April 21, 2022 Servicing stack update (KB5012676)

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ChgBootDxeHook Driver Execution

The vulnerability of the ChgBootDxeHook driver in Lenovo notebook BIOS microprogramming software relates to the possibility of modifying security boot settings by editing the NVRAM variable. Exploiting this vulnerability allows a hacker to execute malicious drivers and applications during the boo...

New Lenovo UEFI Firmware Vulnerabilities Affect Millions of Laptops

Three high-impact Unified Extensible Firmware Interface UEFI security vulnerabilities have been discovered impacting various Lenovo consumer laptop models, enabling malicious actors to deploy and execute firmware implants on the affected devices. Tracked as CVE-2021-3970, CVE-2021-3971, and...

Lenovo Notebook 安全漏洞

Lenovo Notebook is a laptop computer from Lenovo, a Chinese company. A security vulnerability exists in Lenovo Notebook that originates from the use of an incorrect driver that is incorrectly not deactivated. A local privileged user can modify the secure boot settings and bypass the implemented...

PT-2022-2320

Name of the Vulnerable Software and Affected Versions Lenovo Notebook devices affected versions not specified Description A potential issue with a driver used in the manufacturing process of some Lenovo Notebook devices' BIOS may allow an attacker with elevated privileges to modify secure boot...

Stolen Nvidia certificates used to sign malware—here’s what to do

As we wrote on March 3, 2022 Nvidia, was recently attacked by the LAPSUS$ ransomware group. The ensuing data leak included two of NVIDIA’s code signing certificates. Those certificates are now being used to sign malware. Leaked signing certificates from major vendors like Nvidia come with huge...

EulerOS 2.0 SP9 : kernel (EulerOS-SA-2022-1292)

According to the versions of the kernel packages installed, the EulerOS installation on the remote host is affected by the following vulnerabilities : - The Linux kernel through 5.8.13 does not properly enforce the Secure Boot Forbidden Signature Database aka dbx protection mechanism. This affect...

CVE-2021-39672

In fastboot, there is a possible secure boot bypass due to a configuration error. This could lead to local escalation of privilege with no additional execution privileges needed. User interaction is not needed for exploitation. Product: Android Versions: Android SoC Android ID: A-202018701...

CVE-2021-39672

In fastboot, there is a possible secure boot bypass due to a configuration error. This could lead to local escalation of privilege with no additional execution privileges needed. User interaction is not needed for exploitation. Product: Android Versions: Android SoC Android ID: A-202018701...

Design/Logic Flaw

In fastboot, there is a possible secure boot bypass due to a configuration error. This could lead to local escalation of privilege with no additional execution privileges needed. User interaction is not needed for exploitation. Product: Android Versions: Android SoC Android ID: A-202018701...

CVE-2021-39672

CVE-2021-39672 describes a secure boot bypass in the Fastboot component due to a configuration error, enabling local elevation of privilege with no user interaction. The issue is documented in Android/AOSP risk tables and is listed under Amlogic components in the 2022 February security bulletin. ...

CVE-2021-39672

In fastboot, there is a possible secure boot bypass due to a configuration error. This could lead to local escalation of privilege with no additional execution privileges needed. User interaction is not needed for exploitation. Product: Android Versions: Android SoC Android ID: A-202018701...

PT-2022-10958

Name of the Vulnerable Software and Affected Versions Android versions prior to the fixed version Description In fastboot, there is a possible secure boot bypass due to a configuration error. This could lead to local escalation of privilege with no additional execution privileges needed. User...

CVE-2021-39672: Undefined Security Weakness

In fastboot, there is a possible secure boot bypass due to a configuration error. This could lead to local escalation of privilege with no additional execution privileges needed. User interaction is not needed for exploitation. Product: Android Versions: Android SoC Android ID: A-202018701...

PT-2022-12245 · Xilinx · Xilinx Zynq-7000 Soc

Name of the Vulnerable Software and Affected Versions: Xilinx Zynq-7000 SoC devices affected versions not specified Description: The issue concerns a buffer overflow attack in the ROM of Xilinx Zynq-7000 SoC devices. This attack is possible due to the physical modification of an SD boot image,...

AlmaLinux 8 : kernel (ALSA-2021:2570)

The remote AlmaLinux 8 host has packages installed that are affected by multiple vulnerabilities as referenced in the ALSA-2021:2570 advisory. - The Linux kernel through 5.8.13 does not properly enforce the Secure Boot Forbidden Signature Database aka dbx protection mechanism. This affects...

AlmaLinux 8 : shim (ALSA-2021:1734)

The remote AlmaLinux 8 host has packages installed that are affected by multiple vulnerabilities as referenced in the ALSA-2021:1734 advisory. - A flaw was found in grub2 in versions prior to 2.06, where it incorrectly enables the usage of the ACPI command when Secure Boot is enabled. This flaw...

AlmaLinux 8 : grub2 (ALSA-2021:0696)

The remote AlmaLinux 8 host has packages installed that are affected by multiple vulnerabilities as referenced in the ALSA-2021:0696 advisory. - A flaw was found in grub2 in versions prior to 2.06, where it incorrectly enables the usage of the ACPI command when Secure Boot is enabled. This flaw...

AlmaLinux 8 : fwupd (ALSA-2021:2566)

The remote AlmaLinux 8 host has a package installed that is affected by multiple vulnerabilities as referenced in the ALSA-2021:2566 advisory. - A flaw was found in grub2 in versions prior to 2.06, where it incorrectly enables the usage of the ACPI command when Secure Boot is enabled. This flaw...

ASB-A-202018701

In fastboot, there is a possible secure boot bypass due to a configuration error. This could lead to local escalation of privilege with no additional execution privileges needed. User interaction is not needed for exploitation...