{"id":24680,"date":"2026-09-16T20:32:38","date_gmt":"2026-09-16T12:32:38","guid":{"rendered":"https:\/\/www.54iter.cn\/?vuln=cve-2026-89993"},"modified":"2026-09-16T20:32:38","modified_gmt":"2026-09-16T12:32:38","slug":"cve-2026-89993","status":"publish","type":"vuln","link":"https:\/\/www.54iter.cn\/?vuln=cve-2026-89993","title":{"rendered":"CVE-2026-89993 &#8211; In the Linux kernel, the following vulnerability has been resolved:\n\ndmaengine: dw-edma: I"},"content":{"rendered":"<p>In the Linux kernel, the following vulnerability has been resolved:<\/p>\n<p>dmaengine: dw-edma: Initialize IRQ data before requesting IRQs<\/p>\n<p>dw_edma_irq_request() passes struct dw_edma_irq to request_irq() before<br \/>\ndw_edma_channel_setup() fills the back pointer. A shared interrupt can<br \/>\ntherefore enter the handler with dw_irq-&gt;dw still NULL, leading to a<br \/>\nNULL pointer dereference.<\/p>\n<p>Set the back pointer before installing each handler.<\/p>\n","protected":false},"excerpt":{"rendered":"<p>In the Linux kernel, the following vulnerability has been resolved:<\/p>\n<p>dmaengine: dw-edma: Initialize IRQ data before requesting IRQs<\/p>\n<p>dw_edma_irq_request() passes struct dw_edma_irq to request_irq() be<\/p>\n","protected":false},"template":"","meta":[],"categories":[],"tags":[],"class_list":["post-24680","vuln","type-vuln","status-publish","hentry"],"_links":{"self":[{"href":"https:\/\/www.54iter.cn\/index.php?rest_route=\/wp\/v2\/vuln\/24680","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=24680"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/www.54iter.cn\/index.php?rest_route=%2Fwp%2Fv2%2Fcategories&post=24680"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/www.54iter.cn\/index.php?rest_route=%2Fwp%2Fv2%2Ftags&post=24680"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}