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INTEL® TDX MODULE SOFTWARE ADVISORY

Intel ID: INTEL-SA-01010 Advisory Category: Software Impact of vulnerability:
Escalation of Privilege Severity rating: MEDIUM Original release: 08/13/2024
Last revised: 08/13/2024

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SUMMARY: 

A potential security vulnerability in Intel® Trust Domain Extensions (TDX)
module software may allow escalation of privilege. Intel is releasing firmware
updates to mitigate this potential vulnerability.


VULNERABILITY DETAILS: 

CVEID:  CVE-2024-39283

Description: Incomplete filtering of special elements in Intel® TDX module
software before version TDX_1.5.01.00.592 may allow an authenticated user to
potentially enable escalation of privilege via local access.

CVSS Base Score 3.1: 6.0 Medium

CVSS Vector 3.1:  CVSS:3.1/AV:L/AC:L/PR:H/UI:N/S:U/C:H/I:H/A:N

CVSS Base Score 4.0: 8.5 High

CVSS Vector 4.0:
 CVSS:4.0/AV:L/AC:L/AT:P/PR:H/UI:N/VC:H/VI:H/VA:N/SC:H/SI:H/SA:N


AFFECTED PRODUCTS:

Intel® TDX module software before version TDX 1.5.01.00.592.


RECOMMENDATION:

Intel recommends updating the TDX module software to version TDX 1.5.01.02.595
or later.


ACKNOWLEDGEMENTS:

Intel would like to thank Maxime Villard from Microsoft for reporting this
issue.

Intel, and nearly the entire technology industry, follows a disclosure practice
called Coordinated Disclosure, under which a cybersecurity vulnerability is
generally publicly disclosed only after mitigations are available.


REVISION HISTORY



Revision Date Description 1.0 08/13/2024 Initial Release

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