shim

shim，第一阶段的 UEFI 引导加载程序 shim 是一个简单的 EFI 应用程序，运行时它会尝试打开并执行另一个应用程序。它最初会尝试通过标准的 EFI LoadImage 和 StartImage 调用来完成此操作。如果这些调用失败（例如，因为启用了安全启动且二进制文件未使用相应的密钥签名），它将根据内置证书验证该二进制文件。如果验证成功并且该二进制文件或签名密钥未被禁止，shim 将重定位并执行该二进制文件。 协议 shim 锁定协议 shim 还会安装一个协议，允许第二阶段的引导加载程序执行类似的二进制验证。该协议具有 shim.h 头文件中描述的...

Astra Linux – Vulnerability found in Linux 6.1, Linux 5.15

In the Linux kernel, the following vulnerability has been resolved: arm64: hibernate: Fixed the level3 translation fault in swsuspsave On arm64 machines, swsuspsave fails if it attempts to access MEMBLOCKNOMAP memory ranges. This issue can be reproduced in QEMU using UEFI when booting with...

EUVD-2020-26560

Malware in sbrugna...

EUVD-2023-43648

Malicious code in bioql PyPI...

EUVD-2022-39054

Malicious code in bioql PyPI...

CVE-2022-36338

An issue was discovered in Insyde InsydeH2O with kernel 5.0 through 5.5. An SMM callout vulnerability in the SMM driver FwBlockServiceSmm, creating SMM, leads to arbitrary code execution. An attacker can replace the pointer to the UEFI boot service GetVariable with a pointer to malware, and then...

Enable IMA Measurement

Integrity Measurement Architecture IMA is an integrity protection function of the kernel. When IMA is enabled, integrity measurement is provided for important system files based on user-defined policies. The measurement results can be used for local and remote integrity attestation. If IMA is...

PVS Boot Device Management creation of UEFI BDM disks.

PVS Boot Device Management wizard creation of UEFI BDM disks. In PVS 2402 and newer, the BDM wizard only shows options related to UEFI BDM creation, as BIOS has been deprecated, and BIOS management interfaces have been removed. This means BDM wizard will look for a locally attached drive with...

Important: Red Hat Security Advisory: shim security update

An update for shim is now available for Red Hat Enterprise Linux 8.6 Extended Update Support. Red Hat Product Security has rated this update as having a security impact of Important. A Common Vulnerability Scoring System CVSS base score, which gives a detailed severity rating, is available for ea...

Important: Red Hat Security Advisory: shim security update

An update for shim is now available for Red Hat Enterprise Linux 7. Red Hat Product Security has rated this update as having a security impact of Important. A Common Vulnerability Scoring System CVSS base score, which gives a detailed severity rating, is available for each vulnerability from the...

Important: Red Hat Security Advisory: shim security update

An update for shim is now available for Red Hat Enterprise Linux 8. Red Hat Product Security has rated this update as having a security impact of Important. A Common Vulnerability Scoring System CVSS base score, which gives a detailed severity rating, is available for each vulnerability from the...

Important: Red Hat Security Advisory: shim bug fix update

An update for shim is now available for Red Hat Enterprise Linux 9.2 Extended Update Support. Red Hat Product Security has rated this update as having a security impact of Important. A Common Vulnerability Scoring System CVSS base score, which gives a detailed severity rating, is available for ea...

Important: Red Hat Security Advisory: shim security update

An update for shim is now available for Red Hat Enterprise Linux 8.4 Advanced Mission Critical Update Support, E4S Red Hat Enterprise Linux 8.4 Update Services for SAP Solutions, and Red Hat Enterprise Linux 8.4 Telecommunications Update Service. Red Hat Product Security has rated this update as...

Important: shim bug fix update

The shim package contains a first-stage UEFI boot loader that handles chaining to a trusted full boot loader under secure boot environments. Security Fixes: shim: RCE in http boot support may lead to Secure Boot bypass CVE-2023-40547 shim: Interger overflow leads to heap buffer overflow in...

ALSA-2024:1902 Important: shim security update

The shim package contains a first-stage UEFI boot loader that handles chaining to a trusted full boot loader under secure boot environments. Security Fixes: shim: RCE in http boot support may lead to Secure Boot bypass CVE-2023-40547 shim: Interger overflow leads to heap buffer overflow in...

Important: shim security update

The shim package contains a first-stage UEFI boot loader that handles chaining to a trusted full boot loader under secure boot environments. Security Fixes: shim: RCE in http boot support may lead to Secure Boot bypass CVE-2023-40547 shim: Interger overflow leads to heap buffer overflow in...

Important: Red Hat Security Advisory: shim security update

An update for shim is now available for Red Hat Enterprise Linux 9.0 Extended Update Support. Red Hat Product Security has rated this update as having a security impact of Important. A Common Vulnerability Scoring System CVSS base score, which gives a detailed severity rating, is available for ea...

Important: Red Hat Security Advisory: shim security update

An update for shim is now available for Red Hat Enterprise Linux 8.2 Advanced Update Support, Red Hat Enterprise Linux 8.2 Update Services for SAP Solutions, and Red Hat Enterprise Linux 8.2 Telecommunications Update Service. Red Hat Product Security has rated this update as having a security...

PT-2024-2762

Name of the Vulnerable Software and Affected Versions Shim versions for 32-bit systems Description The issue is related to a buffer overflow in the UEFI boot loader shim for 32-bit systems. This overflow occurs due to an addition operation involving a user-controlled value parsed from the PE bina...

Siemens InsydeH2O Arbitrary Code Execution (CVE-2022-36338)

An issue was discovered in Insyde InsydeH2O with kernel 5.0 through 5.5. An SMM callout vulnerability in the SMM driver FwBlockServiceSmm, creating SMM, leads to arbitrary code execution. An attacker can replace the pointer to the UEFI boot service GetVariable with a pointer to malware, and then...