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CVE-2022-49521

5.5 · MEDIUM

In the Linux kernel, the following vulnerability has been resolved: scsi: lpfc: Fix resource leak in lpfc_sli4_send_seq_to_ulp() If no handler is found in lpfc_complete_unsol_iocb() to match the…

Published Feb 26, 2025CWE-401EPSS 0.27%

Overview

CVE-2022-49521 is a medium-severity vulnerability. It was published on February 26, 2025 and has a CVSS 3.1 base score of 5.5 (MEDIUM).

This vulnerability has a CVSS 3.1 base score of 5.5, rated MEDIUM. 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:

scsi: lpfc: Fix resource leak in lpfc_sli4_send_seq_to_ulp()

If no handler is found in lpfc_complete_unsol_iocb() to match the rctl of a

received frame, the frame is dropped and resources are leaked.

Fix by returning resources when discarding an unhandled frame type. Update

lpfc_fc_frame_check() handling of NOP basic link service.

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/08709769ff2fb6c5ffedcda3742700d8ea1618a8Refgit.kernel.org/stable/c/40cf4ea4d2d497f7732c87d350ba5c3f5e8a43a1Refgit.kernel.org/stable/c/646db1a560f44236b7278b822ca99a1d3b6ea72cRefgit.kernel.org/stable/c/7860d8f8082605b57596aa82d3d438c1fdad9a9eRefgit.kernel.org/stable/c/fa1b509d41c5433672f72c0615cf4aefa0611c99

How CyberStrike helps

Frequently asked questions

What is CVE-2022-49521?

CVE-2022-49521 is a medium-severity vulnerability. It was published on February 26, 2025 and has a CVSS 3.1 base score of 5.5 (MEDIUM).

How severe is CVE-2022-49521?

This vulnerability has a CVSS 3.1 base score of 5.5, rated MEDIUM. It requires local or adjacent network access to exploit. Some level of privileges is required for exploitation.

How do I fix or remediate CVE-2022-49521?

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-2022-49521?

CyberStrike is an open-source, AI-augmented pentesting engine. Rather than flag a version number, it tests whether an issue like CVE-2022-49521 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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