SB20250226494 - Improper locking in Linux kernel scsi lpfc driver
Published: February 26, 2025 Updated: May 11, 2025
Security Bulletin ID
SB20250226494
Severity
Low
Patch available
YES
Number of vulnerabilities
1
Exploitation vector
Local access
Highest impact
Denial of service
Breakdown by Severity
- Low
- Medium
- High
- Critical
Description
This security bulletin contains information about 1 security vulnerability.
1) Improper locking (CVE-ID: CVE-2022-49542)
The vulnerability allows a local user to perform a denial of service (DoS) attack.
The vulnerability exists due to improper locking within the lpfc_dmp_dbg() function in drivers/scsi/lpfc/lpfc_init.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/09c772557a4fd9490fed1bfb133268313ea22213
- https://git.kernel.org/stable/c/271725e4028559ae7974d762a8467dc9de412f2e
- https://git.kernel.org/stable/c/cc6501afccec55b8b6c90584cbf71f1fefa77d1e
- https://git.kernel.org/stable/c/e294647b1aed4247fe52851f3a3b2b19ae906228
- https://mirrors.edge.kernel.org/pub/linux/kernel/v5.x/ChangeLog-5.15.46
- https://mirrors.edge.kernel.org/pub/linux/kernel/v5.x/ChangeLog-5.17.14
- https://mirrors.edge.kernel.org/pub/linux/kernel/v5.x/ChangeLog-5.18.3
- https://mirrors.edge.kernel.org/pub/linux/kernel/v5.x/ChangeLog-5.19