{"id":15014,"date":"2026-09-04T19:02:22","date_gmt":"2026-09-04T11:02:22","guid":{"rendered":"https:\/\/www.54iter.cn\/?vuln=cve-2026-64018"},"modified":"2026-09-04T19:02:22","modified_gmt":"2026-09-04T11:02:22","slug":"cve-2026-64018","status":"publish","type":"vuln","link":"https:\/\/www.54iter.cn\/?vuln=cve-2026-64018","title":{"rendered":"CVE-2026-64018 [CRITICAL] &#8211; In the Linux kernel, the following vulnerability has been resolved:\n\nnet: mana: validate r"},"content":{"rendered":"<p>In the Linux kernel, the following vulnerability has been resolved:<\/p>\n<p>net: mana: validate rx_req_idx to prevent out-of-bounds array access<\/p>\n<p>In mana_hwc_rx_event_handler(), rx_req_idx is derived from<br \/>\nsge-&gt;address in DMA-coherent memory. In Confidential VMs<br \/>\n(SEV-SNP\/TDX), this memory is shared unencrypted and HW can modify<br \/>\nWQE contents at any time. No bounds check exists on rx_req_idx,<br \/>\nwhich can lead to an out-of-bounds access into reqs[].<\/p>\n<p>Add bounds check on rx_req_idx in mana_hwc_rx_event_handler() before<br \/>\nusing it to index the reqs[] array.<\/p>\n","protected":false},"excerpt":{"rendered":"<p>In the Linux kernel, the following vulnerability has been resolved:<\/p>\n<p>net: mana: validate rx_req_idx to prevent out-of-bounds array access<\/p>\n<p>In mana_hwc_rx_event_handler(), rx_req_idx is derived from<br \/>\nsg<\/p>\n","protected":false},"template":"","meta":[],"categories":[],"tags":[],"class_list":["post-15014","vuln","type-vuln","status-publish","hentry"],"_links":{"self":[{"href":"https:\/\/www.54iter.cn\/index.php?rest_route=\/wp\/v2\/vuln\/15014","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=15014"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/www.54iter.cn\/index.php?rest_route=%2Fwp%2Fv2%2Fcategories&post=15014"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/www.54iter.cn\/index.php?rest_route=%2Fwp%2Fv2%2Ftags&post=15014"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}