xen/arm: Boot modules are not scrubbed

ISSUE DESCRIPTION The bootloader will load boot modules e.g. kernel, initramfs... in a temporary area before they are copied by Xen to each domain memory. To ensure sensitive data is not leaked from the modules, Xen must "scrub" them before handing the page over to the allocator. Unfortunately, i...

PT-2024-11236 · Linux +2 · Linux Kernel +2

Name of the Vulnerable Software and Affected Versions: Linux kernel versions prior to 5.10.45/5.12.12 Description: The issue arises when memory marked as EFI boot services data is not properly mapped as encrypted under SEV, potentially leading to a kernel crash at boot. This occurs because some...

Cambridge Xen 信息泄露漏洞

Xen is an open source virtual machine monitor product from the University of Cambridge, UK. The product enables different and incompatible operating systems to run on the same computer and supports runtime migration to ensure uptime and avoid downtime. An information disclosure vulnerability exis...

Huawei EulerOS: Security Advisory for grub2 (EulerOS-SA-2021-1927)

The remote host is missing an update for the Huawei EulerOS SPDX-FileCopyrightText: 2021 Greenbone AG Some text descriptions might be excerpted from a referenced sources, and are Copyright C by the respective right holders. SPDX-License-Identifier: GPL-2.0-only ifdescription...

EulerOS 2.0 SP9 : grub2 (EulerOS-SA-2021-1948)

According to the versions of the grub2 packages installed, the EulerOS installation on the remote host is affected by the following vulnerabilities : - A flaw was found in grub2 in versions prior to 2.06. The cutmem command does not honor secure boot locking allowing an privileged attacker to...

CVE-2021-20487

IBM Power9 Self Boot EngineSBE could allow a privileged user to inject malicious code and compromise the integrity of the host firmware bypassing the host firmware signature verification process...

IBM Power9 Self Boot Engine (SBE) Data Forgery Issue Vulnerability

The IBM Power9 Self Boot Engine is a chip from the American company IBM. A security vulnerability exists in the IBM Power9 Self Boot Engine SBE that could allow a user with appropriate privileges to inject malicious code and compromise the integrity of the host firmware through the host firmware...

Security Bulletin: This Power System update is being released to address CVE-2021-20487

Summary Power9: A new Power Systems firmware update is being released to address Common Vulnerabilities and Exposures issue number CVE-2021-20487. The Self Boot EngineSBE can be compromised from the service processor to allow injection of malicious code. An attacker that gains root access to the...

IBM Power9 Self Boot Engine(SBE) 数据伪造问题漏洞

The IBM Power9 Self Boot Engine is a chip from the American company IBM. A security vulnerability exists in the IBM Power9 Self Boot Engine SBE that could allow a user with appropriate privileges to inject malicious code and compromise the integrity of the host firmware through the host firmware...

CVE-2020-27211

Nordic Semiconductor nRF52840 devices through 2020-10-19 have improper protection against physical side channels. The flash read-out protection APPROTECT can be bypassed by injecting a fault during the boot phase...

CVE-2020-27211

Nordic Semiconductor nRF52840 devices through 2020-10-19 have improper protection against physical side channels. The flash read-out protection APPROTECT can be bypassed by injecting a fault during the boot phase...

CVE-2020-27212

STMicroelectronics STM32L4 devices through 2020-10-19 have incorrect access control. The flash read-out protection RDP can be degraded from RDP level 2 no access via debug interface to level 1 limited access via debug interface by injecting a fault during the boot phase...

CVE-2020-27212

STMicroelectronics STM32L4 devices through 2020-10-19 have incorrect access control. The flash read-out protection RDP can be degraded from RDP level 2 no access via debug interface to level 1 limited access via debug interface by injecting a fault during the boot phase...

STMicroelectronics STM32L4 注入漏洞

The STMicroelectronics STM32L4 is a series of ultra-low power microcontrollers from STMicroelectronics, an Italian and French company. The STMicroelectronics STM32L4 suffers from an access control error vulnerability that stems from the fact that flash readout protection can be degraded from RDP...

PT-2021-11316 · Stmicroelectronics · Stm32L4

Name of the Vulnerable Software and Affected Versions: STMicroelectronics STM32L4 devices through 2020-10-19 Description: The issue concerns incorrect access control in the affected devices. Specifically, the flash read-out protection RDP can be degraded from RDP level 2, which allows no access v...

Huawei EulerOS: Security Advisory for grub2 (EulerOS-SA-2021-1900)

The remote host is missing an update for the Huawei EulerOS SPDX-FileCopyrightText: 2021 Greenbone AG Some text descriptions might be excerpted from a referenced sources, and are Copyright C by the respective right holders. SPDX-License-Identifier: GPL-2.0-only ifdescription...

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...

grub2: Out-of-bounds write in grub_usb_device_initialize()

A flaw was found in grub2. During USB device initialization, descriptors are read with very little bounds checking and assumes the USB device is providing sane values. If properly exploited, an attacker could trigger memory corruption leading to arbitrary code execution allowing a bypass of the...

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...

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, ...