SB2026012624 - NULL pointer dereference in Linux kernel nvme target driver



SB2026012624 - NULL pointer dereference in Linux kernel nvme target driver

Published: January 26, 2026

Security Bulletin ID SB2026012624
Severity
Low
Patch available
YES
Number of vulnerabilities 1
Exploitation vector Local access
Highest impact Denial of service

Breakdown by Severity

Low 100%
  • Low
  • Medium
  • High
  • Critical

Description

This security bulletin contains information about 1 security vulnerability.


1) NULL pointer dereference (CVE-ID: CVE-2026-22998)

The vulnerability allows a local user to perform a denial of service (DoS) attack.

The vulnerability exists due to NULL pointer dereference within the nvmet_tcp_handle_h2c_data_pdu() function in drivers/nvme/target/tcp.c. A local user can perform a denial of service (DoS) attack.


Remediation

Install update from vendor's website.