This root certificate, used in the Unified Extensible Firmware Interface (UEFI) Secure Boot process, plays a central role in verifying the authenticity and integrity of bootloaders, operating ...

To defeat Secure Boot, the bootkit exploits CVE-2022-21894, a vulnerability in all supported versions of Windows that Microsoft patched in January 2022. The logic flaw, referred to as Baton Drop ...

A new UEFI Secure Boot bypass vulnerability tracked as CVE-2024-7344 that affects a Microsoft-signed application could be exploited to deploy bootkits even if Secure Boot protection is active.

ESET researchers have uncovered a vulnerability that, if exploited, would allow bad actors to circumvent UEFI Secure Boot and deploy malicious UEFI bootkits such as Bootkitty or BlackLotus on ...

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. Named 'Bootkitty ...

The vulnerability has a CVSS score of 6.7 and is present in a UEFI application signed by Microsoft's 'Microsoft Corporation UEFI CA 2011' third-party certificate.

ESET said the vulnerabilities—tracked as CVE-2022-3430, CVE-2022-3431, and CVE-2022-3432—“allow disabling UEFI Secure Boot or restoring factory default Secure Boot databases (incl. dbx): all ...

However, attackers can store their own certificates in it and subsequently run any firmware that is certified with it – already in the early BBoot process within the UEFI environment (CVE-2025 ...

The UEFI Secure Boot process ensures that only trusted components and software are loaded. Because UEFI lives inside a memory chip, malware injected into it can survive reboots, ...

This root certificate, used in the Unified Extensible Firmware Interface (UEFI) Secure Boot process, plays a central role in verifying the authenticity and integrity of bootloaders, operating ...

While not yet complete, Bootkitty is described as the first UEFI bootkit for Linux that researchers have found. Bootkits like BlackLotus are a particular kind of malware designed to infect the ...