SB2026020233 - Memory leak in Linux kernel nfs flexfilelayout



SB2026020233 - Memory leak in Linux kernel nfs flexfilelayout

Published: February 2, 2026

Security Bulletin ID SB2026020233
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) Memory leak (CVE-ID: CVE-2026-23038)

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

The vulnerability exists due to memory leak within the nfs4_ff_alloc_deviceid_node() function in fs/nfs/flexfilelayout/flexfilelayoutdev.c. A local user can perform a denial of service (DoS) attack.


Remediation

Install update from vendor's website.