CVE catalog

CVE-2021-0127

intel-microcode: CVE-2021-0127

[CVE catalog]

Severity
Medium · CVSS 5.6CVSS:3.1/AV:L/AC:H/PR:L/UI:N/S:C/C:N/I:N/A:H
Published
Source
[NVD] · [CVE record]
EPSS
0.30% · Oct 25, 2026

Insufficient control flow management in some Intel(R) Processors may allow an authenticated user to potentially enable a denial of service via local access.

Vulnerable and fixed packages

Distribution-reported package versions and fixes. These do not depend on matching against the OpenFactory package catalog.

DistributionPackageReleaseVersionStatus
Debianintel-microcodesid3.20260227.1fixed
Debianintel-microcodeforky3.20260227.1fixed
Debianintel-microcodetrixie3.20251111.1~deb13u1fixed
Debianintel-microcodetrixie-security3.20250812.1~deb13u1fixed
Debianintel-microcodebookworm3.20251111.1~deb12u1fixed
Debianintel-microcodebookworm-security3.20250812.1~deb12u1fixed
Ubuntuintel-microcode18.043.20170707.1vulnerable
Ubuntuintel-microcode18.043.20171117.1vulnerable
Ubuntuintel-microcode18.043.20180108.1vulnerable
Ubuntuintel-microcode18.043.20180108.1+really20171117.1vulnerable
Ubuntuintel-microcode18.043.20180312.0~ubuntu18.04.1vulnerable
Ubuntuintel-microcode18.043.20180425.1~ubuntu0.18.04.1vulnerable
Ubuntuintel-microcode18.043.20180425.1~ubuntu0.18.04.2vulnerable
Ubuntuintel-microcode18.043.20180807a.0ubuntu0.18.04.1vulnerable
Ubuntuintel-microcode18.043.20190514.0ubuntu0.18.04.2vulnerable
Ubuntuintel-microcode18.043.20190514.0ubuntu0.18.04.3vulnerable
Ubuntuintel-microcode18.043.20190618.0ubuntu0.18.04.1vulnerable
Ubuntuintel-microcode18.043.20191112-0ubuntu0.18.04.2vulnerable
Ubuntuintel-microcode18.043.20191115.1ubuntu0.18.04.1vulnerable
Ubuntuintel-microcode18.043.20191115.1ubuntu0.18.04.2vulnerable
Ubuntuintel-microcode18.043.20200609.0ubuntu0.18.04.0vulnerable
Ubuntuintel-microcode18.043.20200609.0ubuntu0.18.04.1vulnerable
Ubuntuintel-microcode18.043.20201110.0ubuntu0.18.04.1vulnerable
Ubuntuintel-microcode18.043.20201110.0ubuntu0.18.04.2vulnerable
Ubuntuintel-microcode18.043.20210216.0ubuntu0.18.04.1vulnerable
Ubuntuintel-microcode18.043.20210608.0ubuntu0.18.04.1vulnerable
Ubuntuintel-microcode18.043.20220510.0ubuntu0.18.04.1fixed
Ubuntuintel-microcode20.043.20190918.1ubuntu1vulnerable
Ubuntuintel-microcode20.043.20191115.1ubuntu1vulnerable
Ubuntuintel-microcode20.043.20191115.1ubuntu2vulnerable
Ubuntuintel-microcode20.043.20191115.1ubuntu3vulnerable
Ubuntuintel-microcode20.043.20200609.0ubuntu0.20.04.0vulnerable
Ubuntuintel-microcode20.043.20200609.0ubuntu0.20.04.1vulnerable
Ubuntuintel-microcode20.043.20200609.0ubuntu0.20.04.2vulnerable
Ubuntuintel-microcode20.043.20201110.0ubuntu0.20.04.1vulnerable
Ubuntuintel-microcode20.043.20201110.0ubuntu0.20.04.2vulnerable
Ubuntuintel-microcode20.043.20210216.0ubuntu0.20.04.1vulnerable
Ubuntuintel-microcode20.043.20210608.0ubuntu0.20.04.1vulnerable
Ubuntuintel-microcode20.043.20220510.0ubuntu0.20.04.1fixed
Ubuntuintel-microcode22.043.20210608.2ubuntu1vulnerable
Ubuntuintel-microcode22.043.20220510.0ubuntu0.22.04.1fixed
Ubuntuintel-microcodepro3.20150121.1vulnerable
Ubuntuintel-microcodepro3.20151106.1vulnerable
Ubuntuintel-microcodepro3.20170707.1~ubuntu16.04.0vulnerable
Ubuntuintel-microcodepro3.20180108.0~ubuntu16.04.2vulnerable
Ubuntuintel-microcodepro3.20180108.0+really20170707ubuntu16.04.1vulnerable
Ubuntuintel-microcodepro3.20180312.0~ubuntu16.04.1vulnerable
Ubuntuintel-microcodepro3.20180425.1~ubuntu0.16.04.1vulnerable
Ubuntuintel-microcodepro3.20180425.1~ubuntu0.16.04.2vulnerable
Ubuntuintel-microcodepro3.20180807a.0ubuntu0.16.04.1vulnerable
Ubuntuintel-microcodepro3.20190514.0ubuntu0.16.04.1vulnerable
Ubuntuintel-microcodepro3.20190514.0ubuntu0.16.04.2vulnerable
Ubuntuintel-microcodepro3.20190618.0ubuntu0.16.04.1vulnerable
Ubuntuintel-microcodepro3.20191112-0ubuntu0.16.04.2vulnerable
Ubuntuintel-microcodepro3.20191115.1ubuntu0.16.04.1vulnerable
Ubuntuintel-microcodepro3.20191115.1ubuntu0.16.04.2vulnerable
Ubuntuintel-microcodepro3.20200609.0ubuntu0.16.04.0vulnerable
Ubuntuintel-microcodepro3.20200609.0ubuntu0.16.04.1vulnerable
Ubuntuintel-microcodepro3.20201110.0ubuntu0.16.04.1vulnerable
Ubuntuintel-microcodepro3.20201110.0ubuntu0.16.04.2vulnerable
Ubuntuintel-microcodepro3.20210216.0ubuntu0.16.04.1vulnerable
Ubuntuintel-microcodepro3.20210608.0ubuntu0.16.04.1+esm1vulnerable
Ubuntuintel-microcodepro3.20220510.0ubuntu0.16.04.1+esm1fixed
Alpineintel-ucode3.1320220207-r0fixed
Alpineintel-ucode3.1420220207-r0fixed
Alpineintel-ucode3.1520220207-r0fixed
Alpineintel-ucode3.1620220207-r0fixed
Alpineintel-ucode3.1720220207-r0fixed
Alpineintel-ucode3.1820220207-r0fixed
Alpineintel-ucode3.1920220207-r0fixed
Alpineintel-ucode3.2020220207-r0fixed
Alpineintel-ucode3.2120220207-r0fixed
Alpineintel-ucode3.2220220207-r0fixed
Alpineintel-ucode3.2320220207-r0fixed
Alpineintel-ucode3.2420220207-r0fixed
Suseucode-intellinux enterprise high performance computing 15-espos20220207-3.70.1fixed
Suseucode-intellinux enterprise high performance computing 15-ltss20220207-3.70.1fixed
Suseucode-intellinux enterprise server for sap applications 1520220207-3.70.1fixed
Suseucode-intellinux enterprise high performance computing 15 sp1-espos20220207-3.206.1fixed
Suseucode-intellinux enterprise high performance computing 15 sp1-ltss20220207-3.206.1fixed
Suseucode-intellinux enterprise server 15 sp1-bcl20220207-3.206.1fixed
Suseucode-intellinux enterprise server 15 sp1-ltss20220207-3.206.1fixed
Suseucode-intellinux enterprise server for sap applications 15 sp120220207-3.206.1fixed
Suseucode-intelenterprise storage 620220207-3.206.1fixed
Ubuntuintel-microcodepro3.20150121.1vulnerable
Ubuntuintel-microcodepro3.20151106.1vulnerable
Ubuntuintel-microcodepro3.20170707.1~ubuntu16.04.0vulnerable
Ubuntuintel-microcodepro3.20180108.0~ubuntu16.04.2vulnerable
Ubuntuintel-microcodepro3.20180108.0+really20170707ubuntu16.04.1vulnerable
Ubuntuintel-microcodepro3.20180312.0~ubuntu16.04.1vulnerable
Ubuntuintel-microcodepro3.20180425.1~ubuntu0.16.04.1vulnerable
Ubuntuintel-microcodepro3.20180425.1~ubuntu0.16.04.2vulnerable
Ubuntuintel-microcodepro3.20180807a.0ubuntu0.16.04.1vulnerable
Ubuntuintel-microcodepro3.20190514.0ubuntu0.16.04.1vulnerable
Ubuntuintel-microcodepro3.20190514.0ubuntu0.16.04.2vulnerable
Ubuntuintel-microcodepro3.20190618.0ubuntu0.16.04.1vulnerable
Ubuntuintel-microcodepro3.20191112-0ubuntu0.16.04.2vulnerable
Ubuntuintel-microcodepro3.20191115.1ubuntu0.16.04.1vulnerable
Ubuntuintel-microcodepro3.20191115.1ubuntu0.16.04.2vulnerable
Ubuntuintel-microcodepro3.20200609.0ubuntu0.16.04.0vulnerable
Ubuntuintel-microcodepro3.20200609.0ubuntu0.16.04.1vulnerable
Ubuntuintel-microcodepro3.20201110.0ubuntu0.16.04.1vulnerable
Ubuntuintel-microcodepro3.20201110.0ubuntu0.16.04.2vulnerable
Ubuntuintel-microcodepro3.20210216.0ubuntu0.16.04.1vulnerable
Ubuntuintel-microcodepro3.20210608.0ubuntu0.16.04.1+esm1vulnerable
Ubuntuintel-microcodepro3.20220510.0ubuntu0.16.04.1+esm1fixed
Ubuntuintel-microcode18.043.20170707.1vulnerable
Ubuntuintel-microcode18.043.20171117.1vulnerable
Ubuntuintel-microcode18.043.20180108.1vulnerable
Ubuntuintel-microcode18.043.20180108.1+really20171117.1vulnerable
Ubuntuintel-microcode18.043.20180312.0~ubuntu18.04.1vulnerable
Ubuntuintel-microcode18.043.20180425.1~ubuntu0.18.04.1vulnerable
Ubuntuintel-microcode18.043.20180425.1~ubuntu0.18.04.2vulnerable
Ubuntuintel-microcode18.043.20180807a.0ubuntu0.18.04.1vulnerable
Ubuntuintel-microcode18.043.20190514.0ubuntu0.18.04.2vulnerable
Ubuntuintel-microcode18.043.20190514.0ubuntu0.18.04.3vulnerable
Ubuntuintel-microcode18.043.20190618.0ubuntu0.18.04.1vulnerable
Ubuntuintel-microcode18.043.20191112-0ubuntu0.18.04.2vulnerable
Ubuntuintel-microcode18.043.20191115.1ubuntu0.18.04.1vulnerable
Ubuntuintel-microcode18.043.20191115.1ubuntu0.18.04.2vulnerable
Ubuntuintel-microcode18.043.20200609.0ubuntu0.18.04.0vulnerable
Ubuntuintel-microcode18.043.20200609.0ubuntu0.18.04.1vulnerable
Ubuntuintel-microcode18.043.20201110.0ubuntu0.18.04.1vulnerable
Ubuntuintel-microcode18.043.20201110.0ubuntu0.18.04.2vulnerable
Ubuntuintel-microcode18.043.20210216.0ubuntu0.18.04.1vulnerable
Ubuntuintel-microcode18.043.20210608.0ubuntu0.18.04.1vulnerable
Ubuntuintel-microcode18.043.20220510.0ubuntu0.18.04.1fixed
Ubuntuintel-microcode20.043.20190918.1ubuntu1vulnerable
Ubuntuintel-microcode20.043.20191115.1ubuntu1vulnerable
Ubuntuintel-microcode20.043.20191115.1ubuntu2vulnerable
Ubuntuintel-microcode20.043.20191115.1ubuntu3vulnerable
Ubuntuintel-microcode20.043.20200609.0ubuntu0.20.04.0vulnerable
Ubuntuintel-microcode20.043.20200609.0ubuntu0.20.04.1vulnerable
Ubuntuintel-microcode20.043.20200609.0ubuntu0.20.04.2vulnerable
Ubuntuintel-microcode20.043.20201110.0ubuntu0.20.04.1vulnerable
Ubuntuintel-microcode20.043.20201110.0ubuntu0.20.04.2vulnerable
Ubuntuintel-microcode20.043.20210216.0ubuntu0.20.04.1vulnerable
Ubuntuintel-microcode20.043.20210608.0ubuntu0.20.04.1vulnerable
Ubuntuintel-microcode20.043.20220510.0ubuntu0.20.04.1fixed
Ubuntuintel-microcode22.043.20210608.2ubuntu1vulnerable
Ubuntuintel-microcode22.043.20220510.0ubuntu0.22.04.1fixed
Suseucode-intellinux enterprise server 12 sp520220207-3.38.1fixed
Suseucode-intellinux enterprise server for sap applications 12 sp520220207-3.38.1fixed
Opensuseucode-inteltumbleweed20220207-1.1fixed
Opensuseucode-intelleap 15.320220207-10.1fixed
Suseucode-intelhpe helion openstack 820220207-13.93.1fixed
Suseucode-intelopenstack cloud 820220207-13.93.1fixed
Suseucode-intelopenstack cloud 920220207-13.93.1fixed
Suseucode-intelopenstack cloud crowbar 820220207-13.93.1fixed
Suseucode-intelopenstack cloud crowbar 920220207-13.93.1fixed
Suseucode-intellinux enterprise server for sap applications 12 sp320220207-13.93.1fixed
Suseucode-intellinux enterprise server for sap applications 12 sp420220207-13.93.1fixed
Suseucode-intellinux enterprise server 12 sp2-bcl20220207-13.93.1fixed
Suseucode-intellinux enterprise server 12 sp3-ltss20220207-13.93.1fixed
Suseucode-intellinux enterprise server 12 sp3-bcl20220207-13.93.1fixed
Suseucode-intellinux enterprise server 12 sp4-ltss20220207-13.93.1fixed
Suseucode-intellinux enterprise module for basesystem 15 sp320220207-10.1fixed
Suseucode-intellinux enterprise high performance computing 15 sp2-espos20220207-10.1fixed
Suseucode-intellinux enterprise high performance computing 15 sp2-ltss20220207-10.1fixed
Suseucode-intellinux enterprise real time 15 sp220220207-10.1fixed
Suseucode-intellinux enterprise server 15 sp2-bcl20220207-10.1fixed
Suseucode-intellinux enterprise server 15 sp2-ltss20220207-10.1fixed
Suseucode-intellinux enterprise server for sap applications 15 sp220220207-10.1fixed
Suseucode-intelmanager proxy 4.120220207-10.1fixed
Suseucode-intelmanager retail branch server 4.120220207-10.1fixed
Suseucode-intelmanager server 4.120220207-10.1fixed
Suseucode-intellinux enterprise micro 5.020220207-10.1fixed
Suseucode-intellinux enterprise micro 5.120220207-10.1fixed
Suseucode-intelenterprise storage 720220207-10.1fixed

Fixed-version evidence

DistributionPackageTypeReleaseFixed versionUrgencyOriginBugs
Debianintel-microcodesourcesid3.20220207.1not yet assignedNot reportedNot reported
Debianintel-microcodesourceforky3.20220207.1not yet assignedNot reportedNot reported
Debianintel-microcodesourcetrixie3.20220207.1not yet assignedNot reportedNot reported
Debianintel-microcodesourcebookworm3.20220207.1not yet assignedNot reportedNot reported
Ubuntuintel-microcodedeb18.043.20220510.0ubuntu0.18.04.1Not reportedUSN-5486-1Not reported
Ubuntuintel-microcodedeb20.043.20220510.0ubuntu0.20.04.1Not reportedUSN-5486-1Not reported
Ubuntuintel-microcodedeb22.043.20220510.0ubuntu0.22.04.1Not reportedUSN-5486-1Not reported
Ubuntuintel-microcodedebpro3.20220510.0ubuntu0.16.04.1+esm1Not reportedUSN-5535-1Not reported
Alpineintel-ucodeapk3.1320220207-r0Not reportedALPINE-CVE-2021-0127Not reported
Alpineintel-ucodeapk3.1420220207-r0Not reportedALPINE-CVE-2021-0127Not reported
Alpineintel-ucodeapk3.1520220207-r0Not reportedALPINE-CVE-2021-0127Not reported
Alpineintel-ucodeapk3.1620220207-r0Not reportedALPINE-CVE-2021-0127Not reported
Alpineintel-ucodeapk3.1720220207-r0Not reportedALPINE-CVE-2021-0127Not reported
Alpineintel-ucodeapk3.1820220207-r0Not reportedALPINE-CVE-2021-0127Not reported
Alpineintel-ucodeapk3.1920220207-r0Not reportedALPINE-CVE-2021-0127Not reported
Alpineintel-ucodeapk3.2020220207-r0Not reportedALPINE-CVE-2021-0127Not reported
Alpineintel-ucodeapk3.2120220207-r0Not reportedALPINE-CVE-2021-0127Not reported
Alpineintel-ucodeapk3.2220220207-r0Not reportedALPINE-CVE-2021-0127Not reported
Alpineintel-ucodeapk3.2320220207-r0Not reportedALPINE-CVE-2021-0127Not reported
Alpineintel-ucodeapk3.2420220207-r0Not reportedALPINE-CVE-2021-0127Not reported
Suseucode-intelrpmlinux enterprise high performance computing 15-espos20220207-3.70.1Not reportedSUSE-SU-2022:0502-1Not reported
Suseucode-intelrpmlinux enterprise high performance computing 15-ltss20220207-3.70.1Not reportedSUSE-SU-2022:0502-1Not reported
Suseucode-intelrpmlinux enterprise server for sap applications 1520220207-3.70.1Not reportedSUSE-SU-2022:0502-1Not reported
Suseucode-intelrpmlinux enterprise high performance computing 15 sp1-espos20220207-3.206.1Not reportedSUSE-SU-2022:0541-1Not reported
Suseucode-intelrpmlinux enterprise high performance computing 15 sp1-ltss20220207-3.206.1Not reportedSUSE-SU-2022:0541-1Not reported
Suseucode-intelrpmlinux enterprise server 15 sp1-bcl20220207-3.206.1Not reportedSUSE-SU-2022:0541-1Not reported
Suseucode-intelrpmlinux enterprise server 15 sp1-ltss20220207-3.206.1Not reportedSUSE-SU-2022:0541-1Not reported
Suseucode-intelrpmlinux enterprise server for sap applications 15 sp120220207-3.206.1Not reportedSUSE-SU-2022:0541-1Not reported
Suseucode-intelrpmenterprise storage 620220207-3.206.1Not reportedSUSE-SU-2022:0541-1Not reported
Ubuntuintel-microcodedebpro3.20220510.0ubuntu0.16.04.1+esm1Not reportedUBUNTU-CVE-2021-0127Not reported
Ubuntuintel-microcodedeb18.043.20220510.0ubuntu0.18.04.1Not reportedUBUNTU-CVE-2021-0127Not reported
Ubuntuintel-microcodedeb20.043.20220510.0ubuntu0.20.04.1Not reportedUBUNTU-CVE-2021-0127Not reported
Ubuntuintel-microcodedeb22.043.20220510.0ubuntu0.22.04.1Not reportedUBUNTU-CVE-2021-0127Not reported
Suseucode-intelrpmlinux enterprise server 12 sp520220207-3.38.1Not reportedSUSE-SU-2022:0576-1Not reported
Suseucode-intelrpmlinux enterprise server for sap applications 12 sp520220207-3.38.1Not reportedSUSE-SU-2022:0576-1Not reported
Opensuseucode-intelrpmtumbleweed20220207-1.1Not reportedOPENSUSE-SU-2024:11840-1Not reported
Opensuseucode-intelrpmleap 15.320220207-10.1Not reportedOPENSUSE-SU-2022:0574-1Not reported
Suseucode-intelrpmhpe helion openstack 820220207-13.93.1Not reportedSUSE-SU-2022:0575-1Not reported
Suseucode-intelrpmopenstack cloud 820220207-13.93.1Not reportedSUSE-SU-2022:0575-1Not reported
Suseucode-intelrpmopenstack cloud 920220207-13.93.1Not reportedSUSE-SU-2022:0575-1Not reported
Suseucode-intelrpmopenstack cloud crowbar 820220207-13.93.1Not reportedSUSE-SU-2022:0575-1Not reported
Suseucode-intelrpmopenstack cloud crowbar 920220207-13.93.1Not reportedSUSE-SU-2022:0575-1Not reported
Suseucode-intelrpmlinux enterprise server for sap applications 12 sp320220207-13.93.1Not reportedSUSE-SU-2022:0575-1Not reported
Suseucode-intelrpmlinux enterprise server for sap applications 12 sp420220207-13.93.1Not reportedSUSE-SU-2022:0575-1Not reported
Suseucode-intelrpmlinux enterprise server 12 sp2-bcl20220207-13.93.1Not reportedSUSE-SU-2022:0575-1Not reported
Suseucode-intelrpmlinux enterprise server 12 sp3-ltss20220207-13.93.1Not reportedSUSE-SU-2022:0575-1Not reported
Suseucode-intelrpmlinux enterprise server 12 sp3-bcl20220207-13.93.1Not reportedSUSE-SU-2022:0575-1Not reported
Suseucode-intelrpmlinux enterprise server 12 sp4-ltss20220207-13.93.1Not reportedSUSE-SU-2022:0575-1Not reported
Suseucode-intelrpmlinux enterprise module for basesystem 15 sp320220207-10.1Not reportedSUSE-SU-2022:0574-1Not reported
Suseucode-intelrpmlinux enterprise high performance computing 15 sp2-espos20220207-10.1Not reportedSUSE-SU-2022:0574-1Not reported
Suseucode-intelrpmlinux enterprise high performance computing 15 sp2-ltss20220207-10.1Not reportedSUSE-SU-2022:0574-1Not reported
Suseucode-intelrpmlinux enterprise real time 15 sp220220207-10.1Not reportedSUSE-SU-2022:0574-1Not reported
Suseucode-intelrpmlinux enterprise server 15 sp2-bcl20220207-10.1Not reportedSUSE-SU-2022:0574-1Not reported
Suseucode-intelrpmlinux enterprise server 15 sp2-ltss20220207-10.1Not reportedSUSE-SU-2022:0574-1Not reported
Suseucode-intelrpmlinux enterprise server for sap applications 15 sp220220207-10.1Not reportedSUSE-SU-2022:0574-1Not reported
Suseucode-intelrpmmanager proxy 4.120220207-10.1Not reportedSUSE-SU-2022:0574-1Not reported
Suseucode-intelrpmmanager retail branch server 4.120220207-10.1Not reportedSUSE-SU-2022:0574-1Not reported
Suseucode-intelrpmmanager server 4.120220207-10.1Not reportedSUSE-SU-2022:0574-1Not reported
Suseucode-intelrpmlinux enterprise micro 5.020220207-10.1Not reportedSUSE-SU-2022:0574-1Not reported
Suseucode-intelrpmlinux enterprise micro 5.120220207-10.1Not reportedSUSE-SU-2022:0574-1Not reported
Suseucode-intelrpmenterprise storage 720220207-10.1Not reportedSUSE-SU-2022:0574-1Not reported

OpenFactory catalog packages

[Debian 12 (Bookworm)]

  • Details (1)
    • 3.20251111.1~deb12u1 · amd64 · bookworm

      Fixed · Fixed: 3.20220207.1

      dsa · intel-microcode · debian · bookworm; dsa · intel-microcode · debian · 12

[Debian 13 (Trixie)]

  • Details (1)
    • 3.20251111.1~deb13u1 · amd64 · trixie

      Fixed · Fixed: 3.20220207.1

      dsa · intel-microcode · debian · 13

[openSUSE Tumbleweed]

  • Source package: [ucode-intel]

    Details (1)
    • 20260812-1.1 · x86_64 · tumbleweed

      Fixed · Fixed: 20220207-1.1

      dsa · ucode-intel · opensuse · tumbleweed

Observed:

References