SB2025070510 - Use-after-free in Linux kernel nvme host driver



SB2025070510 - Use-after-free in Linux kernel nvme host driver

Published: July 5, 2025

Security Bulletin ID SB2025070510
Severity
Low
Patch available
YES
Number of vulnerabilities 1
Exploitation vector Local access
Highest impact Code execution

Breakdown by Severity

Low 100%
  • Low
  • Medium
  • High
  • Critical

Description

This security bulletin contains information about 1 security vulnerability.


1) Use-after-free (CVE-ID: CVE-2025-38209)

The vulnerability allows a local user to escalate privileges on the system.

The vulnerability exists due to a use-after-free error within the nvme_tcp_setup_ctrl() function in drivers/nvme/host/tcp.c. A local user can escalate privileges on the system.


Remediation

Install update from vendor's website.