CVE-2026-43454
7.8
CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H
Summary
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 Software
| Vendor | Product | Version Range | Status |
|---|---|---|---|
| Linux | Linux | a331b78a552551d0e404e58e6390b1c828d6af8f < 6d2a95c6890577cc3eab2b20018e16850d7fb094 | affected |
| Linux | Linux | a331b78a552551d0e404e58e6390b1c828d6af8f < 2041cdb078041611510fc189410bc70b29f688fb | affected |
| Linux | Linux | a331b78a552551d0e404e58e6390b1c828d6af8f < b7cdc5a97d02c943f4bdde4d5767ad0c13cad92b | affected |
| Linux | Linux | 6.16 | affected |
| Linux | Linux | 0 < 6.16 | unaffected |
| Linux | Linux | 6.18.19 <= 6.18.* | unaffected |
| Linux | Linux | 6.19.9 <= 6.19.* | unaffected |
| Linux | Linux | 7.0 <= * | unaffected |
Weaknesses
References
- https://git.kernel.org/stable/c/6d2a95c6890577cc3eab2b20018e16850d7fb094
- https://git.kernel.org/stable/c/2041cdb078041611510fc189410bc70b29f688fb
- https://git.kernel.org/stable/c/b7cdc5a97d02c943f4bdde4d5767ad0c13cad92b
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