Memory corruption

An issue SMM memory leak vulnerability in SMM driver SMRAM was discovered in Insyde InsydeH2O with kernel 5.0 through 5.5. An attacker can dump SMRAM contents via the software SMI provided by the FvbServicesRuntimeDxe driver to read the contents of SMRAM, leading to information disclosure...

Insyde InsydeH2O 安全漏洞

Insyde InsydeH2O is a C-language source from Insyde Corporation of Taiwan, which implements the new technology "EFI/UEFI" specification designed to replace the traditional BIOS Basic Input/Output System. A security vulnerability in Insyde InsydeH2O versions 5.0 to 5.5, which stems from a problem...

PT-2022-22809 · Insyde · Insydeh2O

Name of the Vulnerable Software and Affected Versions: Insyde InsydeH2O versions 5.0 through 5.5 Description: An issue was discovered in Insyde InsydeH2O, where an SMM callout vulnerability in the SMM driver in UsbLegacyControlSmm leads to possible arbitrary code execution in SMM and escalation o...

CVE-2022-35896

An issue SMM memory leak vulnerability in SMM driver SMRAM was discovered in Insyde InsydeH2O with kernel 5.0 through 5.5. An attacker can dump SMRAM contents via the software SMI provided by the FvbServicesRuntimeDxe driver to read the contents of SMRAM, leading to information disclosure...

CVE-2022-35896

The CVE-2022-35896 issue affects InsydeH2O BIOS (InsydeH2O) affecting SMM memory handling via the FvbServicesRuntimeDxe driver. The root cause is a memory leak/read path in the SMM driver that could allow an attacker with local access to dump SMRAM contents, leading to information disclosure. Aff...

CVE-2022-40261

An attacker can exploit this vulnerability to elevate privileges from ring 0 to ring -2, execute arbitrary code in System Management Mode - an environment more privileged than operating system OS and completely isolated from it. Running arbitrary code in SMM additionally bypasses SMM-based SPI...

CVE-2022-40261 SMM memory corruption vulnerability in OverClockSmiHandler SMM driver

An attacker can exploit this vulnerability to elevate privileges from ring 0 to ring -2, execute arbitrary code in System Management Mode - an environment more privileged than operating system OS and completely isolated from it. Running arbitrary code in SMM additionally bypasses SMM-based SPI...

CVE-2022-40250

CVE-2022-40250 affects AMI Aptio 5.x via a stack overflow in the SMI handler of SmmSmbiosElog. The vulnerability allows local privilege escalation to System Management Mode (SMM), enabling arbitrary code execution in a highly privileged context, bypassing SMM SPI flash protections and potentially...

PT-2022-25236 · Lenovo · Smart Usb Protection Smi Handler

Name of the Vulnerable Software and Affected Versions: Lenovo affected versions not specified Description: An information leak issue in the Smart USB Protection SMI Handler may allow an attacker with local access and elevated privileges to read SMM memory. Recommendations: At the moment, there is...

High-Severity Firmware Security Flaws Left Unpatched in HP Enterprise Devices

A number of firmware security flaws uncovered in HP's business-oriented high-end notebooks continue to be left unpatched in some devices even months after public disclosure. Binarly, which first revealed details of the issues at the Black Hat USA conference in mid-August 2022, said the...

CVE-2022-26861

Dell BIOS firmware contains an Insecure Automated Optimization vulnerability (CVE-2022-26861) that allows a locally authenticated attacker to trigger arbitrary code execution during System Management Mode (SMM) by sending malicious input via SMI. The issue is tied to the BIOS/SMM trust boundary, ...

HP PC BIOS August 2022 Security Updates for Potential SMM and TOCTOU Vulnerabilities

Potential vulnerabilities have been identified in the system BIOS of certain HP PC products, which might allow arbitrary code execution, escalation of privilege, denial of service, and information disclosure. HP is releasing BIOS updates to mitigate these potential vulnerabilities. HP has...

CVE-2022-31600

NVIDIA DGX A100 contains a vulnerability in SBIOS in the SmmCore, where a user with high privileges can chain another vulnerability to this vulnerability, causing an integer overflow, possibly leading to code execution, escalation of privileges, denial of service, compromised integrity, and...

Dell BIOS Input Validation Error Vulnerability (CNVD-2022-85077)

Dell BIOS is embedded software on a small memory chip on a computer motherboard from Dell, U.S.A. An input validation error vulnerability exists in Dell BIOS, which can be exploited by a locally authenticated attacker to bypass security controls in SMM by sending malicious input to SMI...

Dell BIOS Input Validation Error Vulnerability (CNVD-2022-85078)

Dell BIOS is embedded software on a small memory chip on a computer motherboard from Dell, U.S.A. An input validation error vulnerability exists in Dell BIOS, which can be exploited by a locally authenticated attacker to bypass security controls in SMM by sending malicious input to SMI...

Dell BIOS Input Validation Error Vulnerability (CNVD-2022-85076)

Dell BIOS is embedded software on a small memory chip on a computer motherboard from Dell, U.S.A. An input validation error vulnerability exists in Dell BIOS, which can be exploited by a locally authenticated attacker to bypass security controls in SMM by sending malicious input to SMI...

CVE-2022-26862

Prior Dell BIOS versions contain an Input Validation vulnerability. A locally authenticated malicious user could potentially exploit this vulnerability by sending malicious input to an SMI in order to bypass security controls in SMM...

CVE-2022-26863

Prior Dell BIOS versions contain an Input Validation vulnerability. A locally authenticated malicious user could potentially exploit this vulnerability by sending malicious input to an SMI in order to bypass security controls in SMM...

CVE-2022-26864

Prior Dell BIOS versions contain an Input Validation vulnerability. A locally authenticated malicious user could potentially exploit this vulnerability by sending malicious input to an SMI in order to bypass security controls in SMM...

Input validation

Prior Dell BIOS versions contain an Input Validation vulnerability. A locally authenticated malicious user could potentially exploit this vulnerability by sending malicious input to an SMI in order to bypass security controls in SMM...