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CVE-2026-93801

7.0 · HIGH

In the Linux kernel, the following vulnerability has been resolved: smb/client: zero-initialize stack-allocated cifs_open_info_data Stack-allocated cifs_open_info_data may contain random data.

Published Sep 24, 2026EPSS 0.13%

Overview

CVE-2026-93801 is a high-severity vulnerability. It was published on September 24, 2026 and has a CVSS 3.1 base score of 7.0 (HIGH).

This vulnerability has a CVSS 3.1 base score of 7.0, 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:

smb/client: zero-initialize stack-allocated cifs_open_info_data

Stack-allocated cifs_open_info_data may contain random data.

This can make some fields have wrong value if they are not set later.

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/22532dd88694ed20bdd47523ffa709f166ce776bRefgit.kernel.org/stable/c/2c5db82778f560121efda9e052e2f19c2d807c1bRefgit.kernel.org/stable/c/74ff47e6c4213fcfeba2de448d9cbda200507d22Refgit.kernel.org/stable/c/8fce4cf4369c766a3293a05419500cbfde72e60d

How CyberStrike helps

Frequently asked questions

What is CVE-2026-93801?

CVE-2026-93801 is a high-severity vulnerability. It was published on September 24, 2026 and has a CVSS 3.1 base score of 7.0 (HIGH).

How severe is CVE-2026-93801?

This vulnerability has a CVSS 3.1 base score of 7.0, 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-2026-93801?

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-2026-93801?

CyberStrike is an open-source, AI-augmented pentesting engine. Rather than flag a version number, it tests whether an issue like CVE-2026-93801 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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