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CVE-2026-64553

In the Linux kernel, the following vulnerability has been resolved: net: psample: fix info leak in PSAMPLE_ATTR_DATA psample open codes nla_put() presumably to avoid wiping the data with 0s just…

Published Jul 27, 2026EPSS 0.18%

Overview

CVE-2026-64553 is a known-severity vulnerability. It was published on July 27, 2026.

Technical description

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

net: psample: fix info leak in PSAMPLE_ATTR_DATA

psample open codes nla_put() presumably to avoid wiping

the data with 0s just to override it with packet data.

This open coding is missing clearing the pad, however,

each netlink attr is padded to 4B and data_len may

not be divisible by 4B.

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/0d3ea2ccddda442077fc44f11d873209c97ec50bRefgit.kernel.org/stable/c/48930f6c59fd0056c2de46ce52bfe27d9c9e5eb6Refgit.kernel.org/stable/c/794a0d8bdbb39e083ed42caccb86d687a9b53570Refgit.kernel.org/stable/c/7fe7e6949964aa8ee6305f09db2dc9eede977bb3Refgit.kernel.org/stable/c/a6cfb924ad74efce254e99c197d2e3863de70868Refgit.kernel.org/stable/c/aedd02af1f8b0bceb7f42f5a21c41634ca9ed390Refgit.kernel.org/stable/c/befe1ebe7fc2c65c80074bc34ceeb0a721ed3cd2Refgit.kernel.org/stable/c/e2fa322782a2d7d8078f7bb20817e0aa9f7c32e9

How CyberStrike helps

Frequently asked questions

What is CVE-2026-64553?

CVE-2026-64553 is a known-severity vulnerability. It was published on July 27, 2026.

How severe is CVE-2026-64553?

CVSS score information is not yet available for this vulnerability. Check back as the CVE record is updated by NVD analysts.

How do I fix or remediate CVE-2026-64553?

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-2026-64553?

CyberStrike is an open-source, AI-augmented pentesting engine. Rather than flag a version number, it tests whether an issue like CVE-2026-64553 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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