SB20250529150 - NULL pointer dereference in Linux kernel net

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Main Vulnerability Database SB20250529150

SB20250529150 - NULL pointer dereference in Linux kernel net

Published: May 29, 2025

Security Bulletin ID SB20250529150
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-2025-37992)

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

The vulnerability exists due to NULL pointer dereference within the pie_change() function in net/sched/sch_pie.c, within the hhf_change() function in net/sched/sch_hhf.c, within the fq_pie_change() function in net/sched/sch_fq_pie.c, within the fq_codel_change() function in net/sched/sch_fq_codel.c, within the fq_change() function in net/sched/sch_fq.c, within the codel_change() function in net/sched/sch_codel.c. A local user can perform a denial of service (DoS) attack.


Remediation

Install update from vendor's website.

References