Memory leak in Linux kernel scsi lpfc driver



| Updated: 2025-05-11
Risk Low
Patch available YES
Number of vulnerabilities 1
CVE-ID CVE-2022-49521
CWE-ID CWE-401
Exploitation vector Local
Public exploit N/A
Vulnerable software
 Linux kernel
Operating systems & Components / Operating system

Vendor Linux Foundation

Security Bulletin

This security bulletin contains one low risk vulnerability.

1) Memory leak

EUVDB-ID: #VU104302

Risk: Low

CVSSv4.0: 4.3 [CVSS:4.0/AV:L/AC:L/AT:N/PR:L/UI:N/VC:N/VI:N/VA:H/SC:N/SI:N/SA:N/E:U/U:Clear]

CVE-ID: CVE-2022-49521

CWE-ID: CWE-401 - Missing release of memory after effective lifetime

Exploit availability: No

Description

The vulnerability allows a local user to perform a denial of service (DoS) attack.

The vulnerability exists due to memory leak within the lpfc_fc_frame_check() and lpfc_sli4_send_seq_to_ulp() functions in drivers/scsi/lpfc/lpfc_sli.c. A local user can perform a denial of service (DoS) attack.

Mitigation

Install update from vendor's website.

Vulnerable software versions

Linux kernel: 5.10 - 5.10.120

CPE2.3 External links

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
https://mirrors.edge.kernel.org/pub/linux/kernel/v5.x/ChangeLog-5.10.121


Q & A

Can this vulnerability be exploited remotely?

No. This vulnerability can be exploited locally. The attacker should have authentication credentials and successfully authenticate on the system.

Is there known malware, which exploits this vulnerability?

No. We are not aware of malware exploiting this vulnerability.



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