{"id":20404,"date":"2026-09-10T04:31:43","date_gmt":"2026-09-09T20:31:43","guid":{"rendered":"https:\/\/www.54iter.cn\/?vuln=cve-2026-80921"},"modified":"2026-09-10T04:31:43","modified_gmt":"2026-09-09T20:31:43","slug":"cve-2026-80921","status":"publish","type":"vuln","link":"https:\/\/www.54iter.cn\/?vuln=cve-2026-80921","title":{"rendered":"CVE-2026-80921 &#8211; In the Linux kernel, the following vulnerability has been resolved:\n\nKVM: s390: vsie: zero"},"content":{"rendered":"<p>In the Linux kernel, the following vulnerability has been resolved:<\/p>\n<p>KVM: s390: vsie: zero stale crypto bits<\/p>\n<p>When shadowing crypto access bits from a format0 apcb (crycb 0 or 1),<br \/>\nthe bits 64..255 are unchanged from whatever is in the vsie page in the<br \/>\ncrycb and thus in the apcb. This gives a nested guest potential access<br \/>\nto a device no longer available. Zero out the remaining bits.<\/p>\n","protected":false},"excerpt":{"rendered":"<p>In the Linux kernel, the following vulnerability has been resolved:<\/p>\n<p>KVM: s390: vsie: zero stale crypto bits<\/p>\n<p>When shadowing crypto access bits from a format0 apcb (crycb 0 or 1),<br \/>\nthe bits 64..255 are<\/p>\n","protected":false},"template":"","meta":[],"categories":[],"tags":[],"class_list":["post-20404","vuln","type-vuln","status-publish","hentry"],"_links":{"self":[{"href":"https:\/\/www.54iter.cn\/index.php?rest_route=\/wp\/v2\/vuln\/20404","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=20404"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/www.54iter.cn\/index.php?rest_route=%2Fwp%2Fv2%2Fcategories&post=20404"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/www.54iter.cn\/index.php?rest_route=%2Fwp%2Fv2%2Ftags&post=20404"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}