Incorrect Default Permissions Affecting intel-microcode package, versions <3.20241112.0ubuntu0.20.04.1


Severity

Recommended
medium

Based on Ubuntu security rating.

Threat Intelligence

EPSS
0.04% (11th percentile)

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  • Snyk IDSNYK-UBUNTU2004-INTELMICROCODE-8370293
  • published13 Nov 2024
  • disclosed13 Nov 2024

Introduced: 13 Nov 2024

CVE-2024-21820  (opens in a new tab)
CWE-276  (opens in a new tab)

How to fix?

Upgrade Ubuntu:20.04 intel-microcode to version 3.20241112.0ubuntu0.20.04.1 or higher.

NVD Description

Note: Versions mentioned in the description apply only to the upstream intel-microcode package and not the intel-microcode package as distributed by Ubuntu. See How to fix? for Ubuntu:20.04 relevant fixed versions and status.

Incorrect default permissions in some Intel(R) Xeon(R) processor memory controller configurations when using Intel(R) SGX may allow a privileged user to potentially enable escalation of privilege via local access.

CVSS Scores

version 3.1