{"id":40958,"date":"2026-10-19T00:31:40","date_gmt":"2026-10-18T16:31:40","guid":{"rendered":"https:\/\/www.54iter.cn\/?vuln=cve-2026-98486"},"modified":"2026-10-19T00:31:40","modified_gmt":"2026-10-18T16:31:40","slug":"cve-2026-98486","status":"publish","type":"vuln","link":"https:\/\/www.54iter.cn\/?vuln=cve-2026-98486","title":{"rendered":"CVE-2026-98486 &#8211; In the Linux kernel, the following vulnerability has been resolved:\n\nnet: ena: fix MMIO re"},"content":{"rendered":"<p>In the Linux kernel, the following vulnerability has been resolved:<\/p>\n<p>net: ena: fix MMIO read buffer leak on probe failure<\/p>\n<p>ena_device_init() initializes the MMIO read mechanism with<br \/>\nena_com_mmio_reg_read_request_init(), which allocates a coherent DMA<br \/>\nbuffer for MMIO read responses.<\/p>\n<p>The normal removal path releases this buffer through<br \/>\nena_com_mmio_reg_read_request_destroy(). However, if ena_probe() fails<br \/>\nafter ena_device_init() succeeds, the error path destroys the admin<br \/>\nresources and eventually frees ena_dev without destroying the MMIO read<br \/>\nrequest, leaving the coherent DMA buffer allocated.<\/p>\n<p>Call ena_com_mmio_reg_read_request_destroy() in the probe error path<br \/>\nbefore releasing the remaining device resources.<\/p>\n<p>This issue was found by manual code inspection.<\/p>\n","protected":false},"excerpt":{"rendered":"<p>In the Linux kernel, the following vulnerability has been resolved:<\/p>\n<p>net: ena: fix MMIO read buffer leak on probe failure<\/p>\n<p>ena_device_init() initializes the MMIO read mechanism with<br \/>\nena_com_mmio_reg_r<\/p>\n","protected":false},"template":"","meta":[],"categories":[],"tags":[],"class_list":["post-40958","vuln","type-vuln","status-publish","hentry"],"_links":{"self":[{"href":"https:\/\/www.54iter.cn\/index.php?rest_route=\/wp\/v2\/vuln\/40958","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=40958"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/www.54iter.cn\/index.php?rest_route=%2Fwp%2Fv2%2Fcategories&post=40958"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/www.54iter.cn\/index.php?rest_route=%2Fwp%2Fv2%2Ftags&post=40958"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}