Vulnerability Description
TCG TPM2.0 Reference implementation's CryptHmacSign helper function is vulnerable to Out-of-Bounds read due to the lack of validation the signature scheme with the signature key's algorithm. See Errata Revision 1.83 and advisory TCGVRT0009 for TCG standard TPM2.0
CVSS Score
MEDIUM
Related Weaknesses (CWE)
References
- https://github.com/stefanberger/libtpms/commit/04b2d8e9afc0a9b6bffe562a23e58c0de
- https://trustedcomputinggroup.org/about/security/
- https://trustedcomputinggroup.org/wp-content/uploads/TPM2.0-Library-Spec-v1.83-E
- https://trustedcomputinggroup.org/wp-content/uploads/VRT0009-Advisory-FINAL.pdf
- https://www.cve.org/CVERecord?id=CVE-2025-49133
- https://www.intel.com/content/www/us/en/security-center/advisory/intel-sa-01209.
- https://www.kb.cert.org/vuls/id/282450
- https://cert-portal.siemens.com/productcert/html/ssa-628843.html
FAQ
What is CVE-2025-2884?
CVE-2025-2884 is a vulnerability with a CVSS score of 6.6 (MEDIUM). TCG TPM2.0 Reference implementation's CryptHmacSign helper function is vulnerable to Out-of-Bounds read due to the lack of validation the signature scheme with the signature key's algorithm. See Errat...
How severe is CVE-2025-2884?
CVE-2025-2884 has been rated MEDIUM with a CVSS base score of 6.6/10. Review the CVSS metrics above for detailed severity breakdown.
Is there a patch for CVE-2025-2884?
Check the references section above for vendor advisories and patch information. Review vendor security bulletins for remediation guidance.