RHSA-2025:7043
Vulnerability from csaf_opensuse - Published: 2025-05-13 08:49 - Updated: 2026-10-13 23:28Improper input validation in UEFI firmware for some Intel(R) Processors may allow a privileged user to potentially enable information disclosure via local access.
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.
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.
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"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.",
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"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.",
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"text": "The impact of this issue is Moderate for Red Hat Enterprise Linux. Improper input validation in UEFI firmware for some Intel processors may allow a privileged local user to enable information disclosure. The issue is scored 5.3 (CVSS v3.1: AV:L/AC:H/PR:H/UI:N/S:C/C:H/I:N/A:N), reflecting the need for local access, high attack complexity, and high privileges, with confidentiality impact but no integrity or availability impact. The affected scope includes the listed RHEL 7 ELS, RHEL 8, RHEL 9.6, and RHEL 10 microcode_ctl streams; the current affects data does not identify any not-affected RHEL product. RHEL 7 and RHEL 8 entries are marked out of support, RHEL 9.6 is delegated as affected with a fix being pursued, and the RHEL 10 entry is delegated with a WONTFIX resolution.",
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"title": "microcode_ctl: Improper input validation in UEFI firmware"
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"text": "Moderate impact: Red Hat Enterprise Linux systems using the affected microcode_ctl component may allow a privileged local user to exploit improper initialization in the UEFI firmware OutOfBandXML module on some Intel processors, potentially causing information disclosure. The local attack requires high privileges and high attack complexity, consistent with the current CVSS 3.1 score of 5.3 (Moderate), with high confidentiality impact and no integrity or availability impact. The issue affects the recorded Red Hat Enterprise Linux 7 ELS and Red Hat Enterprise Linux 8 streams, and Red Hat Enterprise Linux 9.6, for which a fix is being pursued. Red Hat Enterprise Linux 10.0 is not affected because the vulnerable code is not present.",
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"title": "microcode_ctl: Improper initialization in UEFI firmware OutOfBandXML module"
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Nomenclature
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