Amd Epyc 7773X vulnerabilities, page 2

71 vulnerabilities

Known vulnerabilities in Amd Epyc 7773X, newest first, with CVSS severity, EPSS, KEV listings, ransomware use and the affected versions.

4.4CVE-2021-26328amd3rd gen epyc+24
EPSS score
0.19%
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 guests.
4.7CVE-2021-26350amdepyc_7232p_firmware+44
EPSS score
0.14%
A TOCTOU race condition in SMU may allow for the caller to obtain and manipulate the address of a message port register which may result in a potential denial of service.
5.5CVE-2021-26373amdathlon™ series+89
EPSS score
0.22%
Insufficient bound checks in the System Management Unit (SMU) may result in a system voltage malfunction that could result in denial of resources and/or possibly denial of service.
5.5CVE-2021-26348amdepyc_72f3_firmware+23
EPSS score
0.22%
Failure to flush the Translation Lookaside Buffer (TLB) of the I/O memory management unit (IOMMU) may lead an IO device to write to memory it should not be able to access, resulting in a potential loss of integrity.
5.5CVE-2021-26375amdathlon™ series+85
EPSS score
0.22%
Insufficient General Purpose IO (GPIO) bounds check in System Management Unit (SMU) may result in access/updates from/to invalid address space that could result in denial of service.
7.1CVE-2021-26332amd3rd gen amd epyc™+23
EPSS score
0.23%
Failure to verify SEV-ES TMR is not in MMIO space, SEV-ES FW could result in a potential loss of integrity or availability.
5.5CVE-2021-26371amd1st gen amd epyc™ processors+140
EPSS score
0.19%
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.
4.7CVE-2021-26347amdepyc_7002_firmware+49
EPSS score
0.20%
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 denial of service.
5.5CVE-2021-26404amd3rd gen epyc+23
EPSS score
0.19%
Improper input validation and bounds checking in SEV firmware may leak scratch buffer bytes leading to potential information disclosure.
5.5CVE-2021-26372amdathlon™ series+46
EPSS score
0.22%
Insufficient bound checks related to PCIE in the System Management Unit (SMU) may result in access to an invalid address space that could result in denial of service.
5.5CVE-2021-26355amd3rd gen epyc+24
EPSS score
0.18%
Insufficient fencing and checks in System Management Unit (SMU) may result in access to invalid message port registers that could result in a potential denial-of-service.
7.1CVE-2021-26402amd2nd gen epyc+51
EPSS score
0.18%
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 availability.
6.8CVE-2021-46775amd2nd gen amd epyc™+49
EPSS score
0.32%
Improper input validation in ABL may enable an attacker with physical access, to perform arbitrary memory overwrites, potentially leading to a loss of integrity and code execution.
9.1CVE-2021-46756amd1st gen amd epyc™ processors+80
EPSS score
0.65%
Insufficient validation of inputs in SVC_MAP_USER_STACK in the ASP (AMD Secure Processor) bootloader may allow an attacker with a malicious Uapp or ABL to send malformed or invalid syscall to the bootloader resulting in a potential denial of service and loss of integrity.
7.8CVE-2021-46771amd3rd gen amd epyc™+23
EPSS score
0.30%
Insufficient validation of addresses in AMD Secure Processor (ASP) firmware system call may potentially lead to arbitrary code execution by a compromised user application.
7.5CVE-2021-46763amd2nd gen amd epyc™+49
EPSS score
0.49%
Insufficient input validation in the SMU may enable a privileged attacker to write beyond the intended bounds of a shared memory buffer potentially leading to a loss of integrity.
7.5CVE-2021-46774amd1st gen amd epyc™ processors+149
EPSS score
0.51%
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 denial-of-service.
9.1CVE-2021-46762amd2nd gen amd epyc™+51
EPSS score
0.35%
Insufficient input validation in the SMU may allow an attacker to corrupt SMU SRAM potentially leading to a loss of integrity or denial of service.
5.6CVE-2021-46778amdamd processors+179
EPSS score
0.23%
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 information.
8.8CVE-2021-46769amd2nd gen amd epyc™+49
EPSS score
0.78%
Insufficient syscall input validation in the ASP Bootloader may allow a privileged attacker to execute arbitrary DMA copies, which can lead to code execution.