SB20260325122 - Improper Resource Shutdown or Release in Linux kernel nfc nci
Published: March 25, 2026
Security Bulletin ID
SB20260325122
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 Resource Shutdown or Release (CVE-ID: CVE-2026-23330)
The vulnerability allows a local user to cause a denial of service.
The vulnerability exists due to improper resource management in the NFC subsystem when closing a device. A local user can trigger a memory leak by closing an NFC device while a data exchange is pending, leading to resource exhaustion over time.
Memory is not properly released when a pending data exchange is left uncompleted during device closure, resulting in a gradual loss of available memory.
Remediation
Install update from vendor's website.