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Vulnerability DatabaseCVE-2025-20103

CVE-2025-20103: 
Linux Debian vulnerability analysis and mitigation

Overview

CVE-2025-20103 is a vulnerability discovered in Intel(R) Processors' core management mechanism, disclosed on May 13, 2025. The vulnerability stems from an insufficient resource pool in the core management mechanism that affects multiple Intel processor families (NVD, Wiz).

Technical details

The vulnerability has been assigned a CVSS v4.0 base score of 5.7 (Medium) with vector string CVSS:4.0/AV:L/AC:L/AT:P/PR:L/UI:N/VC:N/VI:N/VA:H/SC:N/SI:N/SA:N, and a CVSS v3.1 base score of 6.5 (Medium) with vector string CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:C/C:N/I:N/A:H. It is classified under CWE-410 (Insufficient Resource Pool) (NVD).

Impact

When exploited, this vulnerability can lead to denial of service conditions. The attack requires local access and authentication, potentially affecting system availability while not compromising confidentiality or integrity (Wiz).

Mitigation and workarounds

Intel has released microcode updates to address this vulnerability through advisory INTEL-SA-01244. Various Linux distributions have also released patches, including Debian which has released version 3.20250512.1~deb11u1 for bullseye/non-free (security) (Wiz).

Additional resources

Source: This report was generated using AI

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