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CVE-2026-72416NVD
Vulnerability Summary
In the Linux kernel, the following vulnerability has been resolved:
netfilter: nft_compat: ebtables emulation must reject non-bridge targets
xtables targets return netfilter verdicts: NF_ACCEPT, NF_DROP, and so
on. ebtables targets return incompatible verdicts: EBT_ACCEPT,
EBT_DROP, ... We cannot allow fallback to NFPROTO_UNSPEC.
ebtables doesn't permit this since
11ff7288beb2 ("netfilter: ebtables: reject non-bridge targets")
but that commit missed the nft_compat layer.
netfilter: nft_compat: ebtables emulation must reject non-bridge targets
xtables targets return netfilter verdicts: NF_ACCEPT, NF_DROP, and so
on. ebtables targets return incompatible verdicts: EBT_ACCEPT,
EBT_DROP, ... We cannot allow fallback to NFPROTO_UNSPEC.
ebtables doesn't permit this since
11ff7288beb2 ("netfilter: ebtables: reject non-bridge targets")
but that commit missed the nft_compat layer.
CVSS v3.1 Base Metrics
Attack VectorLocal
Attack ComplexityLow
Privileges RequiredLow
User InteractionNone
ScopeUnchanged
ConfidentialityLow
IntegrityHigh
AvailabilityHigh
External References
- https://git.kernel.org/stable/c/33e1875d6b5b552a2e5652b40074c604199354ee
- https://git.kernel.org/stable/c/9dbba7e694ec045f21ede2f892fb42b81b4e1692
- https://git.kernel.org/stable/c/b3f7a84540a0d014ec42343ff5909657c1bd1994
- https://git.kernel.org/stable/c/c129b0185e707dce405968e21afccd5728b2ce63
- https://git.kernel.org/stable/c/efc17b9240d821c424bc5191a5c6e9384a06293e