Earlier this week, Microsoft stated the issue with its August 2024 Patch Tuesday replace, which led to complications for purchasers operating Windows and Linux side-by-side on a unmarried system. Basically, the replace used to be no longer intended to focus on dual-boot techniques. Still, the detection mechanism failed to acknowledge positive techniques, ensuing within the replace incorrectly making use of a Secure Boot Advanced Targeting environment to the flawed techniques and breaking Linux installations.

Now, Microsoft equipped extra details about solving the problem on affected techniques. If your Windows-Linux system can not boot into Linux, check out the next to deliver it again to existence:

Disable Secure Boot:

• Boot into your instrument’s firmware settings.
• ​Disable Secure Boot (steps range through producer).

Delete SBAT Update:

• Boot into Linux.
• Open the terminal and run the under command: sudo mokutil –set-sbat-policy delete
• Enter your root password if precipitated.
• Boot into Linux another time.

Verify SBAT Revocations:

• In the terminal, run the under command: mokutil –list-sbat-revocations
• Ensure the listing displays no revocations.

Re-enable Secure Boot:

• Reboot into the firmware settings.
• Re-enable Secure Boot.

Check Secure Boot Status:

• Boot into Linux. Run the under command: mokutil –sb-state
• The output must be “SecureBoot enabled”. If no longer, retry the step 4.

Prevent Future SBAT Updates in Windows:

• Boot into Windows.
• Open Command Prompt as Administrator and run: reg upload HKEY_LOCAL_MACHINESYSTEMCurrentControlSetControlSecureBootSBAT /v OptOut /d 1 /t REG_DWORD

At this level, you must now be capable to boot into Linux or Windows as earlier than. It’s a great time to put in any pending Linux updates to make sure your gadget is protected.

In addition to offering the workaround, Microsoft stated it’s operating with Linux companions to mend the issue once conceivable.

In case you ignored it, listed below are the updates Windows 10 and 11 gained all over this month’s Patch Tuesday:

• Windows 11 model 24H2: KB5041571
• Windows 11 model 22H2 and 23H2: KB5041585
• Windows 10 model 22H2: KB5041580