Amd Epyc 7742 vulnerabilities, page 2

75 vulnerabilities

Known vulnerabilities in Amd Epyc 7742, newest first, with CVSS severity, EPSS, KEV listings, ransomware use and the affected versions.

4.7MediumCVE-2021-26350amd · epyc_7232p_firmware +44 moreamd epyc_7232p_firmwareA 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.EPSS0.14%5.5MediumCVE-2021-26321amd · 1st gen amd epyc™ +59 moreamd 1st gen amd epyc™Insufficient ID command validation in the SEV Firmware may allow a local authenticated attacker to perform a denial of service of the PSP.EPSS0.25%5.5MediumCVE-2021-26373amd · athlon™ series +89 moreamd athlon™ seriesInsufficient 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.EPSS0.22%7.8HighCVE-2021-26338amd · 2nd gen amd epyc™ +45 moreamd 2nd gen amd epyc™Improper access controls in System Management Unit (SMU) may allow for an attacker to override performance control tables located in DRAM resulting in a potential lack of system resources.EPSS0.93%5.5MediumCVE-2021-26312amd · athlon™ series +59 moreamd athlon™ seriesFailure 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.EPSS0.25%5.5MediumCVE-2021-26330amd · 1st gen amd epyc™ +60 moreamd 1st gen amd epyc™AMD System Management Unit (SMU) may experience a heap-based overflow which may result in a loss of resources.EPSS0.22%5.5MediumCVE-2021-26375amd · athlon™ series +85 moreamd athlon™ seriesInsufficient 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.EPSS0.22%6.5MediumCVE-2021-26341amd · a10-9600p_firmware +125 moreamd a10-9600p_firmwareSome AMD CPUs may transiently execute beyond unconditional direct branches, which may potentially result in data leakage.EPSS0.32%7.5HighCVE-2021-26322amd · 1st gen amd epyc™ +59 moreamd 1st gen amd epyc™Persistent platform private key may not be protected with a random IV leading to a potential “two time pad attack”.EPSS1.05%5.5MediumCVE-2021-26371amd · 1st gen amd epyc™ processors +140 moreamd 1st gen amd epyc™ processorsA 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.EPSS0.19%5.6MediumCVE-2021-26401amd · a10-9600p_firmware +216 moreamd a10-9600p_firmwareLFENCE/JMP (mitigation V2-2) may not sufficiently mitigate CVE-2017-5715 on some AMD CPUs.EPSS0.29%8.4HighCVE-2021-26340amd · amd epyc™ +105 moreamd amd epyc™A malicious hypervisor in conjunction with an unprivileged attacker process inside an SEV/SEV-ES guest VM may fail to flush the Translation Lookaside Buffer (TLB) resulting in unexpected behavior inside the virtual machine (VM).EPSS0.25%5.5MediumCVE-2021-26320amd · 1st gen amd epyc™ +59 moreamd 1st gen amd epyc™Insufficient validation of the AMD SEV Signing Key (ASK) in the SEND_START command in the SEV Firmware may allow a local authenticated attacker to perform a denial of service of the PSPEPSS0.19%4.7MediumCVE-2021-26347amd · epyc_7002_firmware +49 moreamd epyc_7002_firmwareFailure 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.EPSS0.20%5.5MediumCVE-2021-26372amd · athlon™ series +46 moreamd athlon™ seriesInsufficient 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.EPSS0.22%7.1HighCVE-2021-26402amd · 2nd gen epyc +51 moreamd 2nd gen epycInsufficient 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.EPSS0.18%5.5MediumCVE-2021-26329amd · 1st gen amd epyc™ +59 moreamd 1st gen amd epyc™AMD System Management Unit (SMU) may experience an integer overflow when an invalid length is provided which may result in a potential loss of resources.EPSS0.22%6.5MediumCVE-2021-46744amd · amd processors +99 moreamd amd processorsAn 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 time.EPSS0.33%6.8MediumCVE-2021-46775amd · 2nd gen amd epyc™ +49 moreamd 2nd gen amd epyc™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.EPSS0.32%9.1CriticalCVE-2021-46756amd · 1st gen amd epyc™ processors +80 moreamd 1st gen amd epyc™ processorsInsufficient 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.EPSS0.65%