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CVE-2022-28735

Date: July 19, 2023

The GRUB2's shim_lock verifier allows non-kernel files to be loaded on shim-powered secure boot systems. Allowing such files to be loaded may lead to unverified code and modules to be loaded in GRUB2 breaking the secure boot trust-chain.

Language: C

Severity Score

Related Resources (8)

https://people.canonical.com/~ubuntu-security/cve/CVE-2022-28735
https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2022-28735
https://nvd.nist.gov/vuln/detail/CVE-2022-28735
https://www.openwall.com/lists/oss-security/2022/06/07/5
https://security.netapp.com/advisory/ntap-20230825-0002/
https://access.redhat.com/security/cve/CVE-2022-28735
https://security-tracker.debian.org/tracker/CVE-2022-28735
https://www.mend.io/vulnerability-database/CVE-2022-28735

Severity Score

Weakness Type (CWE)

Insufficient Information

NVD-CWE-noinfo

CVSS v3.1

Base Score:
Attack Vector (AV): LOCAL
Attack Complexity (AC): LOW
Privileges Required (PR): LOW
User Interaction (UI): NONE
Scope (S): UNCHANGED
Confidentiality (C): HIGH
Integrity (I): HIGH
Availability (A): HIGH

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