Amd: >> Ryzen 5 3400g Firmware Security Vulnerabilities
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.
CVSS Score
7.8
EPSS Score
0.001
Published
2022-05-12
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 code includes a specific x86 instruction sequence that would not be generated by compilers.
CVSS Score
5.5
EPSS Score
0.001
Published
2022-05-11
LFENCE/JMP (mitigation V2-2) may not sufficiently mitigate CVE-2017-5715 on some AMD CPUs.
CVSS Score
5.6
EPSS Score
0.001
Published
2022-03-11
Some AMD CPUs may transiently execute beyond unconditional direct branches, which may potentially result in data leakage.
CVSS Score
6.5
EPSS Score
0.001
Published
2022-03-11
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 components.
CVSS Score
5.5
EPSS Score
0.001
Published
2021-11-16
Insufficient DRAM address validation in System Management Unit (SMU) may result in a DMA read from invalid DRAM address to SRAM resulting in SMU not servicing further requests.
CVSS Score
5.5
EPSS Score
0.001
Published
2021-11-16
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