Hacker News with Generative AI: UEFI

Negotiating PoE+ Power in the Pre‑Boot Environment (roderickkhan.com)
Solving a boot-time power challenge on PoE+ x86 systems by creating our own UEFI app to handle LLDP power negotiation at the firmware level, allowing our machines to request higher power from network switches before the OS loads.
Hardware, Networking, Firmware, UEFI, Boot Process
220 points by pietrushnic 31 days ago | 71 comments
Get PC BIOS back on UEFI only system (github.com/FlyGoat)
CSMWrap is a cool little hack that brings back the good old PC BIOS on those fancy-pants UEFI-only systems.
Hardware, BIOS, UEFI
181 points by bonki 32 days ago | 63 comments
Linux as a UEFI bootloader and kexecing windows (2022) (trmm.net)
Description: As strange as it first seems, chainloading Windows from Linux might be the more secure way to boot the system. From within a minimal PXE booted runtime, the Linux shell scripts can perform a TPM-rooted remote attestation with the normal tpm2 tools, receive the BitLocker keys from the attestation server using the safeboot scripts and safely pass them to Microsoft’s bootloader in a UEFI ramdisk via a form of kexec.
Linux, UEFI, Security, Bootloaders, Windows
12 points by GalaxySnail 50 days ago | 0 comments
Microsoft reports several bootloader vulnerabilities (microsoft.com)
By leveraging Microsoft Security Copilot to expedite the vulnerability discovery process, Microsoft Threat Intelligence uncovered several vulnerabilities in multiple open-source bootloaders, impacting all operating systems relying on Unified Extensible Firmware Interface (UEFI) Secure Boot as well as IoT devices.
Security, Vulnerabilities, Open Source, UEFI
91 points by hacknslack 88 days ago | 59 comments
UEFI-Only Support for AMD Radeon RX 9000 Series Graphics and Later (amd.com)
This article provides information about UEFI requirements for AMD graphics cards based on the AMD RDNA™ 4 Architecture and later.
AMD, Graphics Cards, UEFI, Hardware, Software
38 points by doener 115 days ago | 48 comments
BootKitty UEFI malware exploits LogoFAIL to infect Linux systems (bleepingcomputer.com)
The recently uncovered 'Bootkitty' Linux UEFI bootkit exploits the LogoFAIL flaw, tracked as CVE-2023-40238, to target computers running on vulnerable firmware.
Security, Linux, UEFI, Malware, Vulnerability
5 points by sandwichsphinx 207 days ago | 0 comments
Found in the wild: the first unkillable UEFI bootkit for Linux (arstechnica.com)
"Bootkitty" is likely a proof-of-concept, but may portend working UEFI malware for Linux.
Security, Linux, Malware, UEFI
20 points by lisper 211 days ago | 9 comments
Bootkitty: Analyzing the first UEFI bootkit for Linux (welivesecurity.com)
Over the past few years, the UEFI threat landscape, particularly that of UEFI bootkits, has evolved significantly.
Security, Linux, UEFI, Malware
183 points by doener 212 days ago | 82 comments
Researchers discover first UEFI bootkit malware for Linux (bleepingcomputer.com)
The first UEFI bootkit specifically targeting Linux systems has been discovered, marking a shift in stealthy and hard-to-remove bootkit threats that previously focused on Windows.
Security, Linux, Malware, UEFI
11 points by FUCKTHEPLANET 212 days ago | 5 comments
"Bootkitty": The First UEFI Bootkit Targeting Linux Systems (cyberinsider.com)
ESET researchers have uncovered Bootkitty, the first-ever UEFI bootkit designed to target Linux systems.
Cybersecurity, Linux, UEFI, Bootkits
19 points by voxadam 212 days ago | 3 comments
OneFileLinux: A tiny recovery distro that fits in your EFI system partition (theregister.com)
OneFileLinux is a very different sort of distro that runs entirely from your UEFI system partition, without a bootable USB key or any other partitions on the disk.
Linux, Operating Systems, Recovery, UEFI
14 points by RachelF 291 days ago | 1 comments
Surface UEFI: Now using Rust (microsoft.com)
Rust, UEFI, Programming Languages, Microsoft
28 points by pjmlp 374 days ago | 2 comments
UEFI, BIOS, and other confusing x86 PC (firmware) terms (utoronto.ca)
UEFI, BIOS, x86, Firmware, Computer Hardware
44 points by ingve 420 days ago | 8 comments
An IRC client that runs on your motherboard's UEFI is born (gigazine.net)
IRC, UEFI, Hardware, Programming, Software
33 points by fury999io 425 days ago | 3 comments