index.php?rest_route=%2Fwp%2Fv2%2Fcategories&post=25552"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/www.54iter.cn\/index.php?rest_route=%2Fwp%2Fv2%2Ftags&post=25552"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}