SB2025050448 - NULL pointer dereference in Linux kernel md driver 

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Main Vulnerability Database SB2025050448

SB2025050448 - NULL pointer dereference in Linux kernel md driver

Published: May 4, 2025 Updated: May 10, 2025

Security Bulletin ID SB2025050448
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-2023-53044)

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

The vulnerability exists due to NULL pointer dereference within the alloc_dev() function in drivers/md/dm.c, within the dm_stat_in_flight() and dm_stats_init() functions in drivers/md/dm-stats.c. A local user can perform a denial of service (DoS) attack.


Remediation

Install update from vendor's website.

References