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oraclelinuxOracleLinuxELSA-2023-0752
HistoryJun 13, 2023 - 12:00 a.m.

grub2 security update

2023-06-1300:00:00
linux.oracle.com
8

8.6 High

CVSS3

Attack Vector

LOCAL

Attack Complexity

LOW

Privileges Required

NONE

User Interaction

REQUIRED

Scope

CHANGED

Confidentiality Impact

HIGH

Integrity Impact

HIGH

Availability Impact

HIGH

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

4.4 Medium

CVSS2

Access Vector

LOCAL

Access Complexity

MEDIUM

Authentication

NONE

Confidentiality Impact

PARTIAL

Integrity Impact

PARTIAL

Availability Impact

PARTIAL

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

0.001 Low

EPSS

Percentile

21.3%

[2.06-46.0.4.el9_1.3]

  • Bump SBAT metadata for grub to 3 [Orabug: 34872719]
  • Fix CVE-2022-3775 [Orabug: 34871953]
  • Enable signing for aarch64 EFI
  • Fix signing certificate names
  • Enable back btrfs grub module for EFI pre-built image [Orabug: 34360986]
  • Replaced bugzilla.oracle.com references [Orabug: 34202300]
  • Update provided certificate version to 202204 [JIRA: OLDIS-16371]
  • Various coverity fixes [JIRA: OLDIS-16371]
  • bump SBAT generation
  • Update bug url [Orabug: 34202300]
  • Revert provided certificate version back to 202102 [JIRA: OLDIS-16371]
  • Update signing certificate [JIRA: OLDIS-16371]
  • fix SBAT data [JIRA: OLDIS-16371]
  • Update requires [JIRA: OLDIS-16371]
  • Rebuild for SecureBoot signatures [Orabug: 33801813]
  • Do not add shim and grub certificate deps for aarch64 packages [Orabug: 32670033]
  • Update Oracle SBAT data [Orabug: 32670033]
  • Use new signing certificate [Orabug: 32670033]
  • honor /etc/sysconfig/kernel DEFAULTKERNEL setting for BLS [Orabug: 30643497]
  • set EFIDIR as redhat for additional grub2 tools [Orabug: 29875597]
  • Update upstream references [Orabug: 26388226]
  • Insert Unbreakable Enterprise Kernel text into BLS config file [Orabug: 29417955]
  • Put ‘with’ in menuentry instead of ‘using’ [Orabug: 18504756]
  • Use different titles for UEK and RHCK kernels [Orabug: 18504756]
    [2.06-46.el9_1.3]
  • Give up on redhat-sb-certs
  • Resolves: CVE-2022-2601
    [2.06-46.el9_1.2]
  • CVE update (actually 2.06-49)
  • Resolves: CVE-2022-2601

8.6 High

CVSS3

Attack Vector

LOCAL

Attack Complexity

LOW

Privileges Required

NONE

User Interaction

REQUIRED

Scope

CHANGED

Confidentiality Impact

HIGH

Integrity Impact

HIGH

Availability Impact

HIGH

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

4.4 Medium

CVSS2

Access Vector

LOCAL

Access Complexity

MEDIUM

Authentication

NONE

Confidentiality Impact

PARTIAL

Integrity Impact

PARTIAL

Availability Impact

PARTIAL

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

0.001 Low

EPSS

Percentile

21.3%