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OpenAdvisories
Medium · 5.5 CVE-2021-33117 EUVD-2021-19832GHSA-fmf3-xj8j-qrw9

Improper access control for some 3rd Generation Intel(R) Xeon(R) Scalable Processors before BIOS version MR7, may allow a local attacker to…

Published May 12, 2022 · Updated May 5, 2025 · Assigned by intel

Description

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.

Affected products

VendorProductAffectedFixed
— Intel(R) Xeon(R) Scalable Processors See references —

Fixed in Linux distributions

Distributions backport fixes, so the version that fixes this vulnerability differs per release — upgrade to at least the version shown. From the distributions' security trackers and advisories.

ReleasePackageFixed inAdvisory
Debian 14 intel-microcode 3.20220207.1 —
Debian 13 intel-microcode 3.20220207.1 —
Debian 12 intel-microcode 3.20220207.1 —
ReleasePackageFixed inAdvisory
Ubuntu 22.04 LTS intel-microcode 3.20220510.0ubuntu0.22.04.1 USN-5486-1
Ubuntu 20.04 LTS intel-microcode 3.20220510.0ubuntu0.20.04.1 USN-5486-1
Ubuntu 18.04 LTS intel-microcode 3.20220510.0ubuntu0.18.04.1 USN-5486-1
Show 2 more (older releases, extended support, other products)
ReleasePackageFixed inAdvisory
Ubuntu Pro 16.04 LTS intel-microcode 3.20220510.0ubuntu0.16.04.1+esm1 USN-5535-1
Ubuntu Pro 14.04 LTS intel-microcode No fix yet —

Amazon Linux

ReleasePackageFixed inAdvisory
Amazon Linux 2023 microcode_ctl 2:2.1-53.amzn2023 ALAS2023-2023-055
Amazon Linux 2 microcode_ctl 2:2.1-47.amzn2.0.11 ALAS2-2022-1762

Advisories 5

References