SB2025082877 - Improper locking in Linux kernel nvme target driver
Published: August 28, 2025
Security Bulletin ID
SB2025082877
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-2025-38658)
The vulnerability allows a local user to perform a denial of service (DoS) attack.
The vulnerability exists due to improper locking within the nvmet_pci_epf_queue_response() and nvmet_pci_epf_exec_iod_work() functions in drivers/nvme/target/pci-epf.c. A local user can perform a denial of service (DoS) attack.
Remediation
Install update from vendor's website.