CVE-2022-21216
Publication date 16 February 2023
Last updated 25 August 2025
Ubuntu priority
Cvss 3 Severity Score
Description
Insufficient granularity of access control in out-of-band management in some Intel(R) Atom and Intel Xeon Scalable Processors may allow a privileged user to potentially enable escalation of privilege via adjacent network access.
Status
| Package | Ubuntu Release | Status |
|---|---|---|
| intel-microcode | ||
| 22.04 LTS jammy |
Fixed 3.20230214.0ubuntu0.22.04.1
|
|
| 20.04 LTS focal |
Fixed 3.20230214.0ubuntu0.20.04.1
|
|
| 18.04 LTS bionic |
Fixed 3.20230214.0ubuntu0.18.04.1
|
|
| 16.04 LTS xenial |
Fixed 3.20230214.0ubuntu0.16.04.1+esm1
|
|
| 14.04 LTS trusty | Ignored trusty doesn't support runtime microcode loading |
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| Parameter | Value |
|---|---|
| Base score |
|
| Attack vector | Adjacent |
| Attack complexity | Low |
| Privileges required | High |
| User interaction | None |
| Scope | Unchanged |
| Confidentiality | High |
| Integrity impact | High |
| Availability impact | High |
| Vector | CVSS:3.1/AV:A/AC:L/PR:H/UI:N/S:U/C:H/I:H/A:H |
References
Related Ubuntu Security Notices (USN)
- USN-5886-1
- Intel Microcode vulnerabilities
- 27 February 2023