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CVE-2026-74260

7.8 · HIGH

In the Linux kernel, the following vulnerability has been resolved: netfilter: nf_dup_netdev: add nf_dev_xmit_recursion*() helpers and use them Update nft_dup and nft_fwd to use the nf_dev_xmit_r…

Published Aug 15, 2026EPSS 0.17%

Overview

CVE-2026-74260 is a high-severity vulnerability. It was published on August 15, 2026 and has a CVSS 3.1 base score of 7.8 (HIGH).

This vulnerability has a CVSS 3.1 base score of 7.8, rated HIGH. It requires local or adjacent network access to exploit. Some level of privileges is required for exploitation.

Technical description

In the Linux kernel, the following vulnerability has been resolved:

netfilter: nf_dup_netdev: add nf_dev_xmit_recursion*() helpers and use them

Update nft_dup and nft_fwd to use the nf_dev_xmit_recursion() helpers.

This patch also disables BH when transmitting the skb to address a

possible migration to different CPU leading to imbalanced decrementation

of the recursion counters.

This is modeled after Florian Westphal's dev_xmit_recursion*() API

available since commit 97cdcf37b57e ("net: place xmit recursion in

softnet data") according to its current state in the tree.

Remediation

Check the references section for vendor advisories, patches, and mitigation guidance. If immediate patching is not possible, review the CVSS vector to understand the attack surface and apply compensating controls such as network segmentation or access restrictions.

References

Refgit.kernel.org/stable/c/2354e975932dabb06fad239f07a3b68fd1809737Refgit.kernel.org/stable/c/edf234f71fb327792196f813048ab8f5bd3bb712

How CyberStrike helps

Frequently asked questions

What is CVE-2026-74260?

CVE-2026-74260 is a high-severity vulnerability. It was published on August 15, 2026 and has a CVSS 3.1 base score of 7.8 (HIGH).

How severe is CVE-2026-74260?

This vulnerability has a CVSS 3.1 base score of 7.8, rated HIGH. It requires local or adjacent network access to exploit. Some level of privileges is required for exploitation.

How do I fix or remediate CVE-2026-74260?

Check the references section for vendor advisories, patches, and mitigation guidance. If immediate patching is not possible, review the CVSS vector to understand the attack surface and apply compensating controls such as network segmentation or access restrictions.

How can CyberStrike help with CVE-2026-74260?

CyberStrike is an open-source, AI-augmented pentesting engine. Rather than flag a version number, it tests whether an issue like CVE-2026-74260 is actually reachable in your own applications and APIs, then verifies each finding before reporting it. That tells you if the weakness is a real, exploitable risk in your environment or a false positive you can safely deprioritize.

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