medium
4.4
CWE
345
Advisory Published
Updated

CVE-2021-26396

First published: Tue Jan 10 2023(Updated: )

Insufficient validation of address mapping to IO in ASP (AMD Secure Processor) may result in a loss of memory integrity in the SNP guest.

Credit: psirt@amd.com

Affected SoftwareAffected VersionHow to fix
Amd Epyc 7003 Firmware<milanpi-sp3_1.0.0.9
Amd Epyc 7003
Amd Epyc 72f3 Firmware<milanpi-sp3_1.0.0.9
Amd Epyc 72f3
Amd Epyc 7313 Firmware<milanpi-sp3_1.0.0.9
Amd Epyc 7313
Amd Epyc 7313p Firmware<milanpi-sp3_1.0.0.9
Amd Epyc 7313p
Amd Epyc 7343 Firmware<milanpi-sp3_1.0.0.9
Amd Epyc 7343
Amd Epyc 7373x Firmware<milanpi-sp3_1.0.0.9
Amd Epyc 7373x
Amd Epyc 73f3 Firmware<milanpi-sp3_1.0.0.9
Amd Epyc 73f3
Amd Epyc 7413 Firmware<milanpi-sp3_1.0.0.9
Amd Epyc 7413
Amd Epyc 7443 Firmware<milanpi-sp3_1.0.0.9
Amd Epyc 7443
Amd Epyc 7443p Firmware<milanpi-sp3_1.0.0.9
Amd Epyc 7443p
Amd Epyc 7453 Firmware<milanpi-sp3_1.0.0.9
Amd Epyc 7453
Amd Epyc 74f3 Firmware<milanpi-sp3_1.0.0.9
Amd Epyc 74f3
Amd Epyc 7513 Firmware<milanpi-sp3_1.0.0.9
Amd Epyc 7513
Amd Epyc 7543 Firmware<milanpi-sp3_1.0.0.9
Amd Epyc 7543
Amd Epyc 7543p Firmware<milanpi-sp3_1.0.0.9
Amd Epyc 7543p
Amd Epyc 7573x Firmware<milanpi-sp3_1.0.0.9
Amd Epyc 7573x
Amd Epyc 75f3 Firmware<milanpi-sp3_1.0.0.9
Amd Epyc 75f3
Amd Epyc 7643 Firmware<milanpi-sp3_1.0.0.9
Amd Epyc 7643
Amd Epyc 7663 Firmware<milanpi-sp3_1.0.0.9
Amd Epyc 7663
Amd Epyc 7713 Firmware<milanpi-sp3_1.0.0.9
Amd Epyc 7713
Amd Epyc 7713p Firmware<milanpi-sp3_1.0.0.9
Amd Epyc 7713p
Amd Epyc 7743 Firmware<milanpi-sp3_1.0.0.9
Amd Epyc 7743
Amd Epyc 7763 Firmware<milanpi-sp3_1.0.0.9
Amd Epyc 7763
Amd Epyc 7773x Firmware<milanpi-sp3_1.0.0.9
Amd Epyc 7773x

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Reference Links

Frequently Asked Questions

  • What is the vulnerability ID?

    The vulnerability ID is CVE-2021-26396.

  • What is the title of the vulnerability?

    The title of the vulnerability is "Insufficient validation of address mapping to IO in ASP (AMD Secure Processor) may result in a loss of memory integrity in the SNP guest."

  • What is the severity of CVE-2021-26396?

    The severity of CVE-2021-26396 is medium with a severity value of 4.4.

  • Which software is affected by CVE-2021-26396?

    The affected software is Amd Epyc 7003 Firmware version milanpi-sp3_1.0.0.9.

  • How can I fix CVE-2021-26396?

    To fix CVE-2021-26396, it is recommended to update to the latest version of Amd Epyc 7003 Firmware.

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