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CVE-2026-23553

🗓️ 28 Jan 2026 16:16:16Reported by [email protected]Type 
nvd
 nvd
🔗 web.nvd.nist.gov👁 6 Views

CVE-2026-23553: Xen skips IBPB when a vCPU returns to a previously used CPU, leaking BTB training.

Related
Detection
Refs
ReporterTitlePublishedViews
Family
ATTACKERKB
CVE-2026-23553
28 Jan 202615:33
attackerkb
AlpineLinux
CVE-2026-23553
28 Jan 202615:33
alpinelinux
Circl
CVE-2026-23553
27 Jan 202611:09
circl
CNNVD
Xen security vulnerabilities
28 Jan 202600:00
cnnvd
Citrix
Security Bulletins for XenServer
21 Aug 202406:47
citrix
Citrix
XenServer Security Update for CVE-2025-58151 and CVE-2026-23553
27 Jan 202610:16
citrix
CVE
CVE-2026-23553
28 Jan 202615:33
cve
Cvelist
CVE-2026-23553 x86: incomplete IBPB for vCPU isolation
28 Jan 202615:33
cvelist
Debian CVE
CVE-2026-23553
28 Jan 202615:33
debiancve
EUVD
EUVD-2026-4882
28 Jan 202615:33
euvd
Rows per page
NVD
Node
xenxenRange4.6.0x86

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