CVE-2020-14032

ASRock 4x4 BOX-R1000 before BIOS P1.40 allows privilege escalation via code execution in the SMM...

GSD-2021-1001078 KVM: x86: Immediately reset the MMU context when the SMM flag is cleared

KVM: x86: Immediately reset the MMU context when the SMM flag is cleared This is an automated ID intended to aid in discovery of potential security vulnerabilities. The actual impact and attack plausibility have not yet been proven. This ID is fixed in Linux Kernel version v5.12.13 by commit...

UVI-2021-1001078 KVM: x86: Immediately reset the MMU context when the SMM flag is cleared

KVM: x86: Immediately reset the MMU context when the SMM flag is cleared This is an automated ID intended to aid in discovery of potential security vulnerabilities. The actual impact and attack plausibility have not yet been proven. This ID is fixed in Linux Kernel version v5.12.13 by commit...

GSD-2021-1000997 KVM: x86: Immediately reset the MMU context when the SMM flag is cleared

KVM: x86: Immediately reset the MMU context when the SMM flag is cleared This is an automated ID intended to aid in discovery of potential security vulnerabilities. The actual impact and attack plausibility have not yet been proven. This ID is fixed in Linux Kernel version v5.10.46 by commit...

UVI-2021-1000997 KVM: x86: Immediately reset the MMU context when the SMM flag is cleared

KVM: x86: Immediately reset the MMU context when the SMM flag is cleared This is an automated ID intended to aid in discovery of potential security vulnerabilities. The actual impact and attack plausibility have not yet been proven. This ID is fixed in Linux Kernel version v5.10.46 by commit...

GSD-2021-1000931 KVM: x86: Immediately reset the MMU context when the SMM flag is cleared

KVM: x86: Immediately reset the MMU context when the SMM flag is cleared This is an automated ID intended to aid in discovery of potential security vulnerabilities. The actual impact and attack plausibility have not yet been proven. This ID is fixed in Linux Kernel version v5.4.128 by commit...

UVI-2021-1000931 KVM: x86: Immediately reset the MMU context when the SMM flag is cleared

KVM: x86: Immediately reset the MMU context when the SMM flag is cleared This is an automated ID intended to aid in discovery of potential security vulnerabilities. The actual impact and attack plausibility have not yet been proven. This ID is fixed in Linux Kernel version v5.4.128 by commit...

CVE-2020-27339

In the kernel in Insyde InsydeH2O 5.x, certain SMM drivers did not correctly validate the CommBuffer and CommBufferSize parameters, allowing callers to corrupt either the firmware or the OS memory. The fixed versions for this issue in the AhciBusDxe, IdeBusDxe, NvmExpressDxe, SdHostDriverDxe, and...

CVE-2020-27339

In the kernel in Insyde InsydeH2O 5.x, certain SMM drivers did not correctly validate the CommBuffer and CommBufferSize parameters, allowing callers to corrupt either the firmware or the OS memory. The fixed versions for this issue in the AhciBusDxe, IdeBusDxe, NvmExpressDxe, SdHostDriverDxe, and...

Code injection

In the kernel in Insyde InsydeH2O 5.x, certain SMM drivers did not correctly validate the CommBuffer and CommBufferSize parameters, allowing callers to corrupt either the firmware or the OS memory. The fixed versions for this issue in the AhciBusDxe, IdeBusDxe, NvmExpressDxe, SdHostDriverDxe, and...

CVE-2020-27339

CVE-2020-27339 affects InsydeH2O kernel 5.x, where several SMM drivers (AhciBusDxe, IdeBusDxe, NvmExpressDxe, SdHostDriverDxe, SdMmcDeviceDxe) fail to validate the CommBuffer and CommBufferSize, allowing memory corruption of firmware or OS memory. The issue is fixed in kernel 5.1–5.5 with specifi...

Q3 2018 Speculative Execution Side Channel Update

Summary: Security researchers have identified a speculative execution side-channel method called L1 Terminal Fault L1TF. This method impacts select microprocessor products supporting Intel® Software Guard Extensions Intel® SGX. Further investigation by Intel has identified two related application...

Memory corruption

The UX360CA BIOS through 303 on ASUS laptops allow an attacker with the ring 0 privilege to overwrite nearly arbitrary physical memory locations, including SMRAM, and execute arbitrary code in the SMM issue 3 of 3...

CVE-2021-26943

Summary of the CVE-2021-26943 issue : The UX360CA BIOS (ASUS) up to version 303 contains a kernel-to-SMM local privilege escalation. Three vulnerable BIOS modules (UsbRt, SdioSmm, NvmeSmm) allow a ring-0 attacker to overwrite nearly arbitrary physical memory, including SMRAM, and execute arbitrar...

CVE-2021-26943

The UX360CA BIOS through 303 on ASUS laptops allow an attacker with the ring 0 privilege to overwrite nearly arbitrary physical memory locations, including SMRAM, and execute arbitrary code in the SMM issue 3 of 3...

Exploit for CVE-2021-26943

SmmExploit This is a report and an exploit of CVE-2021-26943...

System Management Mode deep dive: How SMM isolation hardens the platform

Ensuring that the platform firmware is healthy and trustworthy is fundamental to guaranteeing that powerful platform security features like Hypervisor-protected code integrity HVCI and Windows Defender Credential Guard are functioning as expected. Windows 10 achieves this by leveraging a...

System Management Mode deep dive: How SMM isolation hardens the platform

Ensuring that the platform firmware is healthy and trustworthy is fundamental to guaranteeing that powerful platform security features like Hypervisor-protected code integrity HVCI and Windows Defender Credential Guard are functioning as expected. Windows 10 achieves this by leveraging a...

CVE-2020-8354

A potential vulnerability in the SMI callback function used in the VariableServiceSmm driver in some Lenovo Notebook models may allow arbitrary code execution...

CVE-2020-5388

Dell Inspiron 15 7579 2-in-1 BIOS versions prior to 1.31.0 contain an Improper SMM communication buffer verification vulnerability. A local authenticated malicious user may potentially exploit this vulnerability by using an SMI to gain arbitrary code execution in SMRAM...