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High severity7.8NVD Advisory· Published May 8, 2026· Updated May 20, 2026

CVE-2026-43454

CVE-2026-43454

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.

Affected products

5
  • Linux/Kernel5 versions
    cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*+ 4 more
    • cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*range: >=6.16,<6.18.19
    • cpe:2.3:o:linux:linux_kernel:7.0:rc1:*:*:*:*:*:*
    • cpe:2.3:o:linux:linux_kernel:7.0:rc2:*:*:*:*:*:*
    • cpe:2.3:o:linux:linux_kernel:7.0:rc3:*:*:*:*:*:*
    • (no CPE)

Patches

Vulnerability mechanics

References

3

News mentions

0

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