CVE-2022-28735 - The GRUB2's shim_lock verifier allows non-kernel files to be loaded on shim-powered secure boot syst

CVE-2022-28735

Summary

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.

References

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/

Vulnerable Configurations

cpe:2.3:a:gnu:grub2:2.00:*:*:*:*:*:*:*
cpe:2.3:a:gnu:grub2:2.00:*:*:*:*:*:*:*
cpe:2.3:a:gnu:grub2:2.01:*:*:*:*:*:*:*
cpe:2.3:a:gnu:grub2:2.01:*:*:*:*:*:*:*
cpe:2.3:a:gnu:grub2:2.02:*:*:*:*:*:*:*
cpe:2.3:a:gnu:grub2:2.02:*:*:*:*:*:*:*
cpe:2.3:a:gnu:grub2:2.04:*:*:*:*:*:*:*
cpe:2.3:a:gnu:grub2:2.04:*:*:*:*:*:*:*
cpe:2.3:a:gnu:grub2:2.06:*:*:*:*:*:*:*
cpe:2.3:a:gnu:grub2:2.06:*:*:*:*:*:*:*

CVSS

Base:	None
Impact:
Exploitability:

CWE

NVD-CWE-noinfo

CAPEC

Access

Vector	Complexity	Authentication

Impact

Confidentiality	Integrity	Availability

Last major update

25-08-2023 - 23:15

Published

20-07-2023 - 01:15

Last modified

25-08-2023 - 23:15