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{"bugzilla": {"description": "hw: amd: SPI flash RCE", "id": "2263392", "url": "https://bugzilla.redhat.com/show_bug.cgi?id=2263392"}, "csaw": false, "cvss3": {"cvss3_base_score": "7.4", "cvss3_scoring_vector": "CVSS:3.1/AV:L/AC:H/PR:N/UI:N/S:U/C:H/I:H/A:H", "status": "draft"}, "cwe": "CWE-122", "details": ["A vulnerability was found in AMD hardware due to a heap overflow in the SMM module. This issue could allow a local unauthenticated attacker to enable writing to SPI flash to execute arbitrary code."], "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-2023-20577", "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-2023-20577\nhttps://nvd.nist.gov/vuln/detail/CVE-2023-20577\nhttps://www.amd.com/en/resources/product-security/bulletin/amd-sb-7009.html"], "statement": "In order to exploit this vulnerability, initial access must be gained via an additional vulnerability.\nThe 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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