CVE-2022-28735

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.

6.7

CVSS

Severity: Medium

CVSS 3.1 •

EPSS 0.01%

Third-Party Advisory mitre.org Third-Party Advisory openwall.com

Affected: GNU Project GNU GRUB

References

Link	Tags
https://www.openwall.com/lists/oss-security/2022/06/07/5	third party advisory mailing list
https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2022-28735	third party advisory issue tracking
https://security.netapp.com/advisory/ntap-20230825-0002/

Frequently Asked Questions

What is the severity of CVE-2022-28735?: CVE-2022-28735 has been scored as a medium severity vulnerability.
How to fix CVE-2022-28735?: To fix CVE-2022-28735, make sure you are using an up-to-date version of the affected component(s) by checking the vendor release notes. As for now, there are no other specific guidelines available.
Is CVE-2022-28735 being actively exploited in the wild?: As for now, there are no information to confirm that CVE-2022-28735 is being actively exploited. According to its EPSS score, there is a ~0% probability that this vulnerability will be exploited by malicious actors in the next 30 days.
What software or system is affected by CVE-2022-28735?: CVE-2022-28735 affects GNU Project GNU GRUB.

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