CVE-2022-28735
6.7CVSSMEDIUM
Description
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.
CVSS Vector Breakdown
Exploitability
AV:LAttack VectorLocal
AC:LAttack ComplexityLow
PR:HPrivileges RequiredHigh
UI:NUser InteractionNone
Scope
S:UScopeUnchanged
Impact
C:HConfidentialityHigh
I:HIntegrityHigh
A:HAvailabilityHigh
Weaknesses
Affected Products
and 2 more affected products View all →
Exploitability
Official Patch Available
References
https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2022-28735
cve.mitre.org
https://security.netapp.com/advisory/ntap-20230825-0002/
security.netapp.com
https://www.openwall.com/lists/oss-security/2022/06/07/5
openwall.com
and 5 more references View all →
Timeline
Published
Jul 20, 2023
Last Updated
Nov 21, 2024
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