RHEA-2025:3114

Vulnerability from csaf_redhat - Published: 2025-03-24 13:51 - Updated: 2026-02-19 10:08
Summary
Red Hat Enhancement Advisory: microcode_ctl bug fix and enhancement update
Severity
Important
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 and AMD processors. Bug Fix(es) and Enhancement(s): * [RHEL 8] Update Intel CPU microcode to the latest version (JIRA:RHEL-67344) * microcode_ctl: Improper input validation in UEFI firmware CseVariableStorageSmm [rhel-8.10.z] (JIRA:RHEL-79195) * microcode_ctl: Improper input validation in UEFI firmware [rhel-8.10.z] (JIRA:RHEL-79197) * microcode_ctl: Improper input validation in UEFI firmware [rhel-8.10.z] (JIRA:RHEL-79198) * microcode_ctl: Improper input validation in XmlCli feature for UEFI firmware [rhel-8.10.z] (JIRA:RHEL-79213) * microcode_ctl: Improper input validation in UEFI firmware [rhel-8.10.z] (JIRA:RHEL-79216)
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.

An improper input validation flaw was found in UEFI firmware. Some Intel(R) processors may allow a privileged user to enable privilege escalation via local access.

CWE-20 - Improper Input Validation
Vendor Fix For details on how to apply this update, which includes the changes described in this advisory, refer to: https://access.redhat.com/articles/11258 https://access.redhat.com/errata/RHEA-2025:3114

An improper input validation flaw was found in UEFI firmware. Some Intel(R) processors may allow a privileged user to enable privilege escalation via local access.

CWE-20 - Improper Input Validation
Vendor Fix For details on how to apply this update, which includes the changes described in this advisory, refer to: https://access.redhat.com/articles/11258 https://access.redhat.com/errata/RHEA-2025:3114

An improper input validation flaw was found in the XmlCli feature for UEFI firmware. Some Intel(R) processors may allow a privileged user to enable privilege escalation via local access.

CWE-20 - Improper Input Validation
Vendor Fix For details on how to apply this update, which includes the changes described in this advisory, refer to: https://access.redhat.com/articles/11258 https://access.redhat.com/errata/RHEA-2025:3114

Improper input validation in UEFI firmware for some Intel(R) Processors may allow a privileged user to potentially enable information disclosure via local access.

CWE-20 - Improper Input Validation
Vendor Fix For details on how to apply this update, which includes the changes described in this advisory, refer to: https://access.redhat.com/articles/11258 https://access.redhat.com/errata/RHEA-2025:3114

An improper input validation flaw was found in UEFI firmware. Some Intel(R) Processors may allow a privileged user to enable privilege escalation via local access.

CWE-20 - Improper Input Validation
Vendor Fix For details on how to apply this update, which includes the changes described in this advisory, refer to: https://access.redhat.com/articles/11258 https://access.redhat.com/errata/RHEA-2025:3114

Improper input validation in UEFI firmware CseVariableStorageSmm for some Intel(R) Processors may allow a privileged user to potentially enable escalation of privilege via local access.

CWE-20 - Improper Input Validation
Vendor Fix For details on how to apply this update, which includes the changes described in this advisory, refer to: https://access.redhat.com/articles/11258 https://access.redhat.com/errata/RHEA-2025:3114

Improper Finite State Machines (FSMs) in Hardware Logic for some Intel(R) Processors may allow privileged user to potentially enable denial of service via local access.

CWE-1245 - Improper Finite State Machines (FSMs) in Hardware Logic
Vendor Fix For details on how to apply this update, which includes the changes described in this advisory, refer to: https://access.redhat.com/articles/11258 https://access.redhat.com/errata/RHEA-2025:3114

Improper initialization in UEFI firmware OutOfBandXML module in some Intel(R) Processors may allow a privileged user to potentially enable information disclosure via local access.

CWE-665 - Improper Initialization
Vendor Fix For details on how to apply this update, which includes the changes described in this advisory, refer to: https://access.redhat.com/articles/11258 https://access.redhat.com/errata/RHEA-2025:3114

Improper access control in the EDECCSSA user leaf function for some Intel(R) Processors with Intel(R) SGX may allow an authenticated user to potentially enable denial of service via local access.

CWE-284 - Improper Access Control
Vendor Fix For details on how to apply this update, which includes the changes described in this advisory, refer to: https://access.redhat.com/articles/11258 https://access.redhat.com/errata/RHEA-2025:3114
Workaround Mitigation for this issue is either not available or the currently available options don't meet the Red Hat Product Security criteria comprising ease of use and deployment, applicability to widespread installation base or stability.

Insufficient granularity of access control in UEFI firmware in some Intel(R) processors may allow a authenticated user to potentially enable denial of service via local access.

CWE-1220 - Insufficient Granularity of Access Control
Vendor Fix For details on how to apply this update, which includes the changes described in this advisory, refer to: https://access.redhat.com/articles/11258 https://access.redhat.com/errata/RHEA-2025:3114
References
https://access.redhat.com/errata/RHEA-2025:3114 self
https://issues.redhat.com/browse/RHEL-67344 external
https://security.access.redhat.com/data/csaf/v2/a… self
https://access.redhat.com/security/cve/CVE-2023-34440 self
https://bugzilla.redhat.com/show_bug.cgi?id=2345401 external
https://www.cve.org/CVERecord?id=CVE-2023-34440 external
https://nvd.nist.gov/vuln/detail/CVE-2023-34440 external
https://intel.com/content/www/us/en/security-cent… external
https://access.redhat.com/security/cve/CVE-2023-43758 self
https://bugzilla.redhat.com/show_bug.cgi?id=2345416 external
https://www.cve.org/CVERecord?id=CVE-2023-43758 external
https://nvd.nist.gov/vuln/detail/CVE-2023-43758 external
https://access.redhat.com/security/cve/CVE-2024-24582 self
https://bugzilla.redhat.com/show_bug.cgi?id=2345376 external
https://www.cve.org/CVERecord?id=CVE-2024-24582 external
https://nvd.nist.gov/vuln/detail/CVE-2024-24582 external
https://access.redhat.com/security/cve/CVE-2024-28047 self
https://bugzilla.redhat.com/show_bug.cgi?id=2345363 external
https://www.cve.org/CVERecord?id=CVE-2024-28047 external
https://nvd.nist.gov/vuln/detail/CVE-2024-28047 external
https://access.redhat.com/security/cve/CVE-2024-28127 self
https://bugzilla.redhat.com/show_bug.cgi?id=2345370 external
https://www.cve.org/CVERecord?id=CVE-2024-28127 external
https://nvd.nist.gov/vuln/detail/CVE-2024-28127 external
https://access.redhat.com/security/cve/CVE-2024-29214 self
https://bugzilla.redhat.com/show_bug.cgi?id=2345365 external
https://www.cve.org/CVERecord?id=CVE-2024-29214 external
https://nvd.nist.gov/vuln/detail/CVE-2024-29214 external
https://access.redhat.com/security/cve/CVE-2024-31068 self
https://bugzilla.redhat.com/show_bug.cgi?id=2345359 external
https://www.cve.org/CVERecord?id=CVE-2024-31068 external
https://nvd.nist.gov/vuln/detail/CVE-2024-31068 external
https://intel.com/content/www/us/en/security-cent… external
https://access.redhat.com/security/cve/CVE-2024-31157 self
https://bugzilla.redhat.com/show_bug.cgi?id=2345421 external
https://www.cve.org/CVERecord?id=CVE-2024-31157 external
https://nvd.nist.gov/vuln/detail/CVE-2024-31157 external
https://access.redhat.com/security/cve/CVE-2024-36293 self
https://bugzilla.redhat.com/show_bug.cgi?id=2345367 external
https://www.cve.org/CVERecord?id=CVE-2024-36293 external
https://nvd.nist.gov/vuln/detail/CVE-2024-36293 external
https://intel.com/content/www/us/en/security-cent… external
https://access.redhat.com/security/cve/CVE-2024-39279 self
https://bugzilla.redhat.com/show_bug.cgi?id=2345381 external
https://www.cve.org/CVERecord?id=CVE-2024-39279 external
https://nvd.nist.gov/vuln/detail/CVE-2024-39279 external

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          "summary": "https://www.cve.org/CVERecord?id=CVE-2024-31157",
          "url": "https://www.cve.org/CVERecord?id=CVE-2024-31157"
        },
        {
          "category": "external",
          "summary": "https://nvd.nist.gov/vuln/detail/CVE-2024-31157",
          "url": "https://nvd.nist.gov/vuln/detail/CVE-2024-31157"
        },
        {
          "category": "external",
          "summary": "https://intel.com/content/www/us/en/security-center/advisory/intel-sa-01139.html",
          "url": "https://intel.com/content/www/us/en/security-center/advisory/intel-sa-01139.html"
        }
      ],
      "release_date": "2025-02-12T21:19:34.634000+00:00",
      "remediations": [
        {
          "category": "vendor_fix",
          "date": "2025-03-24T13:51:59+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",
          "product_ids": [
            "BaseOS-8.10.0.Z.MAIN.EUS:microcode_ctl-4:20250211-1.el8_10.src",
            "BaseOS-8.10.0.Z.MAIN.EUS:microcode_ctl-4:20250211-1.el8_10.x86_64"
          ],
          "restart_required": {
            "category": "none"
          },
          "url": "https://access.redhat.com/errata/RHEA-2025:3114"
        }
      ],
      "scores": [
        {
          "cvss_v3": {
            "attackComplexity": "HIGH",
            "attackVector": "LOCAL",
            "availabilityImpact": "NONE",
            "baseScore": 5.3,
            "baseSeverity": "MEDIUM",
            "confidentialityImpact": "HIGH",
            "integrityImpact": "NONE",
            "privilegesRequired": "HIGH",
            "scope": "CHANGED",
            "userInteraction": "NONE",
            "vectorString": "CVSS:3.1/AV:L/AC:H/PR:H/UI:N/S:C/C:H/I:N/A:N",
            "version": "3.1"
          },
          "products": [
            "BaseOS-8.10.0.Z.MAIN.EUS:microcode_ctl-4:20250211-1.el8_10.src",
            "BaseOS-8.10.0.Z.MAIN.EUS:microcode_ctl-4:20250211-1.el8_10.x86_64"
          ]
        }
      ],
      "threats": [
        {
          "category": "impact",
          "details": "Moderate"
        }
      ],
      "title": "microcode_ctl: Improper initialization in UEFI firmware OutOfBandXML module"
    },
    {
      "cve": "CVE-2024-36293",
      "cwe": {
        "id": "CWE-284",
        "name": "Improper Access Control"
      },
      "discovery_date": "2025-02-12T22:01:32.862911+00:00",
      "ids": [
        {
          "system_name": "Red Hat Bugzilla ID",
          "text": "2345367"
        }
      ],
      "notes": [
        {
          "category": "description",
          "text": "Improper access control in the EDECCSSA user leaf function for some Intel(R) Processors with Intel(R) SGX may allow an authenticated user to potentially enable denial of service via local access.",
          "title": "Vulnerability description"
        },
        {
          "category": "summary",
          "text": "kernel: microcode_ctl: From CVEorg collector",
          "title": "Vulnerability summary"
        },
        {
          "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-8.10.0.Z.MAIN.EUS:microcode_ctl-4:20250211-1.el8_10.src",
          "BaseOS-8.10.0.Z.MAIN.EUS:microcode_ctl-4:20250211-1.el8_10.x86_64"
        ]
      },
      "references": [
        {
          "category": "self",
          "summary": "Canonical URL",
          "url": "https://access.redhat.com/security/cve/CVE-2024-36293"
        },
        {
          "category": "external",
          "summary": "RHBZ#2345367",
          "url": "https://bugzilla.redhat.com/show_bug.cgi?id=2345367"
        },
        {
          "category": "external",
          "summary": "https://www.cve.org/CVERecord?id=CVE-2024-36293",
          "url": "https://www.cve.org/CVERecord?id=CVE-2024-36293"
        },
        {
          "category": "external",
          "summary": "https://nvd.nist.gov/vuln/detail/CVE-2024-36293",
          "url": "https://nvd.nist.gov/vuln/detail/CVE-2024-36293"
        },
        {
          "category": "external",
          "summary": "https://intel.com/content/www/us/en/security-center/advisory/intel-sa-01213.html",
          "url": "https://intel.com/content/www/us/en/security-center/advisory/intel-sa-01213.html"
        }
      ],
      "release_date": "2025-02-12T21:20:12.658000+00:00",
      "remediations": [
        {
          "category": "vendor_fix",
          "date": "2025-03-24T13:51:59+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",
          "product_ids": [
            "BaseOS-8.10.0.Z.MAIN.EUS:microcode_ctl-4:20250211-1.el8_10.src",
            "BaseOS-8.10.0.Z.MAIN.EUS:microcode_ctl-4:20250211-1.el8_10.x86_64"
          ],
          "restart_required": {
            "category": "none"
          },
          "url": "https://access.redhat.com/errata/RHEA-2025:3114"
        },
        {
          "category": "workaround",
          "details": "Mitigation for this issue is either not available or the currently available options don\u0027t meet the Red Hat Product Security criteria comprising ease of use and deployment, applicability to widespread installation base or stability.",
          "product_ids": [
            "BaseOS-8.10.0.Z.MAIN.EUS:microcode_ctl-4:20250211-1.el8_10.src",
            "BaseOS-8.10.0.Z.MAIN.EUS:microcode_ctl-4:20250211-1.el8_10.x86_64"
          ]
        }
      ],
      "scores": [
        {
          "cvss_v3": {
            "attackComplexity": "LOW",
            "attackVector": "LOCAL",
            "availabilityImpact": "HIGH",
            "baseScore": 6.5,
            "baseSeverity": "MEDIUM",
            "confidentialityImpact": "NONE",
            "integrityImpact": "NONE",
            "privilegesRequired": "LOW",
            "scope": "CHANGED",
            "userInteraction": "NONE",
            "vectorString": "CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:C/C:N/I:N/A:H",
            "version": "3.1"
          },
          "products": [
            "BaseOS-8.10.0.Z.MAIN.EUS:microcode_ctl-4:20250211-1.el8_10.src",
            "BaseOS-8.10.0.Z.MAIN.EUS:microcode_ctl-4:20250211-1.el8_10.x86_64"
          ]
        }
      ],
      "threats": [
        {
          "category": "impact",
          "details": "Moderate"
        }
      ],
      "title": "kernel: microcode_ctl: From CVEorg collector"
    },
    {
      "cve": "CVE-2024-39279",
      "cwe": {
        "id": "CWE-1220",
        "name": "Insufficient Granularity of Access Control"
      },
      "discovery_date": "2025-02-12T22:02:09.950029+00:00",
      "ids": [
        {
          "system_name": "Red Hat Bugzilla ID",
          "text": "2345381"
        }
      ],
      "notes": [
        {
          "category": "description",
          "text": "Insufficient granularity of access control in UEFI firmware in some Intel(R) processors may allow a authenticated user to potentially enable denial of service via local access.",
          "title": "Vulnerability description"
        },
        {
          "category": "summary",
          "text": "microcode_ctl: Insufficient granularity of access control in UEFI firmware",
          "title": "Vulnerability summary"
        },
        {
          "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-8.10.0.Z.MAIN.EUS:microcode_ctl-4:20250211-1.el8_10.src",
          "BaseOS-8.10.0.Z.MAIN.EUS:microcode_ctl-4:20250211-1.el8_10.x86_64"
        ]
      },
      "references": [
        {
          "category": "self",
          "summary": "Canonical URL",
          "url": "https://access.redhat.com/security/cve/CVE-2024-39279"
        },
        {
          "category": "external",
          "summary": "RHBZ#2345381",
          "url": "https://bugzilla.redhat.com/show_bug.cgi?id=2345381"
        },
        {
          "category": "external",
          "summary": "https://www.cve.org/CVERecord?id=CVE-2024-39279",
          "url": "https://www.cve.org/CVERecord?id=CVE-2024-39279"
        },
        {
          "category": "external",
          "summary": "https://nvd.nist.gov/vuln/detail/CVE-2024-39279",
          "url": "https://nvd.nist.gov/vuln/detail/CVE-2024-39279"
        },
        {
          "category": "external",
          "summary": "https://intel.com/content/www/us/en/security-center/advisory/intel-sa-01139.html",
          "url": "https://intel.com/content/www/us/en/security-center/advisory/intel-sa-01139.html"
        }
      ],
      "release_date": "2025-02-12T21:19:32.977000+00:00",
      "remediations": [
        {
          "category": "vendor_fix",
          "date": "2025-03-24T13:51:59+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",
          "product_ids": [
            "BaseOS-8.10.0.Z.MAIN.EUS:microcode_ctl-4:20250211-1.el8_10.src",
            "BaseOS-8.10.0.Z.MAIN.EUS:microcode_ctl-4:20250211-1.el8_10.x86_64"
          ],
          "restart_required": {
            "category": "none"
          },
          "url": "https://access.redhat.com/errata/RHEA-2025:3114"
        }
      ],
      "scores": [
        {
          "cvss_v3": {
            "attackComplexity": "LOW",
            "attackVector": "LOCAL",
            "availabilityImpact": "HIGH",
            "baseScore": 6.5,
            "baseSeverity": "MEDIUM",
            "confidentialityImpact": "NONE",
            "integrityImpact": "NONE",
            "privilegesRequired": "LOW",
            "scope": "CHANGED",
            "userInteraction": "NONE",
            "vectorString": "CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:C/C:N/I:N/A:H",
            "version": "3.1"
          },
          "products": [
            "BaseOS-8.10.0.Z.MAIN.EUS:microcode_ctl-4:20250211-1.el8_10.src",
            "BaseOS-8.10.0.Z.MAIN.EUS:microcode_ctl-4:20250211-1.el8_10.x86_64"
          ]
        }
      ],
      "threats": [
        {
          "category": "impact",
          "details": "Moderate"
        }
      ],
      "title": "microcode_ctl: Insufficient granularity of access control in UEFI firmware"
    }
  ]
}


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Sightings

Author Source Type Date

Nomenclature

  • Seen: The vulnerability was mentioned, discussed, or observed by the user.
  • Confirmed: The vulnerability has been validated from an analyst's perspective.
  • Published Proof of Concept: A public proof of concept is available for this vulnerability.
  • Exploited: The vulnerability was observed as exploited by the user who reported the sighting.
  • Patched: The vulnerability was observed as successfully patched by the user who reported the sighting.
  • Not exploited: The vulnerability was not observed as exploited by the user who reported the sighting.
  • Not confirmed: The user expressed doubt about the validity of the vulnerability.
  • Not patched: The vulnerability was not observed as successfully patched by the user who reported the sighting.


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Detection rules are retrieved from Rulezet.

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