You are using an out of date browser. It may not display this or other websites correctly. You should upgrade or use an alternative browser.
kb5058385
About this tag
The kb5058385 tag on WindowsForum.com covers discussions about a Microsoft Windows 11 update that addresses dual-boot compatibility issues with Linux distributions. The update follows the earlier KB5041585 security update, which introduced Secure Boot Advanced Targeting (SBAT) and inadvertently broke dual-boot setups for Linux systems like Ubuntu, Debian, Mint, Zorin OS, and Puppy Linux. Users reported errors such as 'Verifying shim SBAT data failed: Security Policy Violation' preventing Linux from booting. The kb5058385 update aims to fix these issues, restoring dual-boot functionality while maintaining security improvements. Topics include troubleshooting boot errors, SBAT implementation details, and steps to recover dual-boot configurations after the update.
In August 2024, Microsoft released security update KB5041585 for Windows 11, aiming to enhance system security by implementing Secure Boot Advanced Targeting (SBAT). This update inadvertently disrupted dual-boot configurations with Linux distributions such as Ubuntu, Debian, Mint, Zorin OS, and...
boot issues
boot process
bootloader
debian
dual boot
extended security updates
firmware
kb5041585
kb5058385
kb5058405
linux
linux compatibility
linux grub
linux security
microsoft patch
mint
open source
patch
puppy linux
sbat
secure boot
secure boot error
secure boot revocation
secure boot sbat
security
security patch
tech community
troubleshooting
ubuntu
uefi
vulnerability
windows
windows 11
windows compatibility
windows update
zorin os