CVE-2022-3675

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Summary

CVECVE-2022-3675
StatePUBLIC
Assigner[email protected]
Source PriorityCVE Program / NVD first with legacy fallback
Published2022-11-03 18:15:00 UTC
Updated2023-11-07 03:51:00 UTC
DescriptionFedora CoreOS supports setting a GRUB bootloader password using a Butane config. When this feature is enabled, GRUB requires a password to access the GRUB command-line, modify kernel command-line arguments, or boot non-default OSTree deployments. Recent Fedora CoreOS releases have a misconfiguration which allows booting non-default OSTree deployments without entering a password. This allows someone with access to the GRUB menu to boot into an older version of Fedora CoreOS, reverting any security fixes that have recently been applied to the machine. A password is still required to modify kernel command-line arguments and to access the GRUB command line.

Risk And Classification

Problem Types: CWE-306

NVD Known Affected Configurations (CPE 2.3)

TypeVendorProductVersionUpdateEditionLanguage
Application Redhat Fedora Coreos All All All All

References

ReferenceSourceLinkTags
Setting a GRUB password :: Fedora Docs MISC docs.fedoraproject.org
Non-default OSTree deployments accessible without GRUB password (CVE-2022-3675) - coreos-status - Fedora Mailing-Lists MISC lists.fedoraproject.org
Non-default OSTree deployments accessible without GRUB password (CVE-2022-3675) · Issue #1333 · coreos/fedora-coreos-tracker · GitHub MISC github.com
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