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.
History

No history.

cve-icon MITRE Information

Status: PUBLISHED

Assigner: redhat

Published: 2021-03-03T16:40:24

Updated: 2022-03-25T07:06:28

Reserved: 2020-10-27T00:00:00


Link: CVE-2020-27779

JSON object: View

cve-icon NVD Information

Status : Modified

Published: 2021-03-03T17:15:11.847

Modified: 2023-11-07T03:21:00.220


Link: CVE-2020-27779

JSON object: View

cve-icon Redhat Information

No data.