CVE-2026-43454
High
Description
In the Linux kernel, the following vulnerability has been resolved: netfilter: nf_tables: Fix for duplicate device in netdev hooks When handling NETDEV_REGISTER notification, duplicate device registration must be avoided since the device may have been added by nft_netdev_hook_alloc() already when creating the hook.
SeverityHigh
CVSS7.8
Exploit probability—
Product
Linux Kernel
PublishedMay 8, 2026
First seenMay 8, 2026
How to fix
Update
- linux linux_kernel6.18.19, 6.19.9 or later
Affected products
| Product | Affected versions | Fixed in |
|---|---|---|
| linux linux_kernel | 6.16 ≤ v < 6.18.19, 6.19 ≤ v < 6.19.9, 7.0 | 6.18.19, 6.19.9 |
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