SB2024060334 - Improper locking in Linux kernel scsi lpfc driver
Published: June 3, 2024 Updated: May 14, 2025
Breakdown by Severity
- Low
- Medium
- High
- Critical
Description
This security bulletin contains information about 1 security vulnerability.
1) Improper locking (CVE-ID: CVE-2024-36924)
The vulnerability allows a local user to perform a denial of service (DoS) attack.
The vulnerability exists due to improper locking within the lpfc_set_rrq_active() and lpfc_sli_post_recovery_event() functions in drivers/scsi/lpfc/lpfc_sli.c, within the lpfc_dev_loss_tmo_callbk() function in drivers/scsi/lpfc/lpfc_hbadisc.c, within the lpfc_els_retry_delay() function in drivers/scsi/lpfc/lpfc_els.c. A local user can perform a denial of service (DoS) attack.
Remediation
Install update from vendor's website.
References
- https://git.kernel.org/stable/c/6503c39398506cadda9f4c81695a9655ca5fb4fd
- https://git.kernel.org/stable/c/e8bf2c05e8ad68e90f9d5889a9e4ef3f6fe00683
- https://git.kernel.org/stable/c/ee833d7e62de2b84ed1332d501b67f12e7e5678f
- https://git.kernel.org/stable/c/ded20192dff31c91cef2a04f7e20e60e9bb887d3
- https://mirrors.edge.kernel.org/pub/linux/kernel/v6.x/ChangeLog-6.1.91
- https://mirrors.edge.kernel.org/pub/linux/kernel/v6.x/ChangeLog-6.6.31
- https://mirrors.edge.kernel.org/pub/linux/kernel/v6.x/ChangeLog-6.8.10