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oraclelinuxOracleLinuxELSA-2024-1902
HistoryApr 25, 2024 - 12:00 a.m.

shim security update

2024-04-2500:00:00
linux.oracle.com
27
shim
security update
oracle
microsoft
signed binaries
cve fixes

8.3 High

CVSS3

Attack Vector

ADJACENT

Attack Complexity

HIGH

Privileges Required

NONE

User Interaction

NONE

Scope

CHANGED

Confidentiality Impact

HIGH

Integrity Impact

HIGH

Availability Impact

HIGH

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

7.2 High

AI Score

Confidence

Low

0.025 Low

EPSS

Percentile

90.2%

[15.8-4.0.1]

  • Add support for Oracle signed shim [Orabug: 36540084]
  • Add shim binaries signed with Oracle Secure Boot Signing (key 1) [Orabug: 36540084]
    [15.8-1.0.3]
  • Update shimx64.efi, shimia32.efi and shimaa64.efi v15.8 signed by Microsoft [Orabug: 36072863]
    [15.8-1.0.2]
  • Use binaries with correct shim.ol generation [Orabug: 36072863]
  • Set SBAT_AUTOMATIC_DATE=2021030218 [Orabug: 36072863]
    [15.8-1.0.1]
  • Update to 15.8 [Orabug: 36072863]
  • fix CVE-2023-40546, CVE-2023-40547, CVE-2023-40548, CVE-2023-40549, CVE-2023-40550, CVE-2023-40551 [Orabug: 36072863]

8.3 High

CVSS3

Attack Vector

ADJACENT

Attack Complexity

HIGH

Privileges Required

NONE

User Interaction

NONE

Scope

CHANGED

Confidentiality Impact

HIGH

Integrity Impact

HIGH

Availability Impact

HIGH

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

7.2 High

AI Score

Confidence

Low

0.025 Low

EPSS

Percentile

90.2%