CVE-2026-43454
netfilter: nf_tables: Fix for duplicate device in netdev hooks
CVSS Score
7.8
EPSS Score
0.0%
EPSS Percentile
0th
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.
| Vendor | linux |
| Product | linux |
| Ecosystems | |
| Industries | Technology |
| Published | May 8, 2026 |
| Last Updated | May 11, 2026 |
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CVSS v3 Breakdown
CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H Attack Vector
Attack Complexity
Privileges Required
User Interaction
Scope
Confidentiality
Integrity
Availability
Affected Versions
Linux / Linux
a331b78a552551d0e404e58e6390b1c828d6af8f < 6d2a95c6890577cc3eab2b20018e16850d7fb094 a331b78a552551d0e404e58e6390b1c828d6af8f < 2041cdb078041611510fc189410bc70b29f688fb a331b78a552551d0e404e58e6390b1c828d6af8f < b7cdc5a97d02c943f4bdde4d5767ad0c13cad92b
Linux / Linux
6.16