SB2025072786 - Race condition within a thread in Linux kernel mm



SB2025072786 - Race condition within a thread in Linux kernel mm

Published: July 27, 2025

Security Bulletin ID SB2025072786
Severity
Low
Patch available
YES
Number of vulnerabilities 1
Exploitation vector Local access
Highest impact Data manipulation

Breakdown by Severity

Low 100%
  • Low
  • Medium
  • High
  • Critical

Description

This security bulletin contains information about 1 security vulnerability.


1) Race condition within a thread (CVE-ID: CVE-2025-38383)

The vulnerability allows a local user to corrupt data.

The vulnerability exists due to a data race within the clear_vm_uninitialized_flag(), vmalloc_dump_obj() and vmalloc_info_show() functions in mm/vmalloc.c. A local user can corrupt data.


Remediation

Install update from vendor's website.