{"id":6889,"date":"2026-09-04T18:49:20","date_gmt":"2026-09-04T10:49:20","guid":{"rendered":"https:\/\/www.54iter.cn\/?vuln=cve-2026-72278"},"modified":"2026-09-04T18:49:20","modified_gmt":"2026-09-04T10:49:20","slug":"cve-2026-72278","status":"publish","type":"vuln","link":"https:\/\/www.54iter.cn\/?vuln=cve-2026-72278","title":{"rendered":"CVE-2026-72278 [CRITICAL] &#8211; In the Linux kernel, the following vulnerability has been resolved:\n\nKVM: arm64: nv: Re-tr"},"content":{"rendered":"<p>In the Linux kernel, the following vulnerability has been resolved:<\/p>\n<p>KVM: arm64: nv: Re-translate VNCR before injecting abort<\/p>\n<p>KVM faults in the VNCR page with FOLL_WRITE whenever the guest aborts<br \/>\nfor a write, similar to how a regular stage-2 mapping is handled. It is<br \/>\nentirely possible that the guest reads from the VNCR before writing to<br \/>\nit, in which case the PFN could only be read-only.<\/p>\n<p>Invalidate the VNCR TLB and re-fetch the translation upon taking a VNCR<br \/>\nabort, allowing the host mapping to be faulted in for write the second<br \/>\ntime around. Interestingly enough, this also satisfies the ordering<br \/>\nrequirements of FEAT_ETS2\/3 between descriptor updates and MMU faults.<\/p>\n","protected":false},"excerpt":{"rendered":"<p>In the Linux kernel, the following vulnerability has been resolved:<\/p>\n<p>KVM: arm64: nv: Re-translate VNCR before injecting abort<\/p>\n<p>KVM faults in the VNCR page with FOLL_WRITE whenever the guest aborts<br \/>\nfor<\/p>\n","protected":false},"template":"","meta":[],"categories":[],"tags":[],"class_list":["post-6889","vuln","type-vuln","status-publish","hentry"],"_links":{"self":[{"href":"https:\/\/www.54iter.cn\/index.php?rest_route=\/wp\/v2\/vuln\/6889","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=6889"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/www.54iter.cn\/index.php?rest_route=%2Fwp%2Fv2%2Fcategories&post=6889"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/www.54iter.cn\/index.php?rest_route=%2Fwp%2Fv2%2Ftags&post=6889"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}