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Severe, 6 weeks1496Projects326

1496 severe, 6 weeks · 326 projects

IntelCVE-2025-31356

Intel Trust Domain Extensions (Intel TDX): information disclosure

Intel

CVE-2025-31356 · Published Aug 11, 2026 · updated Sep 29, 2026

Medium5.7
No fix yet
Intel advisory

Insufficient verification of data authenticity for some Intel(R) Trust Domain Extensions (Intel(R) TDX) within Ring 0: Hypervisor may allow an information disclosure. A system software adversary with a privileged user access combined with a high complexity attack may enable data exposure. This result may potentially occur via local access when attack requirements are present without any user interaction. The potential vulnerability may impact the confidentiality (high), integrity (low) and no effect on availability. Subsequent system impacts include reduced confidentiality (low), integrity (low), and no effect on availability.

Affected versions

PackageAffectedFixed in
Intel(R) Trust Domain Extensions (Intel(R) TDX)
Product
<= See referencesNo fix yet
Details and references
CVSS 4.0
CVSS:4.0/AV:L/AC:H/AT:P/PR:H/UI:N/VC:H/VI:L/VA:N/SC:L/SI:L/SA:N/E:X/CR:X/IR:X/AR:X/MAV:X/MAC:X/MAT:X/MPR:X/MUI:X/MVC:X/MVI:X/MVA:X/MSC:X/MSI:X/MSA:X/S:X/AU:X/R:X/V:X/RE:X/U:X
Severity from
the vendor (its own CVE record or advisory)
Weakness
CWE-345

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