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oraclelinuxOracleLinuxELSA-2021-9077
HistoryMar 02, 2021 - 12:00 a.m.

grub2 security update

2021-03-0200:00:00
linux.oracle.com
28

8.2 High

CVSS3

Attack Vector

LOCAL

Attack Complexity

LOW

Privileges Required

HIGH

User Interaction

NONE

Scope

CHANGED

Confidentiality Impact

HIGH

Integrity Impact

HIGH

Availability Impact

HIGH

CVSS:3.1/AV:L/AC:L/PR:H/UI:N/S:C/C:H/I:H/A:H

7.2 High

CVSS2

Access Vector

LOCAL

Access Complexity

LOW

Authentication

NONE

Confidentiality Impact

COMPLETE

Integrity Impact

COMPLETE

Availability Impact

COMPLETE

AV:L/AC:L/Au:N/C:C/I:C/A:C

[2.02-90.0.2]

  • Fix CVE-2020-14372 CVE-2020-25632 CVE-2020-25647 CVE-2020-27749
    CVE-2020-27779 CVE-2021-20225 CVE-2021-20233 [Orabug: 32530657]
  • Fix various coverity issues [Orabug: 32530657]
  • Disable os-prober by default [Orabug: 32530657]
  • Add SBAT metadata to grubx64.efi [Orabug: 32530657]

8.2 High

CVSS3

Attack Vector

LOCAL

Attack Complexity

LOW

Privileges Required

HIGH

User Interaction

NONE

Scope

CHANGED

Confidentiality Impact

HIGH

Integrity Impact

HIGH

Availability Impact

HIGH

CVSS:3.1/AV:L/AC:L/PR:H/UI:N/S:C/C:H/I:H/A:H

7.2 High

CVSS2

Access Vector

LOCAL

Access Complexity

LOW

Authentication

NONE

Confidentiality Impact

COMPLETE

Integrity Impact

COMPLETE

Availability Impact

COMPLETE

AV:L/AC:L/Au:N/C:C/I:C/A:C