NVIDIA MB2 Access Control Vulnerability

Nvidia NVIDIA MB2 is a component of Nvidia Corporation, USA. NVIDIA MB2 suffers from an Access Control Error vulnerability that stems from the boot loader containing a vulnerability in NVIDIA MB2, where a potential heap overflow could lead to heap metadata corruption. An attacker could use this...

NVIDIA MB2 Buffer Error Vulnerability

Nvidia NVIDIA MB2 is a component of Nvidia Corporation, USA. NVIDIA MB2 suffers from a buffer error vulnerability that stems from the boot loader containing a vulnerability in NVIDIA MB2, where a potential heap overflow could result in heap metadata corruption. An attacker could exploit the...

Nvidia NVIDIA MB2 Buffer Error Vulnerability

Nvidia NVIDIA MB2 is a component of Nvidia Corporation, USA. NVIDIA MB2 suffers from a buffer error vulnerability that stems from the boot loader containing a vulnerability in NVIDIA MB2, where a potential heap overflow could result in heap metadata corruption. An attacker could exploit the...

RHEL 8 : shim (RHSA-2021:1734)

The remote Redhat Enterprise Linux 8 host has packages installed that are affected by multiple vulnerabilities as referenced in the RHSA-2021:1734 advisory. The shim package contains a first-stage UEFI boot loader that handles chaining to a trusted full boot loader under secure boot environments...

Moderate: Red Hat Security Advisory: shim security update

An update for shim, shim-unsigned-aarch64, and shim-unsigned-x64 is now available for Red Hat Enterprise Linux 8. Red Hat Product Security has rated this update as having a security impact of Moderate. A Common Vulnerability Scoring System CVSS base score, which gives a detailed severity rating, ...

grub2: Stack buffer overflow in grub_parser_split_cmdline()

A flaw was found in grub2. Variable names present are expanded in the supplied command line into their corresponding variable contents, using a 1kB stack buffer for temporary storage, without sufficient bounds checking. If the function is called with a command line that references a variable with...

RLSA-2021:1734 Moderate: 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: grub2: acpi command allows privileged user to load crafted ACPI tables when Secure Boot is enabled CVE-2020-14372 grub2: Use-after-free in...

shim security update

An update is available for shim-unsigned-aarch64. This update affects Rocky Linux 8. A Common Vulnerability Scoring System CVSS base score, which gives a detailed severity rating, is available for each vulnerability from the CVE list The shim package contains a first-stage UEFI boot loader that...

Moderate: 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: grub2: acpi command allows privileged user to load crafted ACPI tables when Secure Boot is enabled CVE-2020-14372 grub2: Use-after-free in...

CVE-2020-11284

CVE-2020-11284 describes a memory-protection issue in Qualcomm Snapdragon SoCs where a non-secure bootloader can unlock and modify previously locked memory through an improper system call sequence, making a memory region an untrusted input source for the secure boot loader. Affected platforms inc...

CVE-2020-11284: Improper Locking

Locked memory can be unlocked and modified by non secure boot loader through improper system call sequence making the memory region untrusted source of input for secure boot loader in Snapdragon Auto, Snapdragon Compute, Snapdragon Industrial IOT, Snapdragon Mobile, Snapdragon Wired Infrastructur...

PT-2021-9292

Name of the Vulnerable Software and Affected Versions Qualcomm Snapdragon affected versions not specified Description The issue concerns an improper system call sequence that allows a non-secure boot loader to unlock and modify locked memory. This makes the memory region an untrusted source of...

Insecure Usage Of Boot Loader Addresses

Das U-Boot has an insecure usage of addresses in boot loader. The boot loader in Das U-Boot mishandles the use of unit addresses in a FIT...

Arbitrary Code Execution

u-boot is vulnerable to arbitrary ry code execution. The boot loader in Das U-Boot mishandles a modified FIT and allows an attacker to execute arbitrary code on the host OS...

Unspecified Vulnerability in Das U-Boot (CNVD-2021-18392)

Das U-Boot is a boot loader program mainly for embedded systems. The program supports many different computer system architectures such as PPC, ARM, AVR32, MIPS, x86, 68k, Nios and MicroBlaze. A security vulnerability exists in versions prior to Das U-Boot 2021.04-rc2 that stems from the bootload...

Unspecified Vulnerability in Das U-Boot (CNVD-2021-18393)

Das U-Boot is a boot loader program mainly for embedded systems. The program supports many different computer system architectures such as PPC, ARM, AVR32, MIPS, x86, 68k, Nios and MicroBlaze. A security vulnerability exists in versions prior to Das U-Boot 2021.04-rc2, which stems from the loader...

Cisco IOS XR Software for Cisco 8000 and NCS 540 Routers Image Verification Vulnerabilities (cisco-sa-ioxr-l-zNhcGCBt)

According to its self-reported version, the Cisco IOS XR Software is affected by multiple vulnerabilities that allow an authenticated, local attacker to execute unsigned code during the boot process, as follows: - A vulnerability in the GRUB boot loader of Cisco NCS 540 Series Routers, only when...

Grub2 buffer error vulnerability

grub2 is a Linux system boot program from the GNU community. A buffer overflow vulnerability exists in grub2 versions prior to 2.06, which stems from a heap out-of-bounds write vulnerability discovered in shortened form. No details of the vulnerability are provided at this time...

Moderate: Red Hat Security Advisory: grub2 security update

An update for grub2 is now available for Red Hat Enterprise Linux 7.2 Advanced Update Support. Red Hat Product Security has rated this update as having a security impact of Moderate. A Common Vulnerability Scoring System CVSS base score, which gives a detailed severity rating, is available for ea...

grub2: acpi command allows privileged user to load crafted ACPI tables when Secure Boot is enabled

A flaw was found in GRUB 2, where it incorrectly enables the usage of the ACPI command when Secure Boot is enabled. This flaw allows an attacker with privileged access to craft a Secondary System Description Table SSDT containing code to overwrite the Linux kernel lockdown variable content direct...