HIGHCVE-2026-43454Published Modified CNA Linux
CVE-2026-43454: netfilter: nf_tables: Fix for duplicate device in netdev hooks
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.
Metrics
- CVSS v3.1
- 7.8
- Severity
- HIGH
- Fixed in
- 0
- Affected Products
- 2
Fix available
02041cdb078041611510fc189410bc70b29f688fb6.18.196.19.96d2a95c6890577cc3eab2b20018e16850d7fb0947.0b7cdc5a97d02c943f4bdde4d5767ad0c13cad92b
Affected packages
- Linux / Linux< 6d2a95c6890577cc3eab2b20018e16850d7fb094 (from a331b78a552551d0e404e58e6390b1c828d6af8f) · < 2041cdb078041611510fc189410bc70b29f688fb (from a331b78a552551d0e404e58e6390b1c828d6af8f) · < b7cdc5a97d02c943f4bdde4d5767ad0c13cad92b (from a331b78a552551d0e404e58e6390b1c828d6af8f)
- Linux / Linux6.16Fixed in 0, 6.18.19, 6.19.9, 7.0
CVSS Vector
CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H