{"id":25713,"date":"2026-09-18T04:31:46","date_gmt":"2026-09-17T20:31:46","guid":{"rendered":"https:\/\/www.54iter.cn\/?vuln=cve-2026-90304"},"modified":"2026-09-18T04:31:46","modified_gmt":"2026-09-17T20:31:46","slug":"cve-2026-90304","status":"publish","type":"vuln","link":"https:\/\/www.54iter.cn\/?vuln=cve-2026-90304","title":{"rendered":"CVE-2026-90304 &#8211; In the Linux kernel, the following vulnerability has been resolved:\n\nARM: 9484\/1: enable i"},"content":{"rendered":"<p>In the Linux kernel, the following vulnerability has been resolved:<\/p>\n<p>ARM: 9484\/1: enable interrupts when unhandled user faults are triggered<\/p>\n<p>PREEMPT_RT requires interrupts to be enabled when sending signals.<\/p>\n<p>When do_DataAbort()\/do_PrefetchAbort() triggers unhandled user faults,<br \/>\nthat is `inf-&gt;fn()` return a non-zero value, and the interrupts are not<br \/>\nenabled within the hook function, force_sig_fault() will be called<br \/>\nwith interrupts disabled.<\/p>\n<p>This can be triggered by user programs executing the bkpt instruction,<br \/>\nwith kernel config CONFIG_PERF_EVENTS=n.<\/p>\n<p>Enable interrupts in do_DataAbort()\/do_PrefetchAbort() when unhandled<br \/>\nuser faults are triggered to fix the issue.<\/p>\n","protected":false},"excerpt":{"rendered":"<p>In the Linux kernel, the following vulnerability has been resolved:<\/p>\n<p>ARM: 9484\/1: enable interrupts when unhandled user faults are triggered<\/p>\n<p>PREEMPT_RT requires interrupts to be enabled when sending <\/p>\n","protected":false},"template":"","meta":[],"categories":[],"tags":[],"class_list":["post-25713","vuln","type-vuln","status-publish","hentry"],"_links":{"self":[{"href":"https:\/\/www.54iter.cn\/index.php?rest_route=\/wp\/v2\/vuln\/25713","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=25713"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/www.54iter.cn\/index.php?rest_route=%2Fwp%2Fv2%2Fcategories&post=25713"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/www.54iter.cn\/index.php?rest_route=%2Fwp%2Fv2%2Ftags&post=25713"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}