Skip to content
OpenAdvisories
High USN-5886-1 4 CVEs

intel-microcode vulnerabilities

Published Feb 27, 2023 · Updated Jun 25, 2026

Summary

Erik C. Bjorge discovered that some Intel(R) Atom and Intel Xeon Scalable
Processors did not properly implement access controls for out-of-band
management. This may allow a privileged network-adjacent user to potentially
escalate privileges. (CVE-2022-21216)

Cfir Cohen, Erdem Aktas, Felix Wilhelm, James Forshaw, Josh Eads, Nagaraju
Kodalapura Nagabhushana Rao, Przemyslaw Duda, Liron Shacham and Ron Anderson
discovered that some Intel(R) Xeon(R) Processors used incorrect default
permissions in some memory controller configurations when using Intel(R)
Software Guard Extensions. This may allow a privileged local user to potentially
escalate privileges. (CVE-2022-33196)

It was discovered that some 3rd Generation Intel(R) Xeon(R) Scalable Processors
did not properly calculate microkey keying. This may allow a privileged local
user to potentially disclose information. (CVE-2022-33972)

Joseph Nuzman discovered that some Intel(R) Processors when using Intel(R)
Software Guard Extensions did not properly isolate shared resources. This may
allow a privileged local user to potentially disclose
information. (CVE-2022-38090)

Fixed packages 4

ReleasePackageFixed in
Ubuntu · 18.04 LTS 18.04:LTS intel-microcode 3.20230214.0ubuntu0.18.04.1
Ubuntu · 20.04 LTS 20.04:LTS intel-microcode 3.20230214.0ubuntu0.20.04.1
Ubuntu · 22.04 LTS 22.04:LTS intel-microcode 3.20230214.0ubuntu0.22.04.1
Ubuntu · Pro 16.04 LTS Pro:16.04:LTS intel-microcode 3.20230214.0ubuntu0.16.04.1+esm1

Vulnerabilities 4

References

  • report
    https://ubuntu.com/security/CVE-2022-21216
  • report
    https://ubuntu.com/security/CVE-2022-33196
  • report
    https://ubuntu.com/security/CVE-2022-33972
  • report
    https://ubuntu.com/security/CVE-2022-38090