CVE-2022-21127
Publication date 15 June 2022
Last updated 24 July 2024
Ubuntu priority
Cvss 3 Severity Score
Incomplete cleanup in specific special register read operations for some Intel(R) Processors may allow an authenticated user to potentially enable information disclosure via local access.
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 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
Other references
- https://www.intel.com/content/www/us/en/security-center/advisory/intel-sa-00615.html
- https://www.intel.com/content/www/us/en/developer/articles/technical/software-security-guidance/technical-documentation/processor-mmio-stale-data-vulnerabilities.html#SRBDS-Update
- https://xenbits.xen.org/xsa/advisory-404.html
- https://www.cve.org/CVERecord?id=CVE-2022-21127