CVE-2022-21151
Publication date 12 May 2022
Last updated 25 August 2025
Ubuntu priority
Description
Processor optimization removal or modification of security-critical code for some Intel(R) Processors may allow an authenticated user to potentially enable information disclosure via local access.
From the Ubuntu Security Team
Alysa Milburn, Jason Brandt, Avishai Redelman and Nir Lavi discovered that some Intel processors improperly optimised security-critical code. A local attacker could possibly use this to expose sensitive information.
Status
| Package | Ubuntu Release | Status |
|---|---|---|
| intel-microcode | ||
| 22.04 LTS jammy |
Fixed 3.20220510.0ubuntu0.22.04.1
|
|
| 20.04 LTS focal |
Fixed 3.20220510.0ubuntu0.20.04.1
|
|
| 18.04 LTS bionic |
Fixed 3.20220510.0ubuntu0.18.04.1
|
|
| 16.04 LTS xenial |
Fixed 3.20220510.0ubuntu0.16.04.1+esm1
|
|
| 14.04 LTS trusty | Ignored end of ESM support, was ignored [early microcode loading not allowed] |
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CVSS version: CVSS v3.0
Base score
5.5 · Medium
Vector: CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:N/A:N
References
Related Ubuntu Security Notices (USN)
- USN-5486-1
- Intel Microcode vulnerabilities
- 20 June 2022
- USN-5535-1
- Intel Microcode vulnerabilities
- 28 July 2022