SB2025052138 - Improper locking in Linux kernel pci hotplug driver
Published: May 21, 2025
Security Bulletin ID
SB2025052138
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-2025-37946)
The vulnerability allows a local user to perform a denial of service (DoS) attack.
The vulnerability exists due to improper locking within the disable_slot() function in drivers/pci/hotplug/s390_pci_hpc.c. A local user can perform a denial of service (DoS) attack.
Remediation
Install update from vendor's website.