{"id":41016,"date":"2026-10-19T00:31:50","date_gmt":"2026-10-18T16:31:50","guid":{"rendered":"https:\/\/www.54iter.cn\/?vuln=cve-2026-98544"},"modified":"2026-10-19T00:31:50","modified_gmt":"2026-10-18T16:31:50","slug":"cve-2026-98544","status":"publish","type":"vuln","link":"https:\/\/www.54iter.cn\/?vuln=cve-2026-98544","title":{"rendered":"CVE-2026-98544 &#8211; In the Linux kernel, the following vulnerability has been resolved:\n\nbna: prevent IOC time"},"content":{"rendered":"<p>In the Linux kernel, the following vulnerability has been resolved:<\/p>\n<p>bna: prevent IOC timer rearm during teardown<\/p>\n<p>bna: prevent IOC timer rearm during teardown<\/p>\n<p>bnad_pci_remove() and the probe disable_ioceth path call<br \/>\ntimer_delete_sync() for ioc_timer, sem_timer and hb_timer, but not for<br \/>\niocpf_timer.  bnad_iocpf_timeout() then takes bnad-&gt;bna_lock after<br \/>\nfree_netdev() has freed the struct bnad.<\/p>\n<p>Deleting iocpf_timer last does not fix this.  sem_timer and<br \/>\niocpf_timer rearm each other: bnad_iocpf_sem_timeout() can arm<br \/>\niocpf_timer, and bnad_iocpf_timeout() arms sem_timer from<br \/>\nbfa_ioc_hw_sem_get() when the semaphore is busy.<br \/>\ntimer_delete_sync() only waits out its own callback.<br \/>\nbnad_ioceth_disable() can time out and leave that callback live.<\/p>\n<p>Shut all four IOC timers down with timer_shutdown_sync() on both<br \/>\npaths, so a later mod_timer() is ignored.<\/p>\n<p>This issue was identified during our ongoing static-analysis research<br \/>\nwhile reviewing kernel code.<\/p>\n","protected":false},"excerpt":{"rendered":"<p>In the Linux kernel, the following vulnerability has been resolved:<\/p>\n<p>bna: prevent IOC timer rearm during teardown<\/p>\n<p>bna: prevent IOC timer rearm during teardown<\/p>\n<p>bnad_pci_remove() and the probe disable<\/p>\n","protected":false},"template":"","meta":[],"categories":[],"tags":[],"class_list":["post-41016","vuln","type-vuln","status-publish","hentry"],"_links":{"self":[{"href":"https:\/\/www.54iter.cn\/index.php?rest_route=\/wp\/v2\/vuln\/41016","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=41016"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/www.54iter.cn\/index.php?rest_route=%2Fwp%2Fv2%2Fcategories&post=41016"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/www.54iter.cn\/index.php?rest_route=%2Fwp%2Fv2%2Ftags&post=41016"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}