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CVE-2025-22110

9.8 · CRITICAL

In the Linux kernel, the following vulnerability has been resolved: netfilter: nfnetlink_queue: Initialize ctx to avoid memory allocation error It is possible that ctx in nfqnl_build_packet_messa…

Published Apr 16, 2025CWE-908EPSS 0.39%

Overview

CVE-2025-22110 is a critical-severity vulnerability. It was published on April 16, 2025 and has a CVSS 3.1 base score of 9.8 (CRITICAL).

This vulnerability has a CVSS 3.1 base score of 9.8, rated CRITICAL. It can be exploited remotely over the network. No authentication or special privileges are required for exploitation.

Technical description

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

netfilter: nfnetlink_queue: Initialize ctx to avoid memory allocation error

It is possible that ctx in nfqnl_build_packet_message() could be used

before it is properly initialize, which is only initialized

by nfqnl_get_sk_secctx().

This patch corrects this problem by initializing the lsmctx to a safe

value when it is declared.

This is similar to the commit 35fcac7a7c25

("audit: Initialize lsmctx to avoid memory allocation error").

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/778b09d91baafb13408470c721d034d6515cfa5aRefgit.kernel.org/stable/c/ddbf7e1d82a1d0c1d3425931a6cb1b83f8454759

How CyberStrike helps

Frequently asked questions

What is CVE-2025-22110?

CVE-2025-22110 is a critical-severity vulnerability. It was published on April 16, 2025 and has a CVSS 3.1 base score of 9.8 (CRITICAL).

How severe is CVE-2025-22110?

This vulnerability has a CVSS 3.1 base score of 9.8, rated CRITICAL. It can be exploited remotely over the network. No authentication or special privileges are required for exploitation.

How do I fix or remediate CVE-2025-22110?

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-2025-22110?

CyberStrike is an open-source, AI-augmented pentesting engine. Rather than flag a version number, it tests whether an issue like CVE-2025-22110 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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