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oraclelinuxOracleLinuxELSA-2024-1959
HistoryMay 01, 2024 - 12:00 a.m.

shim security update

2024-05-0100:00:00
linux.oracle.com
32
shim
shim-signed
security update
cve-2023-40547
oracle certificates
sbat generation
ia32 build
microsoft signed
unix

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

6.9 Medium

AI Score

Confidence

Low

0.025 Low

EPSS

Percentile

90.2%

shim
[- 15.8-2.0.3.el7]

  • Set shim.ol sbat generation to 3 [Orabug: 36271343]
    [- 15.8-2.0.1.el7]
  • Set SBAT_AUTOMATIC_DATE to 2021030218 [Orabug: 36271343]
  • Rebuild with Oracle certificates [Orabug: 36271343]
  • Full list of fixed CVEs: CVE-2023-40546, CVE-2023-40547,
    CVE-2023-40548, CVE-2023-40549, CVE-2023-40550, CVE-2023-40551 [Orabug: 36271343]
    [15.8-2.el7]
  • Rebuild to fix the commit ident and MAKEFLAGS
    Resolves: RHEL-11254
    [15.8-1.el7]
  • Update to shim-15.8 for CVE-2023-40547
    Resolves: RHEL-11254
    shim-signed
    [15.8-1.0.3]
  • Update shimx64.efi signed by Microsoft [Orabug: 36271343]
    [15.8-1.0.1]
  • Set shim.ol sbat generation to 3 [Orabug: 36271343]
  • Set SBAT_AUTOMATIC_DATE to 2021030218 [Orabug: 36271343]
  • Rebuild with Oracle certificates [Orabug: 36271343]
  • Full list of fixed CVEs: CVE-2023-40546, CVE-2023-40547,
    CVE-2023-40548, CVE-2023-40549, CVE-2023-40550, CVE-2023-40551 [Orabug: 36271343]
  • Disable ia32 build [Orabug: 36271343]

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

6.9 Medium

AI Score

Confidence

Low

0.025 Low

EPSS

Percentile

90.2%