{"id":17340,"date":"2026-09-05T02:31:00","date_gmt":"2026-09-04T18:31:00","guid":{"rendered":"https:\/\/www.54iter.cn\/?vuln=cve-2026-80836"},"modified":"2026-09-05T02:31:00","modified_gmt":"2026-09-04T18:31:00","slug":"cve-2026-80836","status":"publish","type":"vuln","link":"https:\/\/www.54iter.cn\/?vuln=cve-2026-80836","title":{"rendered":"CVE-2026-80836 &#8211; In the Linux kernel, the following vulnerability has been resolved:\n\ncrypto: virtio &#8211; boun"},"content":{"rendered":"<p>In the Linux kernel, the following vulnerability has been resolved:<\/p>\n<p>crypto: virtio &#8211; bound the akcipher result length<\/p>\n<p>virtio_crypto_dataq_akcipher_callback() sets the result length from the<br \/>\ndevice-reported response length without bounding it to the destination<br \/>\nbuffer, which was allocated for the original request length.<br \/>\nsg_copy_from_buffer() then reads that many bytes from the destination<br \/>\nbuffer; a backend reporting a larger length over-reads adjacent kernel<br \/>\nheap into the caller&#8217;s scatterlist (an out-of-bounds read).<\/p>\n<p>Clamp the reported length to the originally requested destination length.<br \/>\nA conforming device reports no more than that, so valid results are<br \/>\nunaffected.<\/p>\n","protected":false},"excerpt":{"rendered":"<p>In the Linux kernel, the following vulnerability has been resolved:<\/p>\n<p>crypto: virtio &#8211; bound the akcipher result length<\/p>\n<p>virtio_crypto_dataq_akcipher_callback() sets the result length from the<br \/>\ndevice-r<\/p>\n","protected":false},"template":"","meta":[],"categories":[],"tags":[],"class_list":["post-17340","vuln","type-vuln","status-publish","hentry"],"_links":{"self":[{"href":"https:\/\/www.54iter.cn\/index.php?rest_route=\/wp\/v2\/vuln\/17340","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=17340"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/www.54iter.cn\/index.php?rest_route=%2Fwp%2Fv2%2Fcategories&post=17340"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/www.54iter.cn\/index.php?rest_route=%2Fwp%2Fv2%2Ftags&post=17340"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}