Epyc 7003 Security Vulnerabilities
A potential weakness in AMD SPI protection features may allow a malicious attacker with Ring0 (kernel mode) access to bypass the native System Management Mode (SMM) ROM...
8.2CVSS
6.8AI Score
0.0004EPSS
Improper Access Control in System Management Mode (SMM) may allow an attacker access to the SPI flash potentially leading to arbitrary code...
7.2AI Score
0.0004EPSS
TOCTOU in the ASP Bootloader may allow an attacker with physical access to tamper with SPI ROM records after memory content verification, potentially leading to loss of confidentiality or a denial of...
5.7CVSS
6.1AI Score
0.0005EPSS
Insufficient DRAM address validation in System Management Unit (SMU) may allow an attacker to read/write from/to an invalid DRAM address, potentially resulting in...
7.5CVSS
7.5AI Score
0.001EPSS
Improper address validation in ASP with SNP enabled may potentially allow an attacker to compromise guest memory...
7.5CVSS
7.1AI Score
0.0005EPSS
Insufficient input validation in the ASP Bootloader may enable a privileged attacker with physical access to expose the contents of ASP memory potentially leading to a loss of...
4.6CVSS
5.9AI Score
0.001EPSS
SMM configuration may not be immutable, as intended, when SNP is enabled resulting in a potential limited loss of guest memory...
5.3CVSS
6.3AI Score
0.0005EPSS
Insufficient DRAM address validation in System Management Unit (SMU) may allow an attacker to read/write from/to an invalid DRAM address, potentially resulting in...
7.5CVSS
7.8AI Score
0.001EPSS
Failure to validate the value in APCB may allow a privileged attacker to tamper with the APCB token to force an out-of-bounds memory read potentially resulting in a denial of...
4.9CVSS
6.1AI Score
0.0004EPSS
Failure to validate the AMD SMM communication buffer may allow an attacker to corrupt the SMRAM potentially leading to arbitrary code...
9.8CVSS
8.5AI Score
0.013EPSS
Improper initialization of variables in the DXE driver may allow a privileged user to leak sensitive information via local...
4.4CVSS
4.5AI Score
0.0004EPSS
Insufficient input validation in the SMU may allow an attacker to corrupt SMU SRAM potentially leading to a loss of integrity or denial of...
9.1CVSS
6.4AI Score
0.001EPSS
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...
5.5CVSS
7.2AI Score
0.0004EPSS
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...
5.5CVSS
7.1AI Score
0.0004EPSS
Insufficient bound checks in the SMU may allow an attacker to update the SRAM from/to address space to an invalid value potentially resulting in a denial of...
7.5CVSS
7.5AI Score
0.001EPSS
Insufficient input validation in the SMU may allow an attacker to improperly lock resources, potentially resulting in a denial of...
5.3CVSS
5.9AI Score
0.001EPSS
Insufficient syscall input validation in the ASP Bootloader may allow a privileged attacker to read memory outside the bounds of a mapped register potentially leading to a denial of...
6.5CVSS
6.6AI Score
0.001EPSS
Insufficient input validation in the SMU may allow a physical attacker to exfiltrate SMU memory contents over the I2C bus potentially leading to a loss of...
2.4CVSS
4.6AI Score
0.0005EPSS
TOCTOU in the ASP may allow a physical attacker to write beyond the buffer bounds, potentially leading to a loss of integrity or denial of...
5.7CVSS
6.1AI Score
0.001EPSS
Improper syscall input validation in the ASP Bootloader may allow a privileged attacker to read memory out-of-bounds, potentially leading to a...
6.5CVSS
6.7AI Score
0.001EPSS
Insufficient bound checks in the SMU may allow an attacker to update the from/to address space to an invalid value potentially resulting in a denial of...
7.5CVSS
7.5AI Score
0.001EPSS
Insufficient input validation of BIOS mailbox messages in SMU may result in out-of-bounds memory reads potentially resulting in a denial of...
7.5CVSS
7.6AI Score
0.001EPSS
Insufficient fencing and checks in System Management Unit (SMU) may result in access to invalid message port registers that could result in a potential...
5.5CVSS
6.1AI Score
0.0004EPSS
Insufficient bounds checking in ASP (AMD Secure Processor) firmware while handling BIOS mailbox commands, may allow an attacker to write partially-controlled data out-of-bounds to SMM or SEV-ES regions which may lead to a potential loss of integrity and...
7.1CVSS
7.2AI Score
0.0004EPSS
Improper input validation and bounds checking in SEV firmware may leak scratch buffer bytes leading to potential information...
5.5CVSS
6.2AI Score
0.0004EPSS
Insufficient input validation in SYS_KEY_DERIVE system call in a compromised user application or ABL may allow an attacker to corrupt ASP (AMD Secure Processor) OS memory which may lead to potential arbitrary code...
7.8CVSS
7.9AI Score
0.0004EPSS
Insufficient validation of address mapping to IO in ASP (AMD Secure Processor) may result in a loss of memory integrity in the SNP...
4.4CVSS
5.5AI Score
0.0004EPSS
Failure to verify the mode of CPU execution at the time of SNP_INIT may lead to a potential loss of memory integrity for SNP...
4.4CVSS
5.7AI Score
0.0004EPSS
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...
7.8CVSS
8AI Score
0.0004EPSS
Insufficient validation in ASP BIOS and DRTM commands may allow malicious supervisor x86 software to disclose the contents of sensitive memory which may result in information...
5.5CVSS
6AI Score
0.0004EPSS
IBPB may not prevent return branch predictions from being specified by pre-IBPB branch targets leading to a potential information...
5.5CVSS
5.6AI Score
0.001EPSS
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 measuring the contention level on scheduler queues an attacker may potentially leak sensitive...
5.6CVSS
5.7AI Score
0.0004EPSS
An attacker with access to a malicious hypervisor may be able to infer data values used in a SEV guest on AMD CPUs by monitoring ciphertext values over...
6.5CVSS
6.3AI Score
0.0004EPSS
Improper input and range checking in the AMD Secure Processor (ASP) boot loader image header may allow an attacker to use attacker-controlled values prior to signature validation potentially resulting in arbitrary code...
7.8CVSS
8AI Score
0.0004EPSS
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...
5.5CVSS
6.2AI Score
0.0004EPSS
Race condition in ASP firmware could allow less privileged x86 code to perform ASP SMM (System Management Mode)...
7CVSS
7.3AI Score
0.0004EPSS
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...
5.5CVSS
6.3AI Score
0.0004EPSS
AMD EPYC™ Processors contain an information disclosure vulnerability in the Secure Encrypted Virtualization with Encrypted State (SEV-ES) and Secure Encrypted Virtualization with Secure Nested Paging (SEV-SNP). A local authenticated attacker could potentially exploit this vulnerability leading to.....
5.5CVSS
5AI Score
0.0004EPSS
AMD System Management Unit (SMU) may experience a heap-based overflow which may result in a loss of...
5.5CVSS
6.1AI Score
0.0004EPSS
AMD System Management Unit (SMU) contains a potential issue where a malicious user may be able to manipulate mailbox entries leading to arbitrary code...
7.8CVSS
7.8AI Score
0.0004EPSS
A potential vulnerability exists in AMD Platform Security Processor (PSP) that may allow an attacker to zero any privileged register on the System Management Network which may lead to bypassing SPI ROM...
7.8CVSS
7.4AI Score
0.0004EPSS
Insufficient validation of guest context in the SNP Firmware could lead to a potential loss of guest...
5.5CVSS
5.9AI Score
0.0004EPSS
When the AMD Platform Security Processor (PSP) boot rom loads, authenticates, and subsequently decrypts an encrypted FW, due to insufficient verification of the integrity of decrypted image, arbitrary code may be executed in the PSP when encrypted firmware images are...
7.8CVSS
7.7AI Score
0.0004EPSS
A side effect of an integrated chipset option may be able to be used by an attacker to bypass SPI ROM protections, allowing unauthorized SPI ROM...
5.5CVSS
5.9AI Score
0.0004EPSS
A potential denial of service (DoS) vulnerability exists in the integrated chipset that may allow a malicious attacker to hang the system when it is...
7.5CVSS
7.2AI Score
0.001EPSS