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CVE-2026-52970

5.5 · MEDIUM

In the Linux kernel, the following vulnerability has been resolved: netfilter: nft_ct: fix missing expect put in obj eval nft_ct_expect_obj_eval() allocates an expectation and may call nf_ct_expe…

Published Jun 24, 2026EPSS 0.13%

Overview

CVE-2026-52970 is a medium-severity vulnerability. It was published on June 24, 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: nft_ct: fix missing expect put in obj eval

nft_ct_expect_obj_eval() allocates an expectation and may call

nf_ct_expect_related(), but never drops its local reference.

Add nf_ct_expect_put(exp) before return to balance allocation.

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/19f94b6fee75b3ef7fbc06f3745b9a771a8a19a4Refgit.kernel.org/stable/c/1dced0725e2fae3ac3416274db20a7ff5a46931dRefgit.kernel.org/stable/c/26ab32ec73941871c97562ee1f39587950dc3b68Refgit.kernel.org/stable/c/2aef1b13d5c0285f340512c6c07eb858fd018fd8Refgit.kernel.org/stable/c/7b96242ceedfe249f158419f3254bcee04173ffeRefgit.kernel.org/stable/c/84c422cea5a45fe56be839f25880f21fd33940cdRefgit.kernel.org/stable/c/cdb9a25dd3416d427e8b2753210f8baf44207577Refgit.kernel.org/stable/c/ecca618e1e339494911090474ed87742c0f73976

How CyberStrike helps

Frequently asked questions

What is CVE-2026-52970?

CVE-2026-52970 is a medium-severity vulnerability. It was published on June 24, 2026 and has a CVSS 3.1 base score of 5.5 (MEDIUM).

How severe is CVE-2026-52970?

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-2026-52970?

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-2026-52970?

CyberStrike is an open-source, AI-augmented pentesting engine. Rather than flag a version number, it tests whether an issue like CVE-2026-52970 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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