CVE catalog
CVE-2022-21127
intel-microcode: CVE-2022-21127
- Severity
- Medium · CVSS 5.6
CVSS:3.1/AV:L/AC:H/PR:L/UI:N/S:C/C:H/I:N/A:N - Published
- Source
- [NVD] · [CVE record]
- EPSS
- 5.51% · Oct 27, 2026
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.
Vulnerable and fixed packages
Distribution-reported package versions and fixes. These do not depend on matching against the OpenFactory package catalog.
| Distribution | Package | Release | Version | Status |
|---|---|---|---|---|
| Debian | intel-microcode | sid | 3.20260227.1 | fixed |
| Debian | intel-microcode | forky | 3.20260227.1 | fixed |
| Debian | intel-microcode | trixie | 3.20251111.1~deb13u1 | fixed |
| Debian | intel-microcode | trixie-security | 3.20250812.1~deb13u1 | fixed |
| Debian | intel-microcode | bookworm | 3.20251111.1~deb12u1 | fixed |
| Debian | intel-microcode | bookworm-security | 3.20250812.1~deb12u1 | fixed |
| Ubuntu | intel-microcode | pro | 3.20150121.1 | vulnerable |
| Ubuntu | intel-microcode | pro | 3.20151106.1 | vulnerable |
| Ubuntu | intel-microcode | pro | 3.20170707.1~ubuntu16.04.0 | vulnerable |
| Ubuntu | intel-microcode | pro | 3.20180108.0~ubuntu16.04.2 | vulnerable |
| Ubuntu | intel-microcode | pro | 3.20180108.0+really20170707ubuntu16.04.1 | vulnerable |
| Ubuntu | intel-microcode | pro | 3.20180312.0~ubuntu16.04.1 | vulnerable |
| Ubuntu | intel-microcode | pro | 3.20180425.1~ubuntu0.16.04.1 | vulnerable |
| Ubuntu | intel-microcode | pro | 3.20180425.1~ubuntu0.16.04.2 | vulnerable |
| Ubuntu | intel-microcode | pro | 3.20180807a.0ubuntu0.16.04.1 | vulnerable |
| Ubuntu | intel-microcode | pro | 3.20190514.0ubuntu0.16.04.1 | vulnerable |
| Ubuntu | intel-microcode | pro | 3.20190514.0ubuntu0.16.04.2 | vulnerable |
| Ubuntu | intel-microcode | pro | 3.20190618.0ubuntu0.16.04.1 | vulnerable |
| Ubuntu | intel-microcode | pro | 3.20191112-0ubuntu0.16.04.2 | vulnerable |
| Ubuntu | intel-microcode | pro | 3.20191115.1ubuntu0.16.04.1 | vulnerable |
| Ubuntu | intel-microcode | pro | 3.20191115.1ubuntu0.16.04.2 | vulnerable |
| Ubuntu | intel-microcode | pro | 3.20200609.0ubuntu0.16.04.0 | vulnerable |
| Ubuntu | intel-microcode | pro | 3.20200609.0ubuntu0.16.04.1 | vulnerable |
| Ubuntu | intel-microcode | pro | 3.20201110.0ubuntu0.16.04.1 | vulnerable |
| Ubuntu | intel-microcode | pro | 3.20201110.0ubuntu0.16.04.2 | vulnerable |
| Ubuntu | intel-microcode | pro | 3.20210216.0ubuntu0.16.04.1 | vulnerable |
| Ubuntu | intel-microcode | pro | 3.20210608.0ubuntu0.16.04.1+esm1 | vulnerable |
| Ubuntu | intel-microcode | pro | 3.20220510.0ubuntu0.16.04.1+esm1 | fixed |
| Ubuntu | intel-microcode | 18.04 | 3.20170707.1 | vulnerable |
| Ubuntu | intel-microcode | 18.04 | 3.20171117.1 | vulnerable |
| Ubuntu | intel-microcode | 18.04 | 3.20180108.1 | vulnerable |
| Ubuntu | intel-microcode | 18.04 | 3.20180108.1+really20171117.1 | vulnerable |
| Ubuntu | intel-microcode | 18.04 | 3.20180312.0~ubuntu18.04.1 | vulnerable |
| Ubuntu | intel-microcode | 18.04 | 3.20180425.1~ubuntu0.18.04.1 | vulnerable |
| Ubuntu | intel-microcode | 18.04 | 3.20180425.1~ubuntu0.18.04.2 | vulnerable |
| Ubuntu | intel-microcode | 18.04 | 3.20180807a.0ubuntu0.18.04.1 | vulnerable |
| Ubuntu | intel-microcode | 18.04 | 3.20190514.0ubuntu0.18.04.2 | vulnerable |
| Ubuntu | intel-microcode | 18.04 | 3.20190514.0ubuntu0.18.04.3 | vulnerable |
| Ubuntu | intel-microcode | 18.04 | 3.20190618.0ubuntu0.18.04.1 | vulnerable |
| Ubuntu | intel-microcode | 18.04 | 3.20191112-0ubuntu0.18.04.2 | vulnerable |
| Ubuntu | intel-microcode | 18.04 | 3.20191115.1ubuntu0.18.04.1 | vulnerable |
| Ubuntu | intel-microcode | 18.04 | 3.20191115.1ubuntu0.18.04.2 | vulnerable |
| Ubuntu | intel-microcode | 18.04 | 3.20200609.0ubuntu0.18.04.0 | vulnerable |
| Ubuntu | intel-microcode | 18.04 | 3.20200609.0ubuntu0.18.04.1 | vulnerable |
| Ubuntu | intel-microcode | 18.04 | 3.20201110.0ubuntu0.18.04.1 | vulnerable |
| Ubuntu | intel-microcode | 18.04 | 3.20201110.0ubuntu0.18.04.2 | vulnerable |
| Ubuntu | intel-microcode | 18.04 | 3.20210216.0ubuntu0.18.04.1 | vulnerable |
| Ubuntu | intel-microcode | 18.04 | 3.20210608.0ubuntu0.18.04.1 | vulnerable |
| Ubuntu | intel-microcode | 18.04 | 3.20220510.0ubuntu0.18.04.1 | fixed |
| Ubuntu | intel-microcode | 20.04 | 3.20190918.1ubuntu1 | vulnerable |
| Ubuntu | intel-microcode | 20.04 | 3.20191115.1ubuntu1 | vulnerable |
| Ubuntu | intel-microcode | 20.04 | 3.20191115.1ubuntu2 | vulnerable |
| Ubuntu | intel-microcode | 20.04 | 3.20191115.1ubuntu3 | vulnerable |
| Ubuntu | intel-microcode | 20.04 | 3.20200609.0ubuntu0.20.04.0 | vulnerable |
| Ubuntu | intel-microcode | 20.04 | 3.20200609.0ubuntu0.20.04.1 | vulnerable |
| Ubuntu | intel-microcode | 20.04 | 3.20200609.0ubuntu0.20.04.2 | vulnerable |
| Ubuntu | intel-microcode | 20.04 | 3.20201110.0ubuntu0.20.04.1 | vulnerable |
| Ubuntu | intel-microcode | 20.04 | 3.20201110.0ubuntu0.20.04.2 | vulnerable |
| Ubuntu | intel-microcode | 20.04 | 3.20210216.0ubuntu0.20.04.1 | vulnerable |
| Ubuntu | intel-microcode | 20.04 | 3.20210608.0ubuntu0.20.04.1 | vulnerable |
| Ubuntu | intel-microcode | 20.04 | 3.20220510.0ubuntu0.20.04.1 | fixed |
| Ubuntu | intel-microcode | 22.04 | 3.20210608.2ubuntu1 | vulnerable |
| Ubuntu | intel-microcode | 22.04 | 3.20220510.0ubuntu0.22.04.1 | fixed |
Fixed-version evidence
| Distribution | Package | Type | Release | Fixed version | Urgency | Origin | Bugs |
|---|---|---|---|---|---|---|---|
| Debian | intel-microcode | source | sid | 3.20220510.1 | not yet assigned | Not reported | Not reported |
| Debian | intel-microcode | source | forky | 3.20220510.1 | not yet assigned | Not reported | Not reported |
| Debian | intel-microcode | source | trixie | 3.20220510.1 | not yet assigned | Not reported | Not reported |
| Debian | intel-microcode | source | bookworm | 3.20220510.1 | not yet assigned | Not reported | Not reported |
| Ubuntu | intel-microcode | deb | pro | 3.20220510.0ubuntu0.16.04.1+esm1 | Not reported | UBUNTU-CVE-2022-21127 | Not reported |
| Ubuntu | intel-microcode | deb | 18.04 | 3.20220510.0ubuntu0.18.04.1 | Not reported | UBUNTU-CVE-2022-21127 | Not reported |
| Ubuntu | intel-microcode | deb | 20.04 | 3.20220510.0ubuntu0.20.04.1 | Not reported | UBUNTU-CVE-2022-21127 | Not reported |
| Ubuntu | intel-microcode | deb | 22.04 | 3.20220510.0ubuntu0.22.04.1 | Not reported | UBUNTU-CVE-2022-21127 | Not reported |
OpenFactory catalog packages
[Debian 12 (Bookworm)]
- [intel-microcode]Fixed
Details (1)
3.20251111.1~deb12u1· amd64 · bookwormFixed · Fixed:
3.20220510.1dsa · intel-microcode · debian · bookworm
Observed:
References
- [https://ftp.suse.com/pub/projects/security/csaf/suse-su-2022_2077-1.json]
- [https://osv.dev/vulnerability/ALPINE-CVE-2022-21127]
- [https://osv.dev/vulnerability/UBUNTU-CVE-2022-21127]
- [https://security-tracker.debian.org/tracker/CVE-2022-21127]
- [https://security.access.redhat.com/data/csaf/v2/vex/2022/cve-2022-21127.json]
- [https://wid.cert-bund.de/.well-known/csaf/white/2023/wid-sec-w-2023-2031.json]
[CERT-Bund public advisories] · [Debian Security Tracker] · [FIRST EPSS] · [OSV Package Vulnerability Database] · [Red Hat security advisories and VEX] · [SUSE security advisories and VEX]