Go to homepageCyberStrike

Menu

Star on GitHub · 3.2k
Sign inDownload

CVE-2021-47075

5.3 · MEDIUM

In the Linux kernel, the following vulnerability has been resolved: nvmet: fix memory leak in nvmet_alloc_ctrl() When creating ctrl in nvmet_alloc_ctrl(), if the cntlid_min is larger than cntlid_…

Published Mar 1, 2024CWE-401EPSS 0.91%

Overview

CVE-2021-47075 is a medium-severity vulnerability. It was published on March 1, 2024 and has a CVSS 3.1 base score of 5.3 (MEDIUM).

This vulnerability has a CVSS 3.1 base score of 5.3, rated MEDIUM. It can be exploited remotely over the network. No authentication or special privileges are required for exploitation.

Technical description

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

nvmet: fix memory leak in nvmet_alloc_ctrl()

When creating ctrl in nvmet_alloc_ctrl(), if the cntlid_min is larger

than cntlid_max of the subsystem, and jumps to the

"out_free_changed_ns_list" label, but the ctrl->sqs lack of be freed.

Fix this by jumping to the "out_free_sqs" label.

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/4720f29acb3fe67aa8aa71e6b675b079d193aaebRefgit.kernel.org/stable/c/afb680ed7ecbb7fd66ddb43650e9b533fd8b4b9aRefgit.kernel.org/stable/c/fec356a61aa3d3a66416b4321f1279e09e0f256fRefgit.kernel.org/stable/c/4720f29acb3fe67aa8aa71e6b675b079d193aaebRefgit.kernel.org/stable/c/afb680ed7ecbb7fd66ddb43650e9b533fd8b4b9aRefgit.kernel.org/stable/c/fec356a61aa3d3a66416b4321f1279e09e0f256f

How CyberStrike helps

Frequently asked questions

What is CVE-2021-47075?

CVE-2021-47075 is a medium-severity vulnerability. It was published on March 1, 2024 and has a CVSS 3.1 base score of 5.3 (MEDIUM).

How severe is CVE-2021-47075?

This vulnerability has a CVSS 3.1 base score of 5.3, rated MEDIUM. It can be exploited remotely over the network. No authentication or special privileges are required for exploitation.

How do I fix or remediate CVE-2021-47075?

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-2021-47075?

CyberStrike is an open-source, AI-augmented pentesting engine. Rather than flag a version number, it tests whether an issue like CVE-2021-47075 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.

Related MEDIUM CVEs from 2021

View all
Browse by year2026202520242023202220212020201920182017201620152014201320122011201020092008200720062005200420032002200120001999