CVE-2024-29040

Publication date 30 April 2024

Last updated 30 May 2025

Ubuntu priority

Cvss 3 Severity Score

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.

Status

Show unmaintained releases

Package	Ubuntu Release	Status
tpm2-tss	25.04 plucky	Fixed 4.1.0-1ubuntu1
	24.10 oracular	Fixed 4.1.0-1ubuntu1
	24.04 LTS noble	Fixed 4.0.1-7.1ubuntu5.1
	23.10 mantic	Fixed 4.0.1-3ubuntu1.1
	22.04 LTS jammy	Fixed 3.2.0-1ubuntu1.1
	20.04 LTS focal	Not affected
	18.04 LTS bionic	Not affected
	16.04 LTS xenial	Not affected

Severity score breakdown

Parameter	Value
Base score	4.3 · Medium
Attack vector	Local
Attack complexity	Low
Privileges required	None
User interaction	None
Scope	Changed
Confidentiality	Low
Integrity impact	None
Availability impact	None
Vector	CVSS:3.1/AV:L/AC:L/PR:N/UI:N/S:C/C:L/I:N/A:N

References

Related Ubuntu Security Notices (USN)