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CVE-2022-3239

7.8 · HIGH

A flaw use after free in the Linux kernel video4linux driver was found in the way user triggers em28xx_usb_probe() for the Empia 28xx based TV cards.

Published Sep 19, 2022CWE-416EPSS 0.25%

Overview

CVE-2022-3239 is a high-severity vulnerability. It was published on September 19, 2022 and has a CVSS 3.1 base score of 7.8 (HIGH).

This vulnerability has a CVSS 3.1 base score of 7.8, rated HIGH. It requires local or adjacent network access to exploit. Some level of privileges is required for exploitation.

Technical description

A flaw use after free in the Linux kernel video4linux driver was found in the way user triggers em28xx_usb_probe() for the Empia 28xx based TV cards. A local user could use this flaw to crash the system or potentially escalate their privileges on the system.

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/pub/scm/linux/kernel/git/torvalds/linux.git/commit/?id=c08eadca1bdfa099e20a32f8fa4b52b2f672236dRefsecurity.netapp.com/advisory/ntap-20230214-0006/Refgit.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git/commit/?id=c08eadca1bdfa099e20a32f8fa4b52b2f672236dRefsecurity.netapp.com/advisory/ntap-20230214-0006/

How CyberStrike helps

Frequently asked questions

What is CVE-2022-3239?

CVE-2022-3239 is a high-severity vulnerability. It was published on September 19, 2022 and has a CVSS 3.1 base score of 7.8 (HIGH).

How severe is CVE-2022-3239?

This vulnerability has a CVSS 3.1 base score of 7.8, 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-2022-3239?

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-2022-3239?

CyberStrike is an open-source, AI-augmented pentesting engine. Rather than flag a version number, it tests whether an issue like CVE-2022-3239 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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