medium
5.5
Advisory Published
Updated

CVE-2021-26349

First published: Tue May 10 2022(Updated: )

Failure to assign a new report ID to an imported guest may potentially result in an SEV-SNP guest VM being tricked into trusting a dishonest Migration Agent (MA).

Credit: psirt@amd.com

Affected SoftwareAffected VersionHow to fix
AMD EPYC 7763 Firmware<milanpi-sp3_1.0.0.7
AMD EPYC 7763 Firmware
AMD EPYC 7713P Firmware<milanpi-sp3_1.0.0.7
AMD EPYC 7713P Firmware
AMD EPYC 7713P Firmware<milanpi-sp3_1.0.0.7
AMD EPYC 7713 Firmware
AMD EPYC 7663 Firmware<milanpi-sp3_1.0.0.7
AMD EPYC 7663 Firmware
AMD EPYC 7643P Firmware<milanpi-sp3_1.0.0.7
AMD EPYC 7643 Firmware
AMD EPYC 75F3 Firmware<milanpi-sp3_1.0.0.7
AMD EPYC 75F3 Firmware
AMD EPYC 7543P Firmware<milanpi-sp3_1.0.0.7
AMD EPYC 7543P Firmware
Amd Epyc Server Firmware<milanpi-sp3_1.0.0.7
AMD EPYC 7543 Firmware
AMD EPYC 7513 Firmware<milanpi-sp3_1.0.0.7
AMD EPYC 7513 Firmware
Amd Epyc Server Firmware<milanpi-sp3_1.0.0.7
AMD EPYC 7453
AMD EPYC 74F3 Firmware<milanpi-sp3_1.0.0.7
AMD EPYC 74F3 Firmware
AMD EPYC 7443P Firmware<milanpi-sp3_1.0.0.7
AMD EPYC 7443P Firmware
AMD EPYC 7443P Firmware<milanpi-sp3_1.0.0.7
AMD EPYC 7443P
AMD EPYC 7413 Firmware<milanpi-sp3_1.0.0.7
AMD EPYC 7413 Firmware
AMD EPYC 73F3 Firmware<milanpi-sp3_1.0.0.7
AMD EPYC 73F3 Firmware
Amd Epyc Server Firmware<milanpi-sp3_1.0.0.7
AMD EPYC 7343 Firmware
AMD EPYC 7313P Firmware<milanpi-sp3_1.0.0.7
AMD EPYC 7313P Firmware
AMD EPYC 7313P Firmware<milanpi-sp3_1.0.0.7
AMD EPYC 7313 Firmware
AMD EPYC 72F3 Firmware<milanpi-sp3_1.0.0.7
AMD EPYC 72F3 Firmware
AMD EPYC 7773X Firmware<milanpi-sp3_1.0.0.7
AMD EPYC 7773X Firmware
AMD EPYC 7473X Firmware<milanpi-sp3_1.0.0.7
AMD EPYC 7473X Firmware
AMD EPYC 7573X Firmware<milanpi-sp3_1.0.0.7
AMD EPYC 7573X Firmware
AMD EPYC 7373X Firmware<milanpi-sp3_1.0.0.7
AMD EPYC 7373X Firmware

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Reference Links

Frequently Asked Questions

  • What is CVE-2021-26349?

    CVE-2021-26349 is a vulnerability that occurs when a new report ID is not assigned to an imported guest, potentially allowing a dishonest Migration Agent (MA) to trick an SEV-SNP guest VM into trusting them.

  • How does CVE-2021-26349 affect Amd Epyc 7763 Firmware?

    Amd Epyc 7763 Firmware with version milanpi-sp3_1.0.0.7 is affected by CVE-2021-26349.

  • How does CVE-2021-26349 affect Amd Epyc 7713p Firmware?

    Amd Epyc 7713p Firmware with version milanpi-sp3_1.0.0.7 is affected by CVE-2021-26349.

  • What is the severity of CVE-2021-26349?

    CVE-2021-26349 has a severity rating of 5.5 (medium).

  • Where can I find more information about CVE-2021-26349?

    More information about CVE-2021-26349 can be found on the AMD Product Security Bulletin page at https://www.amd.com/en/corporate/product-security/bulletin/amd-sb-1028.

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