RHSA-2025:7043
Vulnerability from csaf_redhat - Published: 2025-05-13 08:49 - Updated: 2026-03-18 02:49Summary
Red Hat Security Advisory: microcode_ctl security update
Severity
Moderate
Notes
Topic: An update for microcode_ctl is now available for Red Hat Enterprise Linux 9.
Red Hat Product Security has rated this update as having a security impact of Moderate. A Common Vulnerability Scoring System (CVSS) base score, which gives a detailed severity rating, is available for each vulnerability from the CVE link(s) in the References section.
Details: The microcode_ctl packages provide microcode updates for Intel and AMD processors.
Security Fix(es):
* microcode_ctl: Improper input validation in UEFI firmware (CVE-2024-28047)
* microcode_ctl: Insufficient granularity of access control in UEFI firmware (CVE-2024-39279)
* microcode_ctl: mproper initialization in UEFI firmware OutOfBandXML module (CVE-2024-31157)
For more details about the security issue(s), including the impact, a CVSS score, acknowledgments, and other related information, refer to the CVE page(s) listed in the References section.
Additional Changes:
For detailed information on changes in this release, see the Red Hat Enterprise Linux 9 Release Notes linked from the References section.
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.
Improper input validation in UEFI firmware for some Intel(R) Processors may allow a privileged user to potentially enable information disclosure via local access.
5.3 (Medium)
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/RHSA-2025:7043
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.
5.3 (Medium)
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/RHSA-2025:7043
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.
6.5 (Medium)
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/RHSA-2025:7043
References
{
"document": {
"aggregate_severity": {
"namespace": "https://access.redhat.com/security/updates/classification/",
"text": "Moderate"
},
"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 9.\n\nRed Hat Product Security has rated this update as having a security impact of Moderate. A Common Vulnerability Scoring System (CVSS) base score, which gives a detailed severity rating, is available for each vulnerability from the CVE link(s) in the References section.",
"title": "Topic"
},
{
"category": "general",
"text": "The microcode_ctl packages provide microcode updates for Intel and AMD processors.\n\nSecurity Fix(es):\n\n* microcode_ctl: Improper input validation in UEFI firmware (CVE-2024-28047)\n\n* microcode_ctl: Insufficient granularity of access control in UEFI firmware (CVE-2024-39279)\n\n* microcode_ctl: mproper initialization in UEFI firmware OutOfBandXML module (CVE-2024-31157)\n\nFor more details about the security issue(s), including the impact, a CVSS score, acknowledgments, and other related information, refer to the CVE page(s) listed in the References section.\n\nAdditional Changes:\n\nFor detailed information on changes in this release, see the Red Hat Enterprise Linux 9 Release Notes linked from the References section.",
"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/RHSA-2025:7043",
"url": "https://access.redhat.com/errata/RHSA-2025:7043"
},
{
"category": "external",
"summary": "https://docs.redhat.com/en/documentation/red_hat_enterprise_linux/9/html/9.6_release_notes/index",
"url": "https://docs.redhat.com/en/documentation/red_hat_enterprise_linux/9/html/9.6_release_notes/index"
},
{
"category": "external",
"summary": "https://access.redhat.com/security/updates/classification/#moderate",
"url": "https://access.redhat.com/security/updates/classification/#moderate"
},
{
"category": "external",
"summary": "2345363",
"url": "https://bugzilla.redhat.com/show_bug.cgi?id=2345363"
},
{
"category": "external",
"summary": "2345381",
"url": "https://bugzilla.redhat.com/show_bug.cgi?id=2345381"
},
{
"category": "external",
"summary": "2345421",
"url": "https://bugzilla.redhat.com/show_bug.cgi?id=2345421"
},
{
"category": "external",
"summary": "RHEL-67336",
"url": "https://issues.redhat.com/browse/RHEL-67336"
},
{
"category": "self",
"summary": "Canonical URL",
"url": "https://security.access.redhat.com/data/csaf/v2/advisories/2025/rhsa-2025_7043.json"
}
],
"title": "Red Hat Security Advisory: microcode_ctl security update",
"tracking": {
"current_release_date": "2026-03-18T02:49:59+00:00",
"generator": {
"date": "2026-03-18T02:49:59+00:00",
"engine": {
"name": "Red Hat SDEngine",
"version": "4.7.3"
}
},
"id": "RHSA-2025:7043",
"initial_release_date": "2025-05-13T08:49:17+00:00",
"revision_history": [
{
"date": "2025-05-13T08:49:17+00:00",
"number": "1",
"summary": "Initial version"
},
{
"date": "2025-05-13T08:49:17+00:00",
"number": "2",
"summary": "Last updated version"
},
{
"date": "2026-03-18T02:49:59+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 (v. 9)",
"product": {
"name": "Red Hat Enterprise Linux BaseOS (v. 9)",
"product_id": "BaseOS-9.6.0.GA",
"product_identification_helper": {
"cpe": "cpe:/o:redhat:enterprise_linux:9::baseos"
}
}
}
],
"category": "product_family",
"name": "Red Hat Enterprise Linux"
},
{
"branches": [
{
"category": "product_version",
"name": "microcode_ctl-4:20250211-1.el9_6.src",
"product": {
"name": "microcode_ctl-4:20250211-1.el9_6.src",
"product_id": "microcode_ctl-4:20250211-1.el9_6.src",
"product_identification_helper": {
"purl": "pkg:rpm/redhat/microcode_ctl@20250211-1.el9_6?arch=src\u0026epoch=4"
}
}
}
],
"category": "architecture",
"name": "src"
},
{
"branches": [
{
"category": "product_version",
"name": "microcode_ctl-4:20250211-1.el9_6.noarch",
"product": {
"name": "microcode_ctl-4:20250211-1.el9_6.noarch",
"product_id": "microcode_ctl-4:20250211-1.el9_6.noarch",
"product_identification_helper": {
"purl": "pkg:rpm/redhat/microcode_ctl@20250211-1.el9_6?arch=noarch\u0026epoch=4"
}
}
}
],
"category": "architecture",
"name": "noarch"
}
],
"category": "vendor",
"name": "Red Hat"
}
],
"relationships": [
{
"category": "default_component_of",
"full_product_name": {
"name": "microcode_ctl-4:20250211-1.el9_6.noarch as a component of Red Hat Enterprise Linux BaseOS (v. 9)",
"product_id": "BaseOS-9.6.0.GA:microcode_ctl-4:20250211-1.el9_6.noarch"
},
"product_reference": "microcode_ctl-4:20250211-1.el9_6.noarch",
"relates_to_product_reference": "BaseOS-9.6.0.GA"
},
{
"category": "default_component_of",
"full_product_name": {
"name": "microcode_ctl-4:20250211-1.el9_6.src as a component of Red Hat Enterprise Linux BaseOS (v. 9)",
"product_id": "BaseOS-9.6.0.GA:microcode_ctl-4:20250211-1.el9_6.src"
},
"product_reference": "microcode_ctl-4:20250211-1.el9_6.src",
"relates_to_product_reference": "BaseOS-9.6.0.GA"
}
]
},
"vulnerabilities": [
{
"cve": "CVE-2024-28047",
"cwe": {
"id": "CWE-20",
"name": "Improper Input Validation"
},
"discovery_date": "2025-02-12T22:01:21.283986+00:00",
"ids": [
{
"system_name": "Red Hat Bugzilla ID",
"text": "2345363"
}
],
"notes": [
{
"category": "description",
"text": "Improper input validation in UEFI firmware for some Intel(R) Processors may allow a privileged user to potentially enable information disclosure via local access.",
"title": "Vulnerability description"
},
{
"category": "summary",
"text": "microcode_ctl: Improper input validation 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-9.6.0.GA:microcode_ctl-4:20250211-1.el9_6.noarch",
"BaseOS-9.6.0.GA:microcode_ctl-4:20250211-1.el9_6.src"
]
},
"references": [
{
"category": "self",
"summary": "Canonical URL",
"url": "https://access.redhat.com/security/cve/CVE-2024-28047"
},
{
"category": "external",
"summary": "RHBZ#2345363",
"url": "https://bugzilla.redhat.com/show_bug.cgi?id=2345363"
},
{
"category": "external",
"summary": "https://www.cve.org/CVERecord?id=CVE-2024-28047",
"url": "https://www.cve.org/CVERecord?id=CVE-2024-28047"
},
{
"category": "external",
"summary": "https://nvd.nist.gov/vuln/detail/CVE-2024-28047",
"url": "https://nvd.nist.gov/vuln/detail/CVE-2024-28047"
},
{
"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": "2025-02-12T21:19:36.237000+00:00",
"remediations": [
{
"category": "vendor_fix",
"date": "2025-05-13T08:49:17+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-9.6.0.GA:microcode_ctl-4:20250211-1.el9_6.noarch",
"BaseOS-9.6.0.GA:microcode_ctl-4:20250211-1.el9_6.src"
],
"restart_required": {
"category": "none"
},
"url": "https://access.redhat.com/errata/RHSA-2025:7043"
}
],
"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-9.6.0.GA:microcode_ctl-4:20250211-1.el9_6.noarch",
"BaseOS-9.6.0.GA:microcode_ctl-4:20250211-1.el9_6.src"
]
}
],
"threats": [
{
"category": "impact",
"details": "Moderate"
}
],
"title": "microcode_ctl: Improper input validation in UEFI firmware"
},
{
"cve": "CVE-2024-31157",
"cwe": {
"id": "CWE-665",
"name": "Improper Initialization"
},
"discovery_date": "2025-02-12T22:04:06.550868+00:00",
"ids": [
{
"system_name": "Red Hat Bugzilla ID",
"text": "2345421"
}
],
"notes": [
{
"category": "description",
"text": "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.",
"title": "Vulnerability description"
},
{
"category": "summary",
"text": "microcode_ctl: Improper initialization in UEFI firmware OutOfBandXML module",
"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-9.6.0.GA:microcode_ctl-4:20250211-1.el9_6.noarch",
"BaseOS-9.6.0.GA:microcode_ctl-4:20250211-1.el9_6.src"
]
},
"references": [
{
"category": "self",
"summary": "Canonical URL",
"url": "https://access.redhat.com/security/cve/CVE-2024-31157"
},
{
"category": "external",
"summary": "RHBZ#2345421",
"url": "https://bugzilla.redhat.com/show_bug.cgi?id=2345421"
},
{
"category": "external",
"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": "2025-05-13T08:49:17+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-9.6.0.GA:microcode_ctl-4:20250211-1.el9_6.noarch",
"BaseOS-9.6.0.GA:microcode_ctl-4:20250211-1.el9_6.src"
],
"restart_required": {
"category": "none"
},
"url": "https://access.redhat.com/errata/RHSA-2025:7043"
}
],
"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-9.6.0.GA:microcode_ctl-4:20250211-1.el9_6.noarch",
"BaseOS-9.6.0.GA:microcode_ctl-4:20250211-1.el9_6.src"
]
}
],
"threats": [
{
"category": "impact",
"details": "Moderate"
}
],
"title": "microcode_ctl: Improper initialization in UEFI firmware OutOfBandXML module"
},
{
"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-9.6.0.GA:microcode_ctl-4:20250211-1.el9_6.noarch",
"BaseOS-9.6.0.GA:microcode_ctl-4:20250211-1.el9_6.src"
]
},
"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": "2025-05-13T08:49:17+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-9.6.0.GA:microcode_ctl-4:20250211-1.el9_6.noarch",
"BaseOS-9.6.0.GA:microcode_ctl-4:20250211-1.el9_6.src"
],
"restart_required": {
"category": "none"
},
"url": "https://access.redhat.com/errata/RHSA-2025:7043"
}
],
"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-9.6.0.GA:microcode_ctl-4:20250211-1.el9_6.noarch",
"BaseOS-9.6.0.GA:microcode_ctl-4:20250211-1.el9_6.src"
]
}
],
"threats": [
{
"category": "impact",
"details": "Moderate"
}
],
"title": "microcode_ctl: Insufficient granularity of access control in UEFI firmware"
}
]
}
Loading…
Loading…
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.
Loading…
Loading…