rhea-2020:0635
Vulnerability from csaf_redhat
Published
2020-02-27 15:27
Modified
2025-10-09 18:56
Summary
Red Hat Enhancement Advisory: microcode_ctl bug fix and enhancement update

Notes

Topic
An update for microcode_ctl is now available for Red Hat Enterprise Linux 8.
Details
The microcode_ctl packages provide microcode updates for Intel x86 processors. With this update, the Intel microcode version has been updated to microcode-20191112. Users of microcode_ctl are advised to upgrade to these updated packages, which add this enhancement.
Terms of Use
This content is licensed under the Creative Commons Attribution 4.0 International License (https://creativecommons.org/licenses/by/4.0/). If you distribute this content, or a modified version of it, you must provide attribution to Red Hat Inc. and provide a link to the original.


To clipboard 

{
  "document": {
    "aggregate_severity": {
      "namespace": "https://access.redhat.com/security/updates/classification/",
      "text": "Important"
    },
    "category": "csaf_security_advisory",
    "csaf_version": "2.0",
    "distribution": {
      "text": "Copyright \u00a9 Red Hat, Inc. All rights reserved.",
      "tlp": {
        "label": "WHITE",
        "url": "https://www.first.org/tlp/"
      }
    },
    "lang": "en",
    "notes": [
      {
        "category": "summary",
        "text": "An update for microcode_ctl is now available for Red Hat Enterprise Linux 8.",
        "title": "Topic"
      },
      {
        "category": "general",
        "text": "The microcode_ctl packages provide microcode updates for Intel x86 processors.\n\nWith this update, the Intel microcode version has been updated to microcode-20191112.\n\nUsers of microcode_ctl are advised to upgrade to these updated packages, which\nadd this enhancement.",
        "title": "Details"
      },
      {
        "category": "legal_disclaimer",
        "text": "This content is licensed under the Creative Commons Attribution 4.0 International License (https://creativecommons.org/licenses/by/4.0/). If you distribute this content, or a modified version of it, you must provide attribution to Red Hat Inc. and provide a link to the original.",
        "title": "Terms of Use"
      }
    ],
    "publisher": {
      "category": "vendor",
      "contact_details": "https://access.redhat.com/security/team/contact/",
      "issuing_authority": "Red Hat Product Security is responsible for vulnerability handling across all Red Hat products and services.",
      "name": "Red Hat Product Security",
      "namespace": "https://www.redhat.com"
    },
    "references": [
      {
        "category": "self",
        "summary": "https://access.redhat.com/errata/RHEA-2020:0635",
        "url": "https://access.redhat.com/errata/RHEA-2020:0635"
      },
      {
        "category": "external",
        "summary": "https://access.redhat.com/solutions/2019-microcode-nov",
        "url": "https://access.redhat.com/solutions/2019-microcode-nov"
      },
      {
        "category": "self",
        "summary": "Canonical URL",
        "url": "https://security.access.redhat.com/data/csaf/v2/advisories/2020/rhea-2020_0635.json"
      }
    ],
    "title": "Red Hat Enhancement Advisory: microcode_ctl bug fix and enhancement update",
    "tracking": {
      "current_release_date": "2025-10-09T18:56:13+00:00",
      "generator": {
        "date": "2025-10-09T18:56:13+00:00",
        "engine": {
          "name": "Red Hat SDEngine",
          "version": "4.6.9"
        }
      },
      "id": "RHEA-2020:0635",
      "initial_release_date": "2020-02-27T15:27:50+00:00",
      "revision_history": [
        {
          "date": "2020-02-27T15:27:50+00:00",
          "number": "1",
          "summary": "Initial version"
        },
        {
          "date": "2020-02-27T15:27:50+00:00",
          "number": "2",
          "summary": "Last updated version"
        },
        {
          "date": "2025-10-09T18:56:13+00:00",
          "number": "3",
          "summary": "Last generated version"
        }
      ],
      "status": "final",
      "version": "3"
    }
  },
  "product_tree": {
    "branches": [
      {
        "branches": [
          {
            "branches": [
              {
                "category": "product_name",
                "name": "Red Hat Enterprise Linux BaseOS E4S (v. 8.0)",
                "product": {
                  "name": "Red Hat Enterprise Linux BaseOS E4S (v. 8.0)",
                  "product_id": "BaseOS-8.0.0.Z.E4S",
                  "product_identification_helper": {
                    "cpe": "cpe:/o:redhat:rhel_e4s:8.0::baseos"
                  }
                }
              }
            ],
            "category": "product_family",
            "name": "Red Hat Enterprise Linux"
          },
          {
            "branches": [
              {
                "category": "product_version",
                "name": "microcode_ctl-4:20180807a-2.20191112.1.el8_0.x86_64",
                "product": {
                  "name": "microcode_ctl-4:20180807a-2.20191112.1.el8_0.x86_64",
                  "product_id": "microcode_ctl-4:20180807a-2.20191112.1.el8_0.x86_64",
                  "product_identification_helper": {
                    "purl": "pkg:rpm/redhat/microcode_ctl@20180807a-2.20191112.1.el8_0?arch=x86_64\u0026epoch=4"
                  }
                }
              }
            ],
            "category": "architecture",
            "name": "x86_64"
          },
          {
            "branches": [
              {
                "category": "product_version",
                "name": "microcode_ctl-4:20180807a-2.20191112.1.el8_0.src",
                "product": {
                  "name": "microcode_ctl-4:20180807a-2.20191112.1.el8_0.src",
                  "product_id": "microcode_ctl-4:20180807a-2.20191112.1.el8_0.src",
                  "product_identification_helper": {
                    "purl": "pkg:rpm/redhat/microcode_ctl@20180807a-2.20191112.1.el8_0?arch=src\u0026epoch=4"
                  }
                }
              }
            ],
            "category": "architecture",
            "name": "src"
          }
        ],
        "category": "vendor",
        "name": "Red Hat"
      }
    ],
    "relationships": [
      {
        "category": "default_component_of",
        "full_product_name": {
          "name": "microcode_ctl-4:20180807a-2.20191112.1.el8_0.src as a component of Red Hat Enterprise Linux BaseOS E4S (v. 8.0)",
          "product_id": "BaseOS-8.0.0.Z.E4S:microcode_ctl-4:20180807a-2.20191112.1.el8_0.src"
        },
        "product_reference": "microcode_ctl-4:20180807a-2.20191112.1.el8_0.src",
        "relates_to_product_reference": "BaseOS-8.0.0.Z.E4S"
      },
      {
        "category": "default_component_of",
        "full_product_name": {
          "name": "microcode_ctl-4:20180807a-2.20191112.1.el8_0.x86_64 as a component of Red Hat Enterprise Linux BaseOS E4S (v. 8.0)",
          "product_id": "BaseOS-8.0.0.Z.E4S:microcode_ctl-4:20180807a-2.20191112.1.el8_0.x86_64"
        },
        "product_reference": "microcode_ctl-4:20180807a-2.20191112.1.el8_0.x86_64",
        "relates_to_product_reference": "BaseOS-8.0.0.Z.E4S"
      }
    ]
  },
  "vulnerabilities": [
    {
      "acknowledgments": [
        {
          "names": [
            "Intel"
          ]
        }
      ],
      "cve": "CVE-2019-0117",
      "cwe": {
        "id": "CWE-200",
        "name": "Exposure of Sensitive Information to an Unauthorized Actor"
      },
      "discovery_date": "2019-10-04T00:00:00+00:00",
      "ids": [
        {
          "system_name": "Red Hat Bugzilla ID",
          "text": "1758414"
        }
      ],
      "notes": [
        {
          "category": "description",
          "text": "A flaw was found in the implementation of SGX around the access control of protected memory. This flaw allows a local attacker of a system with SGX enabled and an affected intel GPU with the ability to execute code to interpret the contents of the SGX protected memory.",
          "title": "Vulnerability description"
        },
        {
          "category": "summary",
          "text": "hw: Intel SGX information leak",
          "title": "Vulnerability summary"
        },
        {
          "category": "other",
          "text": "Red Hat Product Security is aware of this issue. Updates will be released as they become available. For additional information, please refer to the Red Hat Knowledgebase article: https://access.redhat.com/solutions/2019-microcode-nov",
          "title": "Statement"
        },
        {
          "category": "general",
          "text": "The CVSS score(s) listed for this vulnerability do not reflect the associated product\u0027s status, and are included for informational purposes to better understand the severity of this vulnerability.",
          "title": "CVSS score applicability"
        }
      ],
      "product_status": {
        "fixed": [
          "BaseOS-8.0.0.Z.E4S:microcode_ctl-4:20180807a-2.20191112.1.el8_0.src",
          "BaseOS-8.0.0.Z.E4S:microcode_ctl-4:20180807a-2.20191112.1.el8_0.x86_64"
        ]
      },
      "references": [
        {
          "category": "self",
          "summary": "Canonical URL",
          "url": "https://access.redhat.com/security/cve/CVE-2019-0117"
        },
        {
          "category": "external",
          "summary": "RHBZ#1758414",
          "url": "https://bugzilla.redhat.com/show_bug.cgi?id=1758414"
        },
        {
          "category": "external",
          "summary": "https://www.cve.org/CVERecord?id=CVE-2019-0117",
          "url": "https://www.cve.org/CVERecord?id=CVE-2019-0117"
        },
        {
          "category": "external",
          "summary": "https://nvd.nist.gov/vuln/detail/CVE-2019-0117",
          "url": "https://nvd.nist.gov/vuln/detail/CVE-2019-0117"
        },
        {
          "category": "external",
          "summary": "https://access.redhat.com/solutions/2019-microcode-nov",
          "url": "https://access.redhat.com/solutions/2019-microcode-nov"
        },
        {
          "category": "external",
          "summary": "https://www.intel.com/content/www/us/en/security-center/advisory/intel-sa-00219.html",
          "url": "https://www.intel.com/content/www/us/en/security-center/advisory/intel-sa-00219.html"
        }
      ],
      "release_date": "2019-11-12T18:00:00+00:00",
      "remediations": [
        {
          "category": "vendor_fix",
          "date": "2020-02-27T15:27:50+00:00",
          "details": "For details on how to apply this update, which includes the changes described in this advisory, refer to:\n\nhttps://access.redhat.com/articles/11258\n\nNote: a system reboot is necessary for this update to take effect.",
          "product_ids": [
            "BaseOS-8.0.0.Z.E4S:microcode_ctl-4:20180807a-2.20191112.1.el8_0.src",
            "BaseOS-8.0.0.Z.E4S:microcode_ctl-4:20180807a-2.20191112.1.el8_0.x86_64"
          ],
          "restart_required": {
            "category": "none"
          },
          "url": "https://access.redhat.com/errata/RHEA-2020:0635"
        },
        {
          "category": "workaround",
          "details": "As of this time there are no known mitigations. Please install relevant updated packages to address this flaw.",
          "product_ids": [
            "BaseOS-8.0.0.Z.E4S:microcode_ctl-4:20180807a-2.20191112.1.el8_0.src",
            "BaseOS-8.0.0.Z.E4S:microcode_ctl-4:20180807a-2.20191112.1.el8_0.x86_64"
          ]
        }
      ],
      "scores": [
        {
          "cvss_v3": {
            "attackComplexity": "LOW",
            "attackVector": "LOCAL",
            "availabilityImpact": "NONE",
            "baseScore": 6.0,
            "baseSeverity": "MEDIUM",
            "confidentialityImpact": "HIGH",
            "integrityImpact": "NONE",
            "privilegesRequired": "HIGH",
            "scope": "CHANGED",
            "userInteraction": "NONE",
            "vectorString": "CVSS:3.0/AV:L/AC:L/PR:H/UI:N/S:C/C:H/I:N/A:N",
            "version": "3.0"
          },
          "products": [
            "BaseOS-8.0.0.Z.E4S:microcode_ctl-4:20180807a-2.20191112.1.el8_0.src",
            "BaseOS-8.0.0.Z.E4S:microcode_ctl-4:20180807a-2.20191112.1.el8_0.x86_64"
          ]
        }
      ],
      "threats": [
        {
          "category": "impact",
          "details": "Important"
        }
      ],
      "title": "hw: Intel SGX information leak"
    },
    {
      "acknowledgments": [
        {
          "names": [
            "Intel"
          ]
        }
      ],
      "cve": "CVE-2019-11139",
      "cwe": {
        "id": "CWE-440",
        "name": "Expected Behavior Violation"
      },
      "discovery_date": "2019-10-25T00:00:00+00:00",
      "ids": [
        {
          "system_name": "Red Hat Bugzilla ID",
          "text": "1765481"
        }
      ],
      "notes": [
        {
          "category": "description",
          "text": "Improper conditions check in the voltage modulation interface for some Intel(R) Xeon(R) Scalable Processors may allow a privileged user to potentially enable denial of service via local access.",
          "title": "Vulnerability description"
        },
        {
          "category": "summary",
          "text": "hw: voltage modulation technical advisory",
          "title": "Vulnerability summary"
        },
        {
          "category": "other",
          "text": "Red Hat Product Security is aware of this issue. Updates will be released as they become available. For additional information, please refer to the Red Hat Knowledgebase article: https://access.redhat.com/solutions/2019-microcode-nov",
          "title": "Statement"
        },
        {
          "category": "general",
          "text": "The CVSS score(s) listed for this vulnerability do not reflect the associated product\u0027s status, and are included for informational purposes to better understand the severity of this vulnerability.",
          "title": "CVSS score applicability"
        }
      ],
      "product_status": {
        "fixed": [
          "BaseOS-8.0.0.Z.E4S:microcode_ctl-4:20180807a-2.20191112.1.el8_0.src",
          "BaseOS-8.0.0.Z.E4S:microcode_ctl-4:20180807a-2.20191112.1.el8_0.x86_64"
        ]
      },
      "references": [
        {
          "category": "self",
          "summary": "Canonical URL",
          "url": "https://access.redhat.com/security/cve/CVE-2019-11139"
        },
        {
          "category": "external",
          "summary": "RHBZ#1765481",
          "url": "https://bugzilla.redhat.com/show_bug.cgi?id=1765481"
        },
        {
          "category": "external",
          "summary": "https://www.cve.org/CVERecord?id=CVE-2019-11139",
          "url": "https://www.cve.org/CVERecord?id=CVE-2019-11139"
        },
        {
          "category": "external",
          "summary": "https://nvd.nist.gov/vuln/detail/CVE-2019-11139",
          "url": "https://nvd.nist.gov/vuln/detail/CVE-2019-11139"
        },
        {
          "category": "external",
          "summary": "https://access.redhat.com/solutions/2019-microcode-nov",
          "url": "https://access.redhat.com/solutions/2019-microcode-nov"
        },
        {
          "category": "external",
          "summary": "https://www.intel.com/content/www/us/en/security-center/advisory/intel-sa-00271.html",
          "url": "https://www.intel.com/content/www/us/en/security-center/advisory/intel-sa-00271.html"
        }
      ],
      "release_date": "2019-11-12T18:00:00+00:00",
      "remediations": [
        {
          "category": "vendor_fix",
          "date": "2020-02-27T15:27:50+00:00",
          "details": "For details on how to apply this update, which includes the changes described in this advisory, refer to:\n\nhttps://access.redhat.com/articles/11258\n\nNote: a system reboot is necessary for this update to take effect.",
          "product_ids": [
            "BaseOS-8.0.0.Z.E4S:microcode_ctl-4:20180807a-2.20191112.1.el8_0.src",
            "BaseOS-8.0.0.Z.E4S:microcode_ctl-4:20180807a-2.20191112.1.el8_0.x86_64"
          ],
          "restart_required": {
            "category": "none"
          },
          "url": "https://access.redhat.com/errata/RHEA-2020:0635"
        },
        {
          "category": "workaround",
          "details": "As of this time there are no known mitigations. Please install relevant updated packages to address this flaw.",
          "product_ids": [
            "BaseOS-8.0.0.Z.E4S:microcode_ctl-4:20180807a-2.20191112.1.el8_0.src",
            "BaseOS-8.0.0.Z.E4S:microcode_ctl-4:20180807a-2.20191112.1.el8_0.x86_64"
          ]
        }
      ],
      "scores": [
        {
          "cvss_v3": {
            "attackComplexity": "HIGH",
            "attackVector": "LOCAL",
            "availabilityImpact": "HIGH",
            "baseScore": 5.8,
            "baseSeverity": "MEDIUM",
            "confidentialityImpact": "NONE",
            "integrityImpact": "LOW",
            "privilegesRequired": "HIGH",
            "scope": "CHANGED",
            "userInteraction": "REQUIRED",
            "vectorString": "CVSS:3.0/AV:L/AC:H/PR:H/UI:R/S:C/C:N/I:L/A:H",
            "version": "3.0"
          },
          "products": [
            "BaseOS-8.0.0.Z.E4S:microcode_ctl-4:20180807a-2.20191112.1.el8_0.src",
            "BaseOS-8.0.0.Z.E4S:microcode_ctl-4:20180807a-2.20191112.1.el8_0.x86_64"
          ]
        }
      ],
      "threats": [
        {
          "category": "impact",
          "details": "Moderate"
        }
      ],
      "title": "hw: voltage modulation technical advisory"
    }
  ]
}


Log in or create an account to share your comment.




Tags
Taxonomy of the tags.




Sightings

Author Source Type Date

Nomenclature

  • Seen: The vulnerability was mentioned, discussed, or seen somewhere by the user.
  • Confirmed: The vulnerability is confirmed from an analyst perspective.
  • Published Proof of Concept: A public proof of concept is available for this vulnerability.
  • Exploited: This vulnerability was exploited and seen by the user reporting the sighting.
  • Patched: This vulnerability was successfully patched by the user reporting the sighting.
  • Not exploited: This vulnerability was not exploited or seen by the user reporting the sighting.
  • Not confirmed: The user expresses doubt about the veracity of the vulnerability.
  • Not patched: This vulnerability was not successfully patched by the user reporting the sighting.