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CVE-2021-46934

3.3 · LOW

In the Linux kernel, the following vulnerability has been resolved: i2c: validate user data in compat ioctl Wrong user data may cause warning in i2c_transfer(), ex: zero msgs.

Published Feb 27, 2024CWE-754EPSS 0.23%

Overview

CVE-2021-46934 is a low-severity vulnerability. It was published on February 27, 2024 and has a CVSS 3.1 base score of 3.3 (LOW).

This vulnerability has a CVSS 3.1 base score of 3.3, rated LOW. 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:

i2c: validate user data in compat ioctl

Wrong user data may cause warning in i2c_transfer(), ex: zero msgs.

Userspace should not be able to trigger warnings, so this patch adds

validation checks for user data in compact ioctl to prevent reported

warnings

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/407c8708fb1bf2d4afc5337ef50635cf540c364bRefgit.kernel.org/stable/c/8d31cbab4c295d7010ebb729e9d02d0e9cece18fRefgit.kernel.org/stable/c/9e4a3f47eff476097e0c7faac04d1831fc70237dRefgit.kernel.org/stable/c/bb436283e25aaf1533ce061605d23a9564447bdfRefgit.kernel.org/stable/c/f68599581067e8a5a8901ba9eb270b4519690e26Refgit.kernel.org/stable/c/407c8708fb1bf2d4afc5337ef50635cf540c364bRefgit.kernel.org/stable/c/8d31cbab4c295d7010ebb729e9d02d0e9cece18fRefgit.kernel.org/stable/c/9e4a3f47eff476097e0c7faac04d1831fc70237dRefgit.kernel.org/stable/c/bb436283e25aaf1533ce061605d23a9564447bdfRefgit.kernel.org/stable/c/f68599581067e8a5a8901ba9eb270b4519690e26

How CyberStrike helps

Frequently asked questions

What is CVE-2021-46934?

CVE-2021-46934 is a low-severity vulnerability. It was published on February 27, 2024 and has a CVSS 3.1 base score of 3.3 (LOW).

How severe is CVE-2021-46934?

This vulnerability has a CVSS 3.1 base score of 3.3, rated LOW. It requires local or adjacent network access to exploit. Some level of privileges is required for exploitation.

How do I fix or remediate CVE-2021-46934?

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-2021-46934?

CyberStrike is an open-source, AI-augmented pentesting engine. Rather than flag a version number, it tests whether an issue like CVE-2021-46934 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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