CVE-2026-72416

High

Description

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.

SeverityHigh

CVSS7.3

Exploit probability—

Product

Linux

PublishedAug 15, 2026

First seenAug 15, 2026

How to fix

Update

Linux Linux7c4f6a55a0fa8efbbe06dfed3fd440bca121f41a, efc17b9240d821c424bc5191a5c6e9384a06293e, b3f7a84540a0d014ec42343ff5909657c1bd1994, 33e1875d6b5b552a2e5652b40074c604199354ee, c129b0185e707dce405968e21afccd5728b2ce63, 9dbba7e694ec045f21ede2f892fb42b81b4e1692 or later

Affected products

Product	Affected versions	Fixed in
Linux Linux	0ca743a5599199152a31a7146b83213c786c2eb2 ≤ v < 7c4f6a55a0fa8efbbe06dfed3fd440bca121f41a, 0ca743a5599199152a31a7146b83213c786c2eb2 ≤ v < efc17b9240d821c424bc5191a5c6e9384a06293e, 0ca743a5599199152a31a7146b83213c786c2eb2 ≤ v < b3f7a84540a0d014ec42343ff5909657c1bd1994, 0ca743a5599199152a31a7146b83213c786c2eb2 ≤ v < 33e1875d6b5b552a2e5652b40074c604199354ee, 0ca743a5599199152a31a7146b83213c786c2eb2 ≤ v < c129b0185e707dce405968e21afccd5728b2ce63, 0ca743a5599199152a31a7146b83213c786c2eb2 ≤ v < 9dbba7e694ec045f21ede2f892fb42b81b4e1692, 3.13	7c4f6a55a0fa8efbbe06dfed3fd440bca121f41a, efc17b9240d821c424bc5191a5c6e9384a06293e, b3f7a84540a0d014ec42343ff5909657c1bd1994, 33e1875d6b5b552a2e5652b40074c604199354ee, c129b0185e707dce405968e21afccd5728b2ce63, 9dbba7e694ec045f21ede2f892fb42b81b4e1692

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