CVE-2020-27779
Vulnerability from cvelistv5
Published
2021-03-03 16:40
Modified
2024-08-04 16:25
Severity ?
EPSS score ?
0.03% (0.0402)
Summary
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.
References
secalert@redhat.comhttps://bugzilla.redhat.com/show_bug.cgi?id=1900698Issue Tracking, Third Party Advisory
secalert@redhat.comhttps://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/ZWZ36QK4IKU6MWDWNOOWKPH3WXZBHT2R/
secalert@redhat.comhttps://security.gentoo.org/glsa/202104-05Third Party Advisory
secalert@redhat.comhttps://security.netapp.com/advisory/ntap-20220325-0001/Third Party Advisory
af854a3a-2127-422b-91ae-364da2661108https://bugzilla.redhat.com/show_bug.cgi?id=1900698Issue Tracking, Third Party Advisory
af854a3a-2127-422b-91ae-364da2661108https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/ZWZ36QK4IKU6MWDWNOOWKPH3WXZBHT2R/
af854a3a-2127-422b-91ae-364da2661108https://security.gentoo.org/glsa/202104-05Third Party Advisory
af854a3a-2127-422b-91ae-364da2661108https://security.netapp.com/advisory/ntap-20220325-0001/Third Party Advisory
Impacted products
Vendor Product Version
n/a grub2 Version: grub 2.06
Show details on NVD website

To clipboard 

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