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shim: Buffer overflow when loading crafted EFI images

🗓️ 16 Jun 2022 15:39:42Reported by RedHatType 
redhat
 redhat
🔗 access.redhat.com👁 6 Views

Shim overflow on loading crafted EFI images can cause out-of-bounds write, risking data integrity and code execution.

Related
Packages
Refs
OSOS VersionArchitecturePackagePackage VersionFilename
Red Hat Enterprise Linux8aarch64shim-aa640:15.6-1.el8shim-aa64-0:15.6-1.el8.aarch64.rpm
Red Hat Enterprise Linux8x86_64shim-ia320:15.6-1.el8shim-ia32-0:15.6-1.el8.x86_64.rpm
Red Hat Enterprise Linux8x86_64shim-unsigned-x640:15.6-1.el8shim-unsigned-x64-0:15.6-1.el8.x86_64.rpm
Red Hat Enterprise Linux8x86_64shim-x640:15.6-1.el8shim-x64-0:15.6-1.el8.x86_64.rpm

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26 Jun 2026 15:35Current
6Medium risk
Vulners AI Score6
CVSS 3.16.5 - 7.8
EPSS0.00332
SSVC
6