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CVE-2025-71160

5.5 · MEDIUM

In the Linux kernel, the following vulnerability has been resolved: netfilter: nf_tables: avoid chain re-validation if possible Hamza Mahfooz reports cpu soft lock-ups in nft_chain_validate():…

Published Jan 23, 2026EPSS 0.18%

Overview

CVE-2025-71160 is a medium-severity vulnerability. It was published on January 23, 2026 and has a CVSS 3.1 base score of 5.5 (MEDIUM).

This vulnerability has a CVSS 3.1 base score of 5.5, rated MEDIUM. 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_tables: avoid chain re-validation if possible

Hamza Mahfooz reports cpu soft lock-ups in

nft_chain_validate():

watchdog: BUG: soft lockup - CPU#1 stuck for 27s! [iptables-nft-re:37547]

[..]

RIP: 0010:nft_chain_validate+0xcb/0x110 [nf_tables]

[..]

nft_immediate_validate+0x36/0x50 [nf_tables]

nft_chain_validate+0xc9/0x110 [nf_tables]

nft_immediate_validate+0x36/0x50 [nf_tables]

nft_chain_validate+0xc9/0x110 [nf_tables]

nft_immediate_validate+0x36/0x50 [nf_tables]

nft_chain_validate+0xc9/0x110 [nf_tables]

nft_immediate_validate+0x36/0x50 [nf_tables]

nft_chain_validate+0xc9/0x110 [nf_tables]

nft_immediate_validate+0x36/0x50 [nf_tables]

nft_chain_validate+0xc9/0x110 [nf_tables]

nft_immediate_validate+0x36/0x50 [nf_tables]

nft_chain_validate+0xc9/0x110 [nf_tables]

nft_table_validate+0x6b/0xb0 [nf_tables]

nf_tables_validate+0x8b/0xa0 [nf_tables]

nf_tables_commit+0x1df/0x1eb0 [n

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/09d6074995c186e449979fe6c1b0f1a69cf9bd3bRefgit.kernel.org/stable/c/14fa3d1927f1382f86e3f70a51f26005c8e3cff6Refgit.kernel.org/stable/c/53de1e6cde8f9b791d9cf61aa0e7b02cf5bbe8b1Refgit.kernel.org/stable/c/8e1a1bc4f5a42747c08130b8242ebebd1210b32f

How CyberStrike helps

Frequently asked questions

What is CVE-2025-71160?

CVE-2025-71160 is a medium-severity vulnerability. It was published on January 23, 2026 and has a CVSS 3.1 base score of 5.5 (MEDIUM).

How severe is CVE-2025-71160?

This vulnerability has a CVSS 3.1 base score of 5.5, rated MEDIUM. It requires local or adjacent network access to exploit. Some level of privileges is required for exploitation.

How do I fix or remediate CVE-2025-71160?

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-2025-71160?

CyberStrike is an open-source, AI-augmented pentesting engine. Rather than flag a version number, it tests whether an issue like CVE-2025-71160 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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