Improper Buffer Restrictions in Intel TDX Firmware
CVE-2025-21096

2LOW

Key Information:

Vendor

Intel
Status
Intel(r) Tdx
Vendor
CVE Published:
12 August 2025

What is CVE-2025-21096?

Improper buffer restrictions within the firmware for Intel TDX can potentially allow a privileged user to escalate their privileges through local access. This vulnerability underscores the importance of proper firmware security measures and regularly updating systems to mitigate risks. For detailed information, refer to Intel's advisory on this matter.

Affected Version(s)

Intel(R) TDX See references

References

https://intel.com/content/www/us/en/security-center/advis...

CVSS V4

Score:
2
Severity:
LOW
Confidentiality:
None
Integrity:
Low
Availability:
None
Attack Vector:
Local
Attack Complexity:
High
Attack Required:
None
Privileges Required:
Undefined
User Interaction:
None

Timeline

  • Vulnerability published

  • Vulnerability Reserved

JSON
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CVE-2025-21096 : Improper Buffer Restrictions in Intel TDX Firmware