Advisory Published
Updated

CVE-2021-33117

First published: Thu May 12 2022(Updated: )

Improper access control for some 3rd Generation Intel(R) Xeon(R) Scalable Processors before BIOS version MR7, may allow a local attacker to potentially enable information disclosure via local access.

Credit: secure@intel.com

Affected SoftwareAffected VersionHow to fix
All of
Intel BIOS Firmware<mr7
Any of
Intel Xeon Gold 5315y Firmware
Intel Xeon Gold 5317 Firmware
Intel Xeon Gold 5318h Firmware
Intel Xeon Gold 5318n Firmware
Intel Xeon Gold 5318s Firmware
Intel Xeon Gold 5318y Firmware
Intel Xeon Gold 5320 Firmware
Intel Xeon Gold 5320h Firmware
Intel Xeon Gold 5320t Firmware
Intel Xeon Gold 6312U Firmware
Intel Xeon Gold 6314u Firmware
Intel Xeon Gold 6326 Firmware
Intel Xeon Gold 6328H Firmware
Intel Xeon Gold 6328HL
Intel Xeon Gold 6330 Firmware
Intel Xeon Gold 6330H Firmware
Intel Xeon Gold 6330n Firmware
Intel Xeon Gold 6334 Firmware
Intel Xeon Gold 6336Y
Intel Xeon Gold 6338
Intel Xeon Gold 6338n Firmware
Intel Xeon Gold 6338T
Intel Xeon Gold 6342 Firmware
Intel Xeon Gold 6346 Firmware
Intel Xeon Gold 6348 Firmware
Intel Xeon Gold 6348H
Intel Xeon Gold 6354 Firmware
Intel Xeon Platinum 8351n
Intel Xeon Platinum 8352M
Intel Xeon Platinum 8352S
Intel Xeon Platinum 8352v
Intel Xeon Platinum 8352y Firmware
Intel Xeon Platinum 8353h Firmware
Intel Xeon Platinum 8354H
Intel Xeon Platinum 8356h Firmware
Intel Xeon Platinum 8358
Intel Xeon Platinum Processors
Intel Xeon Platinum 8360h Firmware
Intel Xeon Platinum 8360HL
Intel Xeon Platinum 8360Y
Intel Xeon Platinum Processors
Intel Xeon Platinum 8368
Intel Xeon Platinum 8368q Firmware
Intel Xeon Platinum 8376H Firmware
Intel Xeon Platinum 8376hl Firmware
Intel Xeon Platinum 8380
Intel Xeon Platinum 8380H Firmware
Intel Xeon Platinum 8380hl
Intel Xeon Silver 4309Y
Intel Xeon Silver 4310
Intel Xeon Silver 4310t Firmware
Intel Xeon Silver 4314 Firmware
Intel Xeon Silver 4316
NetApp FAS/AFF BIOS
Intel BIOS Firmware<mr7
Intel Xeon Gold 5315y Firmware
Intel Xeon Gold 5317 Firmware
Intel Xeon Gold 5318h Firmware
Intel Xeon Gold 5318n Firmware
Intel Xeon Gold 5318s Firmware
Intel Xeon Gold 5318y Firmware
Intel Xeon Gold 5320 Firmware
Intel Xeon Gold 5320h Firmware
Intel Xeon Gold 5320t Firmware
Intel Xeon Gold 6312U Firmware
Intel Xeon Gold 6314u Firmware
Intel Xeon Gold 6326 Firmware
Intel Xeon Gold 6328H Firmware
Intel Xeon Gold 6328HL
Intel Xeon Gold 6330 Firmware
Intel Xeon Gold 6330H Firmware
Intel Xeon Gold 6330n Firmware
Intel Xeon Gold 6334 Firmware
Intel Xeon Gold 6336Y
Intel Xeon Gold 6338
Intel Xeon Gold 6338n Firmware
Intel Xeon Gold 6338T
Intel Xeon Gold 6342 Firmware
Intel Xeon Gold 6346 Firmware
Intel Xeon Gold 6348 Firmware
Intel Xeon Gold 6348H
Intel Xeon Gold 6354 Firmware
Intel Xeon Platinum 8351n
Intel Xeon Platinum 8352M
Intel Xeon Platinum 8352S
Intel Xeon Platinum 8352v
Intel Xeon Platinum 8352y Firmware
Intel Xeon Platinum 8353h Firmware
Intel Xeon Platinum 8354H
Intel Xeon Platinum 8356h Firmware
Intel Xeon Platinum 8358
Intel Xeon Platinum Processors
Intel Xeon Platinum 8360h Firmware
Intel Xeon Platinum 8360HL
Intel Xeon Platinum 8360Y
Intel Xeon Platinum Processors
Intel Xeon Platinum 8368
Intel Xeon Platinum 8368q Firmware
Intel Xeon Platinum 8376H Firmware
Intel Xeon Platinum 8376hl Firmware
Intel Xeon Platinum 8380
Intel Xeon Platinum 8380H Firmware
Intel Xeon Platinum 8380hl
Intel Xeon Silver 4309Y
Intel Xeon Silver 4310
Intel Xeon Silver 4310t Firmware
Intel Xeon Silver 4314 Firmware
Intel Xeon Silver 4316
debian/intel-microcode
3.20240813.1~deb11u1
3.20250211.1~deb11u1
3.20250211.1~deb12u1
3.20231114.1~deb12u1
3.20250211.1

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Frequently Asked Questions

  • What is CVE-2021-33117?

    CVE-2021-33117 is a vulnerability related to improper access control for some 3rd Generation Intel(R) Xeon(R) Scalable Processors before BIOS version MR7.

  • How does CVE-2021-33117 impact systems?

    CVE-2021-33117 may allow a local attacker to potentially enable information disclosure via local access.

  • Which software versions are affected by CVE-2021-33117?

    The affected software versions include 3rd Generation Intel(R) Xeon(R) Scalable Processors before BIOS version MR7.

  • How can I fix CVE-2021-33117 on Ubuntu?

    To fix CVE-2021-33117 on Ubuntu, update the 'intel-microcode' package to version 3.20220207.1 or later.

  • How can I fix CVE-2021-33117 on Debian?

    To fix CVE-2021-33117 on Debian, update the 'intel-microcode' package to one of the following versions: 3.20220510.1~deb10u1, 3.20230808.1~deb10u1, 3.20230214.1~deb11u1, 3.20230808.1~deb11u1, 3.20230512.1, or 3.20230808.1~deb12u1.

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