Vulnerability feed

CVE and vendor PSIRT advisories from 13 sources, last 30 days. Updated hourly, last run Oct 26 03:05 UTC

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Expand	Severity	Score	Advisory	Title	Source	Flags	Published
	Medium	6.4	CVE-2026-97876	A local attacker with control over GRUB's configuration can bypass lockdown restrictions when booting with Secure Boot and load an unsigned GRUB module, while GRUB continues to... GNUGNU grub2	NVD		Oct 2 11:17 UTC
CVE-2026-97876A local attacker with control over GRUB's configuration can bypass lockdown restrictions when booting with Secure Boot and load an unsigned GRUB module, while GRUB continues to... From the advisory A local attacker with control over GRUB's configuration can bypass lockdown restrictions when booting with Secure Boot and load an unsigned GRUB module, while GRUB continues to report lockdown is enabled. The vulnerability is caused by insufficient validation of the MMIO base address passed to the GRUB serial command. GRUB does not validate that the base address corresponds to a UART device, rather than being an arbitrary memory address. This allows an attacker to trick GRUB into writing non-arbitrary data at an attacker-controlled address, including resetting the grub_file_verifiers list in a way that disables the subsequent verification of loaded modules. Impact if exploited ConfidentialityHigh IntegrityHigh AvailabilityHigh How it is exploited Attack vector Local Attack complexity High Privileges required High User interaction None Scope Unchanged CVSS:3.1/AV:L/AC:H/PR:H/UI:N/S:U/C:H/I:H/A:H Affects GNU GNU grub2 NIST National Vulnerability DatabasePublished Oct 2, 2026 11:17 UTC Read the advisory

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