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OpenAdvisories
High ELSA-2022-9465 1 CVE

Important: shim security update (Oracle Linux 8)

Published Jun 7, 2022 · Updated Jun 7, 2022

Summary

[15.6-1.0.3]
- Update shimx64.efi and shimia32.efi signed by Microsoft [JIRA: OLDIS-16370]

[15.6-1.0.2]
- Update to shim-unsigned v15.6.rc2 [JIRA: OLDIS-16370]

[15.6-1.0.1]
- Update to shim-unsigned v15.6.rc1 [JIRA: OLDIS-16370]

[15.5-1.0.3]
- Update vendor certs [JIRA: OLDIS-16370]
- Update oracle(grub2-sig-key) [JIRA: OLDIS-16370]

[15.5-1.0.1]
- Allow MokListTrusted to be enabled by default [Orabug: 33770149]
- Add patchset to load additional certificates from vendor signed EFI binary [Orabug: 33770149]

Fixed packages 2

ReleasePackageFixed in
Oracle Linux · 8 shim-ia32 0:15.6-1.0.3.el8
Oracle Linux · 8 shim-x64 0:15.6-1.0.3.el8

Vulnerabilities 1

  • Medium 6.5

    There's a possible overflow in handle_image() when shim tries to load and execute crafted EFI executables

    There's a possible overflow in handle_image() when shim tries to load and execute crafted EFI executables; The handle_image() function takes into account the SizeOfRawData field from each section to be loaded. An attacker can leverage this to perform out-of-b…