Microsoft shares temp fix for Linux boot issues on dual-boot systems
ID: 8a0ad349-6ea8-56f7-ae17-94484cdb9cc2
STIX ID: report--8a0ad349-6ea8-56f7-ae17-94484cdb9cc2
Feed Name: Bleeping Computer
Threat Score
Microsoft acknowledged that an SBAT update in the August 2024 Windows security updates was incorrectly applied on some dual-boot machines, causing Secure Boot verification failures that stop various Linux distributions from booting. The report outlines the root cause (SBAT revocations intended to block vulnerable shim bootloaders for CVE-2022-2601), affected systems, and provides Microsoft’s step-by-step workaround to delete the SBAT policy, verify revocations, and opt out of future SBAT updates.
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