CVE-2022-21127
Published: 15 June 2022
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.
Priority
Status
Package | Release | Status |
---|---|---|
intel-microcode Launchpad, Ubuntu, Debian |
bionic |
Released
(3.20220510.0ubuntu0.18.04.1)
|
focal |
Released
(3.20220510.0ubuntu0.20.04.1)
|
|
impish |
Released
(3.20220510.0ubuntu0.21.10.1)
|
|
jammy |
Released
(3.20220510.0ubuntu0.22.04.1)
|
|
kinetic |
Released
(3.20220510.0ubuntu1)
|
|
trusty |
Ignored
(early microcode loading not allowed)
|
|
upstream |
Released
(3.20220510.1)
|
|
xenial |
Released
(3.20220510.0ubuntu0.16.04.1+esm1)
|
Severity score breakdown
Parameter | Value |
---|---|
Base score | 5.5 |
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
- https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2022-21127
- 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://ubuntu.com/security/notices/USN-5486-1
- https://ubuntu.com/security/notices/USN-5535-1
- NVD
- Launchpad
- Debian