What’s Vulnerable › Vulnerabilities

CVE-2022-49521: scsi: lpfc: Fix resource leak in lpfc_sli4_send_seq_to_ulp()

• Severity: medium (CVSS 5.5 v3.1)
• Exploited in the wild: not listed in CISA KEV
• EPSS: 0.3% probability of exploitation in the next 30 days
• Public exploit or detection template: none known
• Published: 2025-02-26 · updated 2026-06-17
• Weakness: CWE-401

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.

Affected products

• Linux kernel: before 5.10.121; from 5.11 before 5.15.46; from 5.16 before 5.17.14; from 5.18 before 5.18.3 — fixed in 5.10.121, 5.15.46, 5.17.14, 5.18.3

How to fix

Upgrade to a fixed version: Linux kernel 5.10.121, 5.15.46, 5.17.14, 5.18.3. Check the vendor advisory for mitigations.

References

• https://git.kernel.org/stable/c/08709769ff2fb6c5ffedcda3742700d8ea1618a8
• https://git.kernel.org/stable/c/40cf4ea4d2d497f7732c87d350ba5c3f5e8a43a1
• https://git.kernel.org/stable/c/646db1a560f44236b7278b822ca99a1d3b6ea72c
• https://git.kernel.org/stable/c/7860d8f8082605b57596aa82d3d438c1fdad9a9e
• https://git.kernel.org/stable/c/fa1b509d41c5433672f72c0615cf4aefa0611c99

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