CVE-2024-39279

microcode_ctl: Insufficient granularity of access control in UEFI firmware

Published Feb 12, 2025 CVSS 4.0 · 6.8 Medium EPSS < 1% KEV · Not listed
Description
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.

Remediation

No solution or workaround provided in the CVE record

Tracking

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Advisories

Source ID Title
Debian DLA Debian DLA DLA-4095-1 intel-microcode security update
EUVD EUVD EUVD-2025-4933 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.
Ubuntu USN Ubuntu USN USN-7269-1 Intel Microcode vulnerabilities
Ubuntu USN Ubuntu USN USN-7269-2 Intel Microcode vulnerabilities
History
Type Values Removed Values Added
Metrics epss

{'score': 0.0004}

epss

{'score': 0.00031}

Type Values Removed Values Added
Metrics epss

{'score': 0.00036}

epss

{'score': 0.0004}

Type Values Removed Values Added
Metrics epss

{'score': 0.0005}

epss

{'score': 0.00036}

Type Values Removed Values Added
First Time appeared Redhat
Redhat enterprise Linux
CPEs cpe:/o:redhat:enterprise_linux:9
Vendors & Products Redhat
Redhat enterprise Linux
Type Values Removed Values Added
Title microcode_ctl: Insufficient granularity of access control in UEFI firmware
References
Metrics threat_severity

None

threat_severity

Moderate

Type Values Removed Values Added
Metrics ssvc

{'options': {'Automatable': 'no', 'Exploitation': 'none', 'Technical Impact': 'partial'}, 'version': '2.0.3'}

Type Values Removed Values Added
Description 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.
Weaknesses CWE-1220
References
Metrics cvssV3_1

{'score': 6.5, 'vector': 'CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:C/C:N/I:N/A:H'}

cvssV4_0

{'score': 6.8, 'vector': 'CVSS:4.0/AV:L/AC:L/AT:P/PR:L/UI:N/VC:N/VI:N/VA:H/SC:N/SI:N/SA:H'}

Weaknesses

Sources

Status
PUBLISHED
Assigner
intel
Published
Updated
Nov 3, 2025, 8:38 PM
Reserved
Jun 25, 2024, 3:00 AM
Status
Deferred
Published
Feb 12, 2025, 10:15 PM
Modified
Jun 17, 2026, 7:41 AM
Severity
Moderate
Public date
Feb 12, 2025, 9:19 PM