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CVE-2026-97876 Bypass of GRUB lockdown restriction in Secure Boot mode via serial command MMIO base address

🗓️ 02 Oct 2026 10:34:23Reported by GoogleType 
osv
 osv
🔗 osv.dev👁 2 Views

Local attacker can bypass GRUB lockdown restrictions by loading an unsigned module.

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04 Oct 2026 07:00Current
6.1Medium risk
Vulners AI Score6.1
CVSS 3.16.4
2