{"id":4877,"date":"2026-09-04T18:46:50","date_gmt":"2026-09-04T10:46:50","guid":{"rendered":"https:\/\/www.54iter.cn\/?vuln=cve-2026-64587"},"modified":"2026-09-04T18:46:50","modified_gmt":"2026-09-04T10:46:50","slug":"cve-2026-64587","status":"publish","type":"vuln","link":"https:\/\/www.54iter.cn\/?vuln=cve-2026-64587","title":{"rendered":"CVE-2026-64587 [HIGH] &#8211; In the Linux kernel, the following vulnerability has been resolved:\n\nnet: ethernet: arc: e"},"content":{"rendered":"<p>In the Linux kernel, the following vulnerability has been resolved:<\/p>\n<p>net: ethernet: arc: emac: quiesce interrupts before requesting IRQ<\/p>\n<p>Normal RX\/TX interrupts are enabled later, in arc_emac_open(), so probe<br \/>\nshould not see interrupt delivery in the usual case. However, hardware may<br \/>\nstill present stale or latched interrupt status left by firmware or the<br \/>\nbootloader.<\/p>\n<p>If probe later unwinds after devm_request_irq() has installed the handler,<br \/>\nsuch a stale interrupt can still reach arc_emac_intr() during teardown and<br \/>\nrace with release of the associated net_device.<\/p>\n<p>Avoid that window by putting the device into a known quiescent state before<br \/>\nrequesting the IRQ: disable all EMAC interrupt sources and clear any<br \/>\npending EMAC interrupt status bits. This keeps the change hardware-focused<br \/>\nand minimal, while preventing spurious IRQ delivery from leftover state.<\/p>\n","protected":false},"excerpt":{"rendered":"<p>In the Linux kernel, the following vulnerability has been resolved:<\/p>\n<p>net: ethernet: arc: emac: quiesce interrupts before requesting IRQ<\/p>\n<p>Normal RX\/TX interrupts are enabled later, in arc_emac_open(), <\/p>\n","protected":false},"template":"","meta":[],"categories":[],"tags":[],"class_list":["post-4877","vuln","type-vuln","status-publish","hentry"],"_links":{"self":[{"href":"https:\/\/www.54iter.cn\/index.php?rest_route=\/wp\/v2\/vuln\/4877","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=4877"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/www.54iter.cn\/index.php?rest_route=%2Fwp%2Fv2%2Fcategories&post=4877"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/www.54iter.cn\/index.php?rest_route=%2Fwp%2Fv2%2Ftags&post=4877"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}