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oraclelinuxOracleLinuxELSA-2024-2456
HistoryMay 03, 2024 - 12:00 a.m.

grub2 security update

2024-05-0300:00:00
linux.oracle.com
4
unix
grub2
security

7.8 High

CVSS3

Attack Vector

LOCAL

Attack Complexity

LOW

Privileges Required

LOW

User Interaction

NONE

Scope

UNCHANGED

Confidentiality Impact

HIGH

Integrity Impact

HIGH

Availability Impact

HIGH

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

7.2 High

AI Score

Confidence

Low

0.001 Low

EPSS

Percentile

32.6%

[2.06-77.0.1]

  • Support setting custom kernels as default kernels [Orabug: 36043978]
  • 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]
    [2.06-77]
  • kern/dl: grub_dl_set_mem_attrs()/grub_dl_load_segments() fixes
  • Resolves: #RHEL-26322
    [2.06-76]
  • fs/ntfs: OOB write fix
  • (CVE-2023-4692)
  • Resolves: #RHEL-11567
    [2.06-75]
  • grub-set-bootflag: Fix for CVE-2024-1048
  • (CVE-2024-1048)
  • Resolves: #RHEL-20747
    [2.06-74]
  • Don’t run 20-grub.install for UKIs
  • Resolves: #RHEL-21368
    [2.06-73]
  • search command: add flag to only search root dev
  • Resolves: #RHEL-20526
  • Resolves: #CVE-2023-4001
    [2.06-72]
  • normal: Remove grub_env_set prefix in grub_try_normal_prefix
  • Resolves: #RHEL-1601
    [2.06-71]
  • kern/ieee1275/init: ppc64: Restrict high memory in presence
    of fadump
  • Resolves: #RHEL-14282

7.8 High

CVSS3

Attack Vector

LOCAL

Attack Complexity

LOW

Privileges Required

LOW

User Interaction

NONE

Scope

UNCHANGED

Confidentiality Impact

HIGH

Integrity Impact

HIGH

Availability Impact

HIGH

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

7.2 High

AI Score

Confidence

Low

0.001 Low

EPSS

Percentile

32.6%