{"id":17421,"date":"2026-09-05T02:31:06","date_gmt":"2026-09-04T18:31:06","guid":{"rendered":"https:\/\/www.54iter.cn\/?vuln=cve-2026-80873"},"modified":"2026-09-05T02:31:06","modified_gmt":"2026-09-04T18:31:06","slug":"cve-2026-80873","status":"publish","type":"vuln","link":"https:\/\/www.54iter.cn\/?vuln=cve-2026-80873","title":{"rendered":"CVE-2026-80873 &#8211; In the Linux kernel, the following vulnerability has been resolved:\n\nKVM: arm64: nv: Write"},"content":{"rendered":"<p>In the Linux kernel, the following vulnerability has been resolved:<\/p>\n<p>KVM: arm64: nv: Write ESR_EL2 for injected nested SError exceptions<\/p>\n<p>kvm_inject_el2_exception() writes ESR_EL2 for synchronous exceptions<br \/>\nbut not for SError. enter_exception64() does not write ESR_ELx for any<br \/>\nexception type, so the constructed syndrome is dropped. A guest L2<br \/>\nhypervisor taking a nested SError observes stale ESR_EL2.<\/p>\n<p>This affects both kvm_inject_nested_serror() and the EASE path in<br \/>\nkvm_inject_nested_sea().<\/p>\n<p>Write ESR_EL2 for except_type_serror, matching except_type_sync.<\/p>\n","protected":false},"excerpt":{"rendered":"<p>In the Linux kernel, the following vulnerability has been resolved:<\/p>\n<p>KVM: arm64: nv: Write ESR_EL2 for injected nested SError exceptions<\/p>\n<p>kvm_inject_el2_exception() writes ESR_EL2 for synchronous exce<\/p>\n","protected":false},"template":"","meta":[],"categories":[],"tags":[],"class_list":["post-17421","vuln","type-vuln","status-publish","hentry"],"_links":{"self":[{"href":"https:\/\/www.54iter.cn\/index.php?rest_route=\/wp\/v2\/vuln\/17421","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=17421"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/www.54iter.cn\/index.php?rest_route=%2Fwp%2Fv2%2Fcategories&post=17421"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/www.54iter.cn\/index.php?rest_route=%2Fwp%2Fv2%2Ftags&post=17421"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}