CVE-2026-100074
Medium
Description
In the Linux kernel, the following vulnerability has been resolved: bpf: Mark bpf_refcount field as unique BPF_REFCOUNT is not marked as a unique field, while it should be. Fix this oversight.
SeverityMedium
CVSS5.5
Exploit probability—
Product
Linux Kernel
PublishedSep 25, 2026
First seenSep 25, 2026
How to fix
Update
- linux linux_kernel6.18.52, 7.2.6 or later
Affected products
| Product | Affected versions | Fixed in |
|---|---|---|
| linux linux_kernel | 6.4 ≤ v < 6.18.52, 6.19 ≤ v < 7.2.6 | 6.18.52, 7.2.6 |
| microsoft azl3_kernel_6.6.157.1-1 | No range specified | — |
| microsoft azl3_kernel_6.6.159.1-1 | No range specified | — |
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