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TI-2024-19222 Aliases CVE-2024-29040

Fapi Verify Quote: Does not detect if quote was not generated by TPM

Priority MEDIUM 53CWE-502Published · Updated

Key facts

Attack vector
Local
Privileges required
None
User interaction
None
Attack complexity
Low
Impact type
Code execution
Confidentiality · integrity · availability
Low · None · None
Fix status
Partial Red Hat: 3 without a fix

Attack profile from CVSS 3.1 · CNA. Fix status from CNA and Red Hat. Impact type from CWE-502.

Summary

This repository hosts source code implementing the Trusted Computing Group's (TCG) TPM2 Software Stack (TSS). The JSON Quote Info returned by Fapi_Quote has to be deserialized by Fapi_VerifyQuote to the TPM Structure `TPMS_ATTEST`. For the field `TPM2_GENERATED magic` of this structure any number can be used in the JSON structure. The verifier can receive a state which does not represent the actual, possibly malicious state of the device under test. The malicious device might get access to data it shouldn't, or can use services it shouldn't be able to. This issue has been patched in version 4.1.0.

Why it matters now

Exploitation Proof of concept CISA SSVC · not in CISA KEV
EPSS 0.0033 26th percentileScored 2026-11-07
Fix Partial tpm2-tss (tpm2-software): 4.1.0Red Hat: 3 without a fix

SSVC decision points

CISA ADP · SSVC 2.0.3

Exploitation
Poc
Automatable
No
Technical impact
Partial

The decision (Track, Attend, Act) also depends on your mission and well-being impact; see CISA's SSVC guide.

Affected products

VendorProductAffected versionsFixed inStatusSource
tpm2-softwaretpm2-tssbefore 4.1.04.1.0Patch availableCNA
  • tpm2-tss Vendortpm2-software Affected before 4.1.0 Fixed in 4.1.0 Patch available CNA

CPE names CISA-ADP · 2

CPEVersionsRoleVendor
cpe:2.3:a:tpm2_software:tpm2_tools:*:*:*:*:*:*:*:*——tpm2-software
cpe:2.3:a:tpm2_software_stack_project:tpm2_software_stack:*:*:*:*:*:*:*:*——Tpm2 Software Stack Project
  • cpe:2.3:a:tpm2_software:tpm2_tools:*:*:*:*:*:*:*:* Versions — — ·tpm2-software
  • cpe:2.3:a:tpm2_software_stack_project:tpm2_software_stack:*:*:*:*:*:*:*:* Versions — — ·Tpm2 Software Stack Project

Remediation

  • Fix · CNA tpm2-tss (tpm2-software) Fixed in 4.1.0

Vendor assessments

Red Hat

Red Hat rating: Moderate. Red Hat's page for this CVE →

ProductStatusPlan or fix
Red Hat Enterprise Linux 7AffectedNo fix planned: Out of support scope
Red Hat Enterprise Linux 9AffectedNo fix yet
Red Hat OpenShift AI (RHOAI)Affected—
Not affected: 2 products
  • Red Hat Enterprise Linux 10
  • Red Hat Enterprise Linux 8

Timeline

  1. 2026-10-02 Threatist record created from CVE-2024-29040
  2. 2026-11-06 Affected versions changed · Red Hat

References

Other 2

Sources

This product uses the NVD API but is not endorsed or certified by the NVD. Sources and licences