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CVE-2026-43454

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.
Lifecycle PUBLISHED1 preserved revisionFact urn:baitaphish:canonical-cve-fact-revision:v2:967c5fd7356508186e1e086c131e08399a72684dd1aa030e899abd3735388cc8
Known exploited
Not asserted
Disputed
No
Stale source
No
Conflicts
1

Preserved source conflicts

No provider value was silently selected as the winner.

affected · 2 assertions

{"defaultStatus":"unaffected","product":"Linux","programFiles":["net/netfilter/nf_tables_api.c","net/netfilter/nft_chain_filter.c"],"repo":"https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git","vendor":"Linux","versions":[{"lessThan":"6d2a95c6890577cc3eab2b20018e16850d7fb094","status":"affected","version":"a331b78a552551d0e404e58e6390b1c828d6af8f","versionType":"git"},{"lessThan":"2041cdb078041611510fc189410bc70b29f688fb","status":"affected","version":"a331b78a552551d0e404e58e6390b1c828d6af8f","versionType":"git"},{"lessThan":"b7cdc5a97d02c943f4bdde4d5767ad0c13cad92b","status":"af…

  • cve_program_cvelist_v5affected
    urn:baitaphish:normalized-source-record:v2:24291254e14f884bc50c00fd4b34c707007d14de73ad826010f669284626ae46 · sha256:d10eab33e764289e… · /containers/cna/affected/0

{"defaultStatus":"affected","product":"Linux","programFiles":["net/netfilter/nf_tables_api.c","net/netfilter/nft_chain_filter.c"],"repo":"https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git","vendor":"Linux","versions":[{"status":"affected","version":"6.16"},{"lessThan":"6.16","status":"unaffected","version":"0","versionType":"semver"},{"lessThanOrEqual":"6.18.*","status":"unaffected","version":"6.18.19","versionType":"semver"},{"lessThanOrEqual":"6.19.*","status":"unaffected","version":"6.19.9","versionType":"semver"},{"lessThanOrEqual":"*","status":"unaffected","version":"7.0","…

  • cve_program_cvelist_v5affected
    urn:baitaphish:normalized-source-record:v2:24291254e14f884bc50c00fd4b34c707007d14de73ad826010f669284626ae46 · sha256:d10eab33e764289e… · /containers/cna/affected/1

Affected products and versions

2 source assertions
{"defaultStatus":"unaffected","product":"Linux","programFiles":["net/netfilter/nf_tables_api.c","net/netfilter/nft_chain_filter.c"],"repo":"https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git","vendor":"Linux","versions":[{"lessThan":"6d2a95c6890577cc3eab2b20018e16850d7fb094","status":"affected","version":"a331b78a552551d0e404e58e6390b1c828d6af8f","versionType":"git"},{"lessThan":"2041cdb078041611510fc189410bc70b29f688fb","status":"affected","version":"a331b78a552551d0e404e58e6390b1c828d6af8f","versionType":"git"},{"lessThan":"b7cdc5a97d02c943f4bdde4d5767ad0c13cad92b","status":"af…
  • cve_program_cvelist_v5affected
    urn:baitaphish:normalized-source-record:v2:24291254e14f884bc50c00fd4b34c707007d14de73ad826010f669284626ae46 · sha256:d10eab33e764289e… · /containers/cna/affected/0
{"defaultStatus":"affected","product":"Linux","programFiles":["net/netfilter/nf_tables_api.c","net/netfilter/nft_chain_filter.c"],"repo":"https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git","vendor":"Linux","versions":[{"status":"affected","version":"6.16"},{"lessThan":"6.16","status":"unaffected","version":"0","versionType":"semver"},{"lessThanOrEqual":"6.18.*","status":"unaffected","version":"6.18.19","versionType":"semver"},{"lessThanOrEqual":"6.19.*","status":"unaffected","version":"6.19.9","versionType":"semver"},{"lessThanOrEqual":"*","status":"unaffected","version":"7.0","…
  • cve_program_cvelist_v5affected
    urn:baitaphish:normalized-source-record:v2:24291254e14f884bc50c00fd4b34c707007d14de73ad826010f669284626ae46 · sha256:d10eab33e764289e… · /containers/cna/affected/1

Provider-owned CVSS observations

1 source assertion
{"metric":{"baseScore":7.8,"baseSeverity":"HIGH","vectorString":"CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H","version":"3.1"},"metric_type":"cvssV3_1"}
  • cve_program_cvelist_v5cvss
    urn:baitaphish:normalized-source-record:v2:24291254e14f884bc50c00fd4b34c707007d14de73ad826010f669284626ae46 · sha256:d10eab33e764289e… · /containers/cna/metrics/0/cvssV3_1

Source references

3 source assertions
{"url":"https://git.kernel.org/stable/c/2041cdb078041611510fc189410bc70b29f688fb"}
  • cve_program_cvelist_v5reference
    urn:baitaphish:normalized-source-record:v2:24291254e14f884bc50c00fd4b34c707007d14de73ad826010f669284626ae46 · sha256:d10eab33e764289e… · /containers/cna/references/1
{"url":"https://git.kernel.org/stable/c/6d2a95c6890577cc3eab2b20018e16850d7fb094"}
  • cve_program_cvelist_v5reference
    urn:baitaphish:normalized-source-record:v2:24291254e14f884bc50c00fd4b34c707007d14de73ad826010f669284626ae46 · sha256:d10eab33e764289e… · /containers/cna/references/0
{"url":"https://git.kernel.org/stable/c/b7cdc5a97d02c943f4bdde4d5767ad0c13cad92b"}
  • cve_program_cvelist_v5reference
    urn:baitaphish:normalized-source-record:v2:24291254e14f884bc50c00fd4b34c707007d14de73ad826010f669284626ae46 · sha256:d10eab33e764289e… · /containers/cna/references/2

Attribution and limitations

  • CVE Program CVEList V5: Reproduce the MITRE copyright designation and CVE license in copies. Source →

Provider severity values are preserved separately. Baitaphish does not convert them into a risk rating, infer affected products, or treat EPSS as observed exploitation.

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