{"id":40941,"date":"2026-10-19T00:31:38","date_gmt":"2026-10-18T16:31:38","guid":{"rendered":"https:\/\/www.54iter.cn\/?vuln=cve-2026-98469"},"modified":"2026-10-19T00:31:38","modified_gmt":"2026-10-18T16:31:38","slug":"cve-2026-98469","status":"publish","type":"vuln","link":"https:\/\/www.54iter.cn\/?vuln=cve-2026-98469","title":{"rendered":"CVE-2026-98469 &#8211; In the Linux kernel, the following vulnerability has been resolved:\n\nKVM: arm64: Fix AArch"},"content":{"rendered":"<p>In the Linux kernel, the following vulnerability has been resolved:<\/p>\n<p>KVM: arm64: Fix AArch32 DBGBXVR handling<\/p>\n<p>The consolidation of the breakpoint and watchpoint register accessors<br \/>\nswitched DBGBXVR from trap_bvr() to trap_dbg_wb_reg(). The latter<br \/>\nselects backing storage with demux_wb_reg(), which only handles Op2 values<br \/>\n4 through 7. Since DBGBXVR uses Op2 1, an AArch32 guest access hits<br \/>\nKVM_BUG_ON() and marks the VM dead.<\/p>\n<p>DBGBXVR aliases DBGBVR_EL1[63:32], and its AA32(HI) descriptor<br \/>\nalready selects the upper half. Map Op2 1 to dbg_bvr[] alongside Op2 4,<br \/>\nrestoring the pre-regression behavior.<\/p>\n","protected":false},"excerpt":{"rendered":"<p>In the Linux kernel, the following vulnerability has been resolved:<\/p>\n<p>KVM: arm64: Fix AArch32 DBGBXVR handling<\/p>\n<p>The consolidation of the breakpoint and watchpoint register accessors<br \/>\nswitched DBGBXVR fr<\/p>\n","protected":false},"template":"","meta":[],"categories":[],"tags":[],"class_list":["post-40941","vuln","type-vuln","status-publish","hentry"],"_links":{"self":[{"href":"https:\/\/www.54iter.cn\/index.php?rest_route=\/wp\/v2\/vuln\/40941","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=40941"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/www.54iter.cn\/index.php?rest_route=%2Fwp%2Fv2%2Fcategories&post=40941"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/www.54iter.cn\/index.php?rest_route=%2Fwp%2Fv2%2Ftags&post=40941"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}