Riskcovery

CVE-2026-43454

netfilter: nf_tables: Fix for duplicate device in netdev hooks

State
Published
Severity
7.8 High
Published
May 8, 2026
Updated
Aug 5, 2026
Reserved
May 1, 2026

Read the record on cve.org

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.

Scores

CVSSScoreVectorSource
3.17.8 HighCVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:HLinux

Weaknesses

The record names no weakness.

Affected Products

ProductVersions
LinuxLinux
  • a331b78a552551d0e404e58e6390b1c828d6af8f to before 6d2a95c6890577cc3eab2b20018e16850d7fb094Affected
  • a331b78a552551d0e404e58e6390b1c828d6af8f to before 2041cdb078041611510fc189410bc70b29f688fbAffected
  • a331b78a552551d0e404e58e6390b1c828d6af8f to before b7cdc5a97d02c943f4bdde4d5767ad0c13cad92bAffected
LinuxLinux
  • 6.16Affected
  • before 6.16Not affected
  • 6.18.19 through 6.18.*Not affected
  • 6.19.9 through 6.19.*Not affected
  • 7.0 and laterNot affected

References

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