CVE-2022-28735

MEDIUM

6.7

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.

CVE Details

CVSS v3.1 Score6.7

SeverityMEDIUM

CVSS VectorCVSS:3.1/AV:L/AC:L/PR:H/UI:N/S:U/C:H/I:H/A:H

Attack VectorLOCAL

ComplexityLOW

Privileges RequiredHIGH

User InteractionNONE

Published7/20/2023

Last Modified11/21/2024

Sourcenvd

Honeypot Sightings0

Affected Products

gnu:grub2

References

https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2022-28735(security@ubuntu.com)

https://security.netapp.com/advisory/ntap-20230825-0002/(security@ubuntu.com)

https://www.openwall.com/lists/oss-security/2022/06/07/5(security@ubuntu.com)

https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2022-28735(af854a3a-2127-422b-91ae-364da2661108)

https://security.netapp.com/advisory/ntap-20230825-0002/(af854a3a-2127-422b-91ae-364da2661108)

https://www.openwall.com/lists/oss-security/2022/06/07/5(af854a3a-2127-422b-91ae-364da2661108)

IOC Correlations

No correlations recorded

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