CVE-2020-27779

State: Published
Severity: Not scored
Published: Mar 3, 2021
Updated: Aug 4, 2024
Reserved: Oct 27, 2020

Description

A flaw was found in grub2 in versions prior to 2.06. The cutmem command does not honor secure boot locking allowing an privileged attacker to remove address ranges from memory creating an opportunity to circumvent SecureBoot protections after proper triage about grub's memory layout. The highest threat from this vulnerability is to data confidentiality and integrity as well as system availability.

Scores

The record has no CVSS score.

Weaknesses

CWE-285

Affected Products

Product	Versions
grub2n/a	grub 2.06Affected

References

https://bugzilla.redhat.com/show_bug.cgi?id=1900698
FEDORA-2021-cab258a413vendor-advisory
GLSA-202104-05vendor-advisory
https://security.netapp.com/advisory/ntap-20220325-0001/

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