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CVSS: 6.8EPSS: 0%CPEs: 244EXPL: 0

An attacker with specialized hardware and physical access to an impacted device may be able to perform a voltage fault injection attack resulting in compromise of the ASP secure boot potentially leading to arbitrary code execution. • https://www.amd.com/en/corporate/product-security/bulletin/AMD-SB-4005 •

CVSS: 6.5EPSS: 0%CPEs: 145EXPL: 1

An issue in “Zen 2” CPUs, under specific microarchitectural circumstances, may allow an attacker to potentially access sensitive information. A flaw was found in hw, in “Zen 2” CPUs. This issue may allow an attacker to access sensitive information under specific microarchitectural circumstances. • http://seclists.org/fulldisclosure/2023/Jul/43 http://www.openwall.com/lists/oss-security/2023/07/24/3 http://www.openwall.com/lists/oss-security/2023/07/25/1 http://www.openwall.com/lists/oss-security/2023/07/25/12 http://www.openwall.com/lists/oss-security/2023/07/25/13 http://www.openwall.com/lists/oss-security/2023/07/25/14 http://www.openwall.com/lists/oss-security/2023/07/25/15 http://www.openwall.com/lists/oss-security/2023/07/25/1 • CWE-209: Generation of Error Message Containing Sensitive Information CWE-1239: Improper Zeroization of Hardware Register •

CVSS: 5.5EPSS: 0%CPEs: 256EXPL: 0

A compromised or malicious ABL or UApp could send a SHA256 system call to the bootloader, which may result in exposure of ASP memory to userspace, potentially leading to information disclosure. • https://www.amd.com/en/corporate/product-security/bulletin/AMD-SB-3001 https://www.amd.com/en/corporate/product-security/bulletin/AMD-SB-4001 •

CVSS: 7.4EPSS: 0%CPEs: 196EXPL: 0

A TOCTOU in ASP bootloader may allow an attacker to tamper with the SPI ROM following data read to memory potentially resulting in S3 data corruption and information disclosure. • https://www.amd.com/en/corporate/product-security/bulletin/AMD-SB-3001 https://www.amd.com/en/corporate/product-security/bulletin/AMD-SB-4001 • CWE-367: Time-of-check Time-of-use (TOCTOU) Race Condition •

CVSS: 5.5EPSS: 0%CPEs: 304EXPL: 0

Insufficient bounds checking in ASP may allow an attacker to issue a system call from a compromised ABL which may cause arbitrary memory values to be initialized to zero, potentially leading to a loss of integrity. • https://www.amd.com/en/corporate/product-security/bulletin/AMD-SB-3001 https://www.amd.com/en/corporate/product-security/bulletin/AMD-SB-4001 • CWE-120: Buffer Copy without Checking Size of Input ('Classic Buffer Overflow') •