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Red Hat Security Advisory

RHSA-2021:0699

grub2 security update

Released 2021-03-02 · Red Hat rating Moderate · View on Red Hat →

Fixed in

Fixes 7 records

TI-2020-15650 CVE-2020-25632 · GHSA-r6r2-gvcm-979j

Use after free in grub2

Priority LOW 38

A flaw was found in grub2 in versions prior to 2.06.

CVSS 3.1HIGH 8.2 Local High privileges No interaction EPSS 0.01152 Published 2021-03-03 Partial fix CWE-416
TI-2021-03528 CVE-2021-20233 · GHSA-257g-8w4g-3cc3

Out-of-bounds write in grub2

Priority LOW 37

A flaw was found in grub2 in versions prior to 2.06.

CVSS 3.1HIGH 8.2 Local High privileges No interaction EPSS 0.00605 Published 2021-03-03 Partial fix CWE-787
TI-2020-15664 CVE-2020-25647 · GHSA-q9cp-m9vw-25xh

Out-of-bounds write in grub2

Priority LOW 35

A flaw was found in grub2 in versions prior to 2.06.

CVSS 3.1HIGH 7.6 Physical No auth No interaction EPSS 0.00794 Published 2021-03-03 Partial fix CWE-787
TI-2020-16864 CVE-2020-27779 · GHSA-7p29-8vr2-rmvx

Improper authorization in grub2

Priority LOW 33

A flaw was found in grub2 in versions prior to 2.06.

CVSS 3.1HIGH 7.5 Local High privileges No interaction EPSS 0.0039 Published 2021-03-03 Partial fix CWE-285
TI-2021-03520 CVE-2021-20225 · GHSA-hmmc-9q6p-vgg6

Out-of-bounds write in grub2

Priority LOW 32

A flaw was found in grub2 in versions prior to 2.06.

CVSS 3.1MEDIUM 6.7 Local High privileges No interaction EPSS 0.01009 Published 2021-03-03 Partial fix CWE-787
TI-2020-16834 CVE-2020-27749 · GHSA-258p-xh3c-g68w

Stack-based buffer overflow in grub2

Priority LOW 30

A flaw was found in grub2 in versions prior to 2.06.

CVSS 3.1MEDIUM 6.7 Local High privileges No interaction EPSS 0.00573 Published 2021-03-03 Partial fix CWE-121