OESA-2023-1838 shim security update

Initial UEFI bootloader that handles chaining to a trusted full \ bootloader under secure boot environments. Security Fixes: A vulnerability classified as critical has been found in rhboot shim up to 15.7 on ARM. This affects the function mirroroneesl of the file mok.c of the component mok...

edk2: Function GetEfiGlobalVariable2() return value not checked in DxeImageVerificationHandler()

REJECTED CVE A secure boot bypass vulnerability was found in EDK2 due to the lack of proper return value checks in the GetEfiGlobalVariable2 function. The API may fail if functions like AllocatePool or gRT-GetVariable fail. Without verifying the return value, an attacker could cause the API to...

CVE-2023-4949

An attacker with local access to a system either through a disk or external drive can present a modified XFS partition to grub-legacy in such a way to exploit a memory corruption in grub’s XFS file system implementation...

Lenovo Desktops Security Breach

Lenovo Desktops are desktop computers from the Chinese company Lenovo. A security vulnerability exists in Lenovo Desktop that originates from a buffer over-read in the LemSecureBootForceKey module...

edk2: Function GetEfiGlobalVariable2() return value not checked in DxeImageVerificationHandler()

REJECTED CVE A secure boot bypass vulnerability was found in EDK2 due to the lack of proper return value checks in the GetEfiGlobalVariable2 function. The API may fail if functions like AllocatePool or gRT-GetVariable fail. Without verifying the return value, an attacker could cause the API to...

Rocky Linux 8 : shim (RLSA-2021:1734)

The remote Rocky Linux 8 host has a package installed that is affected by multiple vulnerabilities as referenced in the RLSA-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...

Rocky Linux 8 : fwupd (RLSA-2021:2566)

The remote Rocky Linux 8 host has packages installed that are affected by multiple vulnerabilities as referenced in the RLSA-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...

Amazon Linux 2023 : grub2-common, grub2-efi-aa64, grub2-efi-aa64-cdboot (ALAS2023-2023-409)

It is, therefore, affected by multiple vulnerabilities as referenced in the ALAS2023-2023-409 advisory. An out-of-bounds write flaw was found in grub2's NTFS filesystem driver. This issue may allow an attacker to present a specially crafted NTFS filesystem image, leading to grub's heap metadata...

Amazon Linux 2023 : grub2-common, grub2-efi-aa64, grub2-efi-aa64-cdboot (ALAS2023-2023-408)

It is, therefore, affected by a vulnerability as referenced in the ALAS2023-2023-408 advisory. Note that Nessus has not tested for this issue but has instead relied only on the application's self-reported version number. %NASLMINLEVEL 80900 C Tenable, Inc. The descriptive text and package checks ...

PT-2023-26864 · Insyde · Insydeh2O

Name of the Vulnerable Software and Affected Versions: InsydeH2O versions 5.0 through 5.5 Description: A stack buffer overflow vulnerability discovered in AsfSecureBootDxe allows attackers to run arbitrary code execution during the DXE phase. Recommendations: For versions 5.0 through 5.5, conside...

SUSE CVE-2015-5281

The grub2 package before 2.02-0.29 in Red Hat Enterprise Linux RHEL 7, when used on UEFI systems, allows local users to bypass intended Secure Boot restrictions and execute non-verified code via a crafted 1 multiboot or 2 multiboot2 module in the configuration file or physically proximate attacke...

CVE-2022-4575

A vulnerability due to improper write protection of UEFI variables was reported in the BIOS of some ThinkPad models could allow an attacker with physical or local access and elevated privileges the ability to bypass Secure Boot...

CVE-2022-4575

A vulnerability due to improper write protection of UEFI variables was reported in the BIOS of some ThinkPad models could allow an attacker with physical or local access and elevated privileges the ability to bypass Secure Boot...

Design/Logic Flaw

A vulnerability due to improper write protection of UEFI variables was reported in the BIOS of some ThinkPad models could allow an attacker with physical or local access and elevated privileges the ability to bypass Secure Boot...

CVE-2022-4575

A vulnerability due to improper write protection of UEFI variables was reported in the BIOS of some ThinkPad models could allow an attacker with physical or local access and elevated privileges the ability to bypass Secure Boot...

CVE-2022-4575

CVE-2022-4575 describes a vulnerability in Lenovo ThinkPad BIOS where improper write protection of UEFI variables could allow an attacker with physical or local access and elevated privileges to bypass Secure Boot. Affected component is the BIOS/UEFI in ThinkPad systems; root cause is inadequate ...

PT-2023-14742 · Lenovo · Thinkpad

Name of the Vulnerable Software and Affected Versions: ThinkPad affected versions not specified Description: A vulnerability due to improper write protection of UEFI variables was reported in the BIOS of some ThinkPad models. This could allow an attacker with physical or local access and elevated...

Lenovo ThinkPad Security Breach

Lenovo ThinkPad is a portable computer from Lenovo, a Chinese company. A security vulnerability exists in the Lenovo ThinkPad that stems from improper write protection of UEFI variables, which could allow an attacker with physical or local access and elevated privileges to bypass secure boot...

Oracle Linux 7 : grub2 (ELSA-2023-12952)

The remote Oracle Linux 7 host has packages installed that are affected by multiple vulnerabilities as referenced in the ELSA-2023-12952 advisory. - Add CVE-2022-28736 to the list JIRA: OLDIS-16371 - Fix: CVE-2021-3695, CVE-2021-3696, CVE-2021-3697, CVE-2022-28733, CVE-2022-28734, CVE-2022-28735...

AZL-31686 CVE-2023-4692 affecting package grub2 for versions less than 2.06-13

An out-of-bounds write flaw was found in grub2's NTFS filesystem driver. This issue may allow an attacker to present a specially crafted NTFS filesystem image, leading to grub's heap metadata corruption. In some circumstances, the attack may also corrupt the UEFI firmware heap metadata. As a...