CVE-2023-20576

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{"bugzilla": {"description": "hw: amd: Insufficient Verification of Data Authenticity in AGESATM", "id": "2263271", "url": "https://bugzilla.redhat.com/show_bug.cgi?id=2263271"}, "csaw": false, "cvss3": {"cvss3_base_score": "7.7", "cvss3_scoring_vector": "CVSS:3.1/AV:L/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:H", "status": "draft"}, "cwe": "CWE-345", "details": ["A vulnerability was found in AMD hardware due to insufficient verification of data authenticity in AGESA. This issue may allow a local unauthenticated attacker to update SPI ROM data, potentially resulting in denial of service or privilege escalation."], "mitigation": {"lang": "en:us", "value": "Mitigation for this issue is either not available or the currently available options do not meet the Red Hat Product Security criteria comprising ease of use and deployment, applicability to widespread installation base or stability."}, "name": "CVE-2023-20576", "package_state": [{"cpe": "cpe:/o:redhat:enterprise_linux:7", "fix_state": "Not affected", "package_name": "linux-firmware", "product_name": "Red Hat Enterprise Linux 7"}, {"cpe": "cpe:/o:redhat:enterprise_linux:8", "fix_state": "Not affected", "package_name": "linux-firmware", "product_name": "Red Hat Enterprise Linux 8"}, {"cpe": "cpe:/o:redhat:enterprise_linux:9", "fix_state": "Not affected", "package_name": "linux-firmware", "product_name": "Red Hat Enterprise Linux 9"}], "public_date": "2024-02-13T00:00:00Z", "references": ["https://www.cve.org/CVERecord?id=CVE-2023-20576\nhttps://nvd.nist.gov/vuln/detail/CVE-2023-20576\nhttps://www.amd.com/en/resources/product-security/bulletin/amd-sb-7009.html"], "statement": "The PSP and AEGIS vulnerabilities necessitate a BIOS update, as they are not inherent to the CPU and cannot be addressed through CPU microcode updates. This requires a UEFI firmware update from the device vendor, distinct from updates in the linux-firmware package. Therefore, linux-firmware on Red Hat Enterprise Linux is marked as not affected.", "threat_severity": "Important"}

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