CVE-2022-21151
Publication date 12 May 2022
Last updated 24 July 2024
Ubuntu priority
Cvss 3 Severity Score
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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Get Ubuntu ProSeverity score breakdown
Parameter | Value |
---|---|
Base score | 5.5 · Medium |
Attack vector | Local |
Attack complexity | Low |
Privileges required | Low |
User interaction | None |
Scope | Unchanged |
Confidentiality | High |
Integrity impact | None |
Availability impact | None |
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