CVE-2022-28735 Affecting shim-ia32 package, versions <0:15.6-1.el8


Severity

Recommended
0.0
high
0
10

Based on Rocky Linux security rating.

Threat Intelligence

EPSS
0.04% (16th percentile)

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  • Snyk IDSNYK-ROCKY8-SHIMIA32-3198331
  • published5 Jan 2023
  • disclosed20 Jul 2023

Introduced: 5 Jan 2023

CVE-2022-28735  (opens in a new tab)

How to fix?

Upgrade Rocky-Linux:8 shim-ia32 to version 0:15.6-1.el8 or higher.
This issue was patched in RLSA-2022:5095.

NVD Description

Note: Versions mentioned in the description apply only to the upstream shim-ia32 package and not the shim-ia32 package as distributed by Rocky-Linux. See How to fix? for Rocky-Linux:8 relevant fixed versions and status.

The GRUB2's shim_lock verifier allows non-kernel files to be loaded on shim-powered secure boot systems. Allowing such files to be loaded may lead to unverified code and modules to be loaded in GRUB2 breaking the secure boot trust-chain.

CVSS Base Scores

version 3.1