CVE-2023-5342
Medium
Description
The Fedora Secure Boot CA certificate shipped with shim in Fedora was expired which could lead to old or invalid signed boot components being loaded.
SeverityMedium
CVSS4.1
Exploit probability—
ProductShim-x64
PublishedAug 14, 2025
First seenAug 14, 2025
Weakness typeCWE-324CWE-324
How to fix
Update
- shim-x6415.8-2 or later
Affected products
| Product | Affected versions | Fixed in |
|---|---|---|
| shim-x64 | 15.6-2 ≤ v < 15.8-2 | 15.8-2 |
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