CVE-2022-2601

A buffer overflow was found in grubfontconstructglyph. A malicious crafted pf2 font can lead to an overflow when calculating the maxglyphsize value, allocating a smaller than needed buffer for the glyph, this further leads to a buffer overflow and a heap based out-of-bounds write. An attacker may...

grub2: Buffer overflow in grub_font_construct_glyph() can lead to out-of-bound write and possible secure boot bypass

A flaw was found where a maliciously crafted pf2 font could lead to an out-of-bounds write in grub2. A successful attack can lead to memory corruption and secure boot circumvention...

Moderate: Red Hat Security Advisory: grub2 security and bug fix update

An update for grub2 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 Moderate. A Common Vulnerability Scoring System CVSS base score, which gives a detailed severity rating, is available for ea...

RHEL 9 : grub2 (RHSA-2022:8978)

The remote Redhat Enterprise Linux 9 host has packages installed that are affected by multiple vulnerabilities as referenced in the RHSA-2022:8978 advisory. The grub2 packages provide version 2 of the Grand Unified Boot Loader GRUB, a highly configurable and customizable boot loader with modular...

[SECURITY] [DLA 3190-2] grub2 security update

------------------------------------------------------------------------- Debian LTS Advisory DLA-3190-2 [email protected] https://www.debian.org/lts/security/ Steve McIntyre December 10, 2022 https://wiki.debian.org/LTS -...

grub2: Buffer overflow in grub_font_construct_glyph() can lead to out-of-bound write and possible secure boot bypass

A flaw was found where a maliciously crafted pf2 font could lead to an out-of-bounds write in grub2. A successful attack can lead to memory corruption and secure boot circumvention...

Moderate: Red Hat Security Advisory: grub2 security update

An update for grub2 is now available for Red Hat Enterprise Linux 8.2 Advanced Update Support, Red Hat Enterprise Linux 8.2 Telecommunications Update Service, and Red Hat Enterprise Linux 8.2 Update Services for SAP Solutions. Red Hat Product Security has rated this update as having a security...

RHEL 8 : grub2 (RHSA-2022:8800)

The remote Redhat Enterprise Linux 8 host has packages installed that are affected by multiple vulnerabilities as referenced in the RHSA-2022:8800 advisory. The grub2 packages provide version 2 of the Grand Unified Boot Loader GRUB, a highly configurable and customizable boot loader with modular...

Acer Laptop Vulnerability Allows Malware Infection During Secure Boot

By Deeba Ahmed ESET assigned the vulnerability a CVSS score of 8.1 and tracked it as CVE-2022-4020. This is a post from HackRead.com Read the original post: Acer Laptop Vulnerability Allows Malware Infection During Secure Boot...

New Flaw in Acer Laptops Could Let Attackers Disable Secure Boot Protection

Acer has released a firmware update to address a security vulnerability that could be potentially weaponized to turn off UEFI Secure Boot on affected machines. Tracked as CVE-2022-4020, the high-severity vulnerability affects five different models that consist of Aspire A315-22, A115-21, and...

CVE-2022-2601 & CVE-2022-3775: Multiple GRUB2 vulnerabilities

Security Advisory ID : BSA-2022-2139 Component : GRUB2 Revision : 1.0 Brocade PSIRT has become aware of two grub vulnerabilities. CVE-2022-2601 grub2: A buffer overflow in grubfontconstructglyph can lead to out-of-bound write and possible secure boot by-pass A buffer overflow was found in...

CVE-2022-4020

Vulnerability in the HQSwSmiDxe DXE driver on some consumer Acer Notebook devices may allow an attacker with elevated privileges to modify UEFI Secure Boot settings by modifying an NVRAM variable...

Design/Logic Flaw

Vulnerability in the HQSwSmiDxe DXE driver on some consumer Acer Notebook devices may allow an attacker with elevated privileges to modify UEFI Secure Boot settings by modifying an NVRAM variable...

CVE-2022-4020 Acer Aspire BIOS vulnerability

Vulnerability in the HQSwSmiDxe DXE driver on some consumer Acer Notebook devices may allow an attacker with elevated privileges to modify UEFI Secure Boot settings by modifying an NVRAM variable...

CVE-2022-4020

CVE-2022-4020 affects Acer notebooks via the HQSwSmiDxe DXE driver. The vulnerability lets a user with elevated privileges modify an NVRAM variable to change UEFI Secure Boot settings, potentially disabling Secure Boot and enabling unsigned code execution at boot. Reported affected models include...

CVE-2022-4020 Acer Aspire BIOS vulnerability

Vulnerability in the HQSwSmiDxe DXE driver on some consumer Acer Notebook devices may allow an attacker with elevated privileges to modify UEFI Secure Boot settings by modifying an NVRAM variable...

PT-2022-25278 · Acer · Acer Notebook

Name of the Vulnerable Software and Affected Versions: Acer Notebook devices affected versions not specified Description: The issue concerns a vulnerability in the HQSwSmiDxe DXE driver that may allow an attacker with elevated privileges to modify UEFI Secure Boot settings by changing an NVRAM...

Acer Extensa Series 安全漏洞

Acer Extensa Series is a line of laptops from Acer, a Chinese company. The Acer Extensa Series suffers from a security vulnerability that stems from its HQSwSmiDxe DXE driver that allows an attacker with elevated privileges to modify the UEFI Secure Boot settings by modifying the NVRAM variable...

SUSE SLED15: grub2 / grub2-arm64-efi / grub2-arm64-efi-debug / etc (SUSE-SU-2022:4219-1)

The remote SUSE Linux SLED15 / SLEDSAP15 / SLES15 / SLESSAP15 / openSUSE 15 host has packages installed that are affected by multiple vulnerabilities as referenced in the SUSE-SU-2022:4219-1 advisory. - CVE-2022-2601: Fixed buffer overflow in grubfontconstructglyph bsc1205178. - CVE-2022-3775:...

OESA-2022-2118 grub2 security update

GNU GRUB is a Multiboot boot loader. It was derived from GRUB, the GRand Unified Bootloader, which was originally designed and implemented by Erich Stefan Boleyn.Briefly, a boot loader is the first software program that runs when a computer starts. It is responsible for loading and transferring...