AMD Ryzen 5 5700ge Firmware vulnerabilities

16 CVEs affecting AMD Ryzen 5 5700ge Firmware, 0 known to be exploited (CISA KEV), with EPSS scores. Latest: CVE-2023-20597, published 2023-09-20.

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Known exploited (CISA KEV) first, then by EPSS exploit probability.

• CVE-2021-26317, published 2022-05-12. High severity, CVSS 7.8. EPSS: 0.3% chance of exploitation in the next 30 days. Failure to verify the protocol in SMM may allow an attacker to control the protocol and modify SPI flash resulting in a potential arbitrary code execution.
• CVE-2021-26386, published 2022-05-12. High severity, CVSS 7.8. EPSS: 0.3% chance of exploitation in the next 30 days. A malicious or compromised UApp or ABL may be used by an attacker to issue a malformed system call to the Stage 2 Bootloader potentially leading to corrupt memory and code execution.
• CVE-2021-26339, published 2022-05-11. Medium severity, CVSS 5.5. EPSS: 0.3% chance of exploitation in the next 30 days. A bug in AMD CPU’s core logic may allow for an attacker, using specific code from an unprivileged VM, to trigger a CPU core hang resulting in a potential denial of service. AMD believes the specific…
• CVE-2021-26316, published 2023-01-11. High severity, CVSS 7.8. EPSS: 0.3% chance of exploitation in the next 30 days. Failure to validate the communication buffer and communication service in the BIOS may allow an attacker to tamper with the buffer resulting in potential SMM (System Management Mode) arbitrary code…
• CVE-2021-26366, published 2022-05-12. High severity, CVSS 7.1. EPSS: 0.2% chance of exploitation in the next 30 days. An attacker, who gained elevated privileges via some other vulnerability, may be able to read data from Boot ROM resulting in a loss of system integrity.
• CVE-2021-26369, published 2022-05-12. High severity, CVSS 7.8. EPSS: 0.2% chance of exploitation in the next 30 days. A malicious or compromised UApp or ABL may be used by an attacker to send a malformed system call to the bootloader, resulting in out-of-bounds memory accesses.
• CVE-2021-26361, published 2022-05-12. Medium severity, CVSS 5.5. EPSS: 0.2% chance of exploitation in the next 30 days. A malicious or compromised User Application (UApp) or AGESA Boot Loader (ABL) could be used by an attacker to exfiltrate arbitrary memory from the ASP stage 2 bootloader potentially leading to…
• CVE-2021-46778, published 2022-08-10. Medium severity, CVSS 5.6. EPSS: 0.2% chance of exploitation in the next 30 days. Execution unit scheduler contention may lead to a side channel vulnerability found on AMD CPU microarchitectures codenamed “Zen 1”, “Zen 2” and “Zen 3” that use simultaneous multithreading (SMT). By…
• CVE-2021-26336, published 2021-11-16. Medium severity, CVSS 5.5. EPSS: 0.2% chance of exploitation in the next 30 days. Insufficient bounds checking in System Management Unit (SMU) may cause invalid memory accesses/updates that could result in SMU hang and subsequent failure to service any further requests from other…
• CVE-2021-26362, published 2022-05-12. High severity, CVSS 7.1. EPSS: 0.2% chance of exploitation in the next 30 days. A malicious or compromised UApp or ABL may be used by an attacker to issue a malformed system call which results in mapping sensitive System Management Network (SMN) registers leading to a loss of…

Latest

• CVE-2023-20597, published 2023-09-20. Medium severity, CVSS 5.5. EPSS: 0.2% chance of exploitation in the next 30 days. Improper initialization of variables in the DXE driver may allow a privileged user to leak sensitive information via local access.
• CVE-2023-20594, published 2023-09-20. Medium severity, CVSS 4.4. EPSS: 0.2% chance of exploitation in the next 30 days. Improper initialization of variables in the DXE driver may allow a privileged user to leak sensitive information via local access.
• CVE-2021-26346, published 2023-01-11. Medium severity, CVSS 5.5. EPSS: 0.2% chance of exploitation in the next 30 days. Failure to validate the integer operand in ASP (AMD Secure Processor) bootloader may allow an attacker to introduce an integer overflow in the L2 directory table in SPI flash resulting in a potential…
• CVE-2021-26368, published 2022-05-12. Medium severity, CVSS 4.4. EPSS: 0.1% chance of exploitation in the next 30 days. Insufficient check of the process type in Trusted OS (TOS) may allow an attacker with privileges to enable a lesser privileged process to unmap memory owned by a higher privileged process resulting…
• CVE-2021-26363, published 2022-05-12. Medium severity, CVSS 4.4. EPSS: 0.2% chance of exploitation in the next 30 days. A malicious or compromised UApp or ABL could potentially change the value that the ASP uses for its reserved DRAM, to one outside of the fenced area, potentially leading to data exposure.