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.
Metrics
Affected Vendors & Products
References
History
No history.
MITRE
Status: PUBLISHED
Assigner: redhat
Published: 2021-03-03T16:40:24
Updated: 2024-08-04T16:25:42.468Z
Reserved: 2020-10-27T00:00:00
Link: CVE-2020-27779
Vulnrichment
No data.
NVD
Status : Modified
Published: 2021-03-03T17:15:11.847
Modified: 2024-11-21T05:21:49.190
Link: CVE-2020-27779
Redhat