4156 matches found
CVE-2021-3697
A flaw was found in grub2 when handling JPEG images. This flaw allows an attacker to craft a malicious JPEG image, which leads to an underflow on a grub2's internal pointer, leading to a heap-based out-of-bounds write. Secure-boot mechanisms circumvention and arbitrary code execution may also be...
CVE-2021-3695
A flaw was found in grub 2, where a crafted 16-bit grayscale PNG image may lead to an out-of-bounds write. This flaw allows an attacker to corrupt the data on the heap portion of the grub2's memory, leading to possible code execution and the circumvention of the secure boot mechanism...
PT-2023-8570
Name of the Vulnerable Software and Affected Versions GRUB2 affected versions not specified Description The issue is related to the GRUB2's shim lock verifier, which allows non-kernel files to be loaded on shim-powered secure boot systems. This may lead to unverified code and modules being loaded...
Oracle Linux 7 : grub2 (ELSA-2022-9469)
The remote Oracle Linux 7 host has packages installed that are affected by multiple vulnerabilities as referenced in the ELSA-2022-9469 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...
PT-2022-6168
Name of the Vulnerable Software and Affected Versions grub2 versions prior to 2.12 Description A crafted 16-bit grayscale PNG image may lead to an out-of-bounds write in the heap area, potentially causing heap data corruption or arbitrary code execution, and circumventing secure boot protections...
LSN-0086-1 Kernel Live Patch Security Notice
It was discovered that a race condition existed in the network scheduling subsystem of the Linux kernel, leading to a use-after-free vulnerability. A local attacker could use this to cause a denial of service system crash or possibly execute arbitrary code.CVE-2021-39713 Yiqi Sun and Kevin Wang...
CVE-2020-10713
A flaw was found in grub2, prior to version 2.06. An attacker may use the GRUB 2 flaw to hijack and tamper the GRUB verification process. This flaw also allows the bypass of Secure Boot protections. In order to load an untrusted or modified kernel, an attacker would first need to establish access...
May 10, 2022—KB5013952 (OS Build 14393.5125) - EXPIRED
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KB5014026: Servicing stack update for Windows 10, version 1607 and Server 2016: May 10, 2022
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CVE-2021-4034
A local privilege escalation vulnerability was found on polkit's pkexec utility. The pkexec application is a setuid tool designed to allow unprivileged users to run commands as privileged users according predefined policies. The current version of pkexec doesn't handle the calling parameters coun...
April 25, 2022—KB5012637 (OS Build 20348.681) Preview
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CVE-2021-3972
A potential vulnerability by a driver used during manufacturing process on some consumer Lenovo Notebook devices' BIOS that was mistakenly not deactivated may allow an attacker with elevated privileges to modify secure boot setting by modifying an NVRAM variable...
CVE-2021-3972
A potential vulnerability by a driver used during manufacturing process on some consumer Lenovo Notebook devices' BIOS that was mistakenly not deactivated may allow an attacker with elevated privileges to modify secure boot setting by modifying an NVRAM variable...
CVE-2021-3972
A potential vulnerability by a driver used during manufacturing process on some consumer Lenovo Notebook devices' BIOS that was mistakenly not deactivated may allow an attacker with elevated privileges to modify secure boot setting by modifying an NVRAM variable...
Design/Logic Flaw
A potential vulnerability by a driver used during manufacturing process on some consumer Lenovo Notebook devices' BIOS that was mistakenly not deactivated may allow an attacker with elevated privileges to modify secure boot setting by modifying an NVRAM variable...
CVE-2021-3972
A potential vulnerability by a driver used during manufacturing process on some consumer Lenovo Notebook devices' BIOS that was mistakenly not deactivated may allow an attacker with elevated privileges to modify secure boot setting by modifying an NVRAM variable...
Cisco Catalyst Digital Building Series Switches and Cisco Catalyst Micro Switches Vulnerabilities (cisco-sa-cdb-cmicr-vulns-KJjFtNb)
According to its self-reported version, Cisco Catalyst Digital Building Series Switches and Cisco Catalyst Micro Switches Vulnerabilities is affected by the following vulnerabilities: - A denial of service DoS vulnerability exists in the boot loader. An unauthenticated, physical attacker can...
CVE-2021-3972: Active Debug Code
A potential vulnerability by a driver used during manufacturing process on some consumer Lenovo Notebook devices' BIOS that was mistakenly not deactivated may allow an attacker with elevated privileges to modify secure boot setting by modifying an NVRAM variable...
Lenovo issues fixes for laptop backdoors
Researchers have discovered three vulnerabilities affecting various Lenovo consumer laptop models. The vulnerabilities were found in UEFI firmware drivers originally meant to be used only during the manufacturing process, along with a vulnerability in the SW SMI handler function. The list of...