Vulnerability Details CVE-2022-28735
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.
Exploit prediction scoring system (EPSS) score
EPSS Score 0.0
EPSS Ranking 2.0%
CVSS Severity
CVSS v3 Score 6.7
References
- https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2022-28735
- https://security.netapp.com/advisory/ntap-20230825-0002/
- https://www.openwall.com/lists/oss-security/2022/06/07/5
- https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2022-28735
- https://security.netapp.com/advisory/ntap-20230825-0002/
- https://www.openwall.com/lists/oss-security/2022/06/07/5
Products affected by CVE-2022-28735
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cpe:2.3:a:gnu:grub2:2.00
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cpe:2.3:a:gnu:grub2:2.01
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cpe:2.3:a:gnu:grub2:2.02
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cpe:2.3:a:gnu:grub2:2.04
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cpe:2.3:a:gnu:grub2:2.06