SB2025072786 - Race condition within a thread in Linux kernel mm
Published: July 27, 2025
Security Bulletin ID
SB2025072786
CSH Severity
Low
Patch available
YES
Number of vulnerabilities
1
Exploitation vector
Local access
Highest impact
Data manipulation
Breakdown by Severity
- Low
- Medium
- High
- Critical
Description
This security bulletin contains information about 1 vulnerability.
1) Race condition within a thread (CVE-ID: CVE-2025-38383)
CWE-ID: CWE-366 - Race Condition within a Thread
CVSSv4: 4.8 [CVSS:4.0/AV:L/AC:L/AT:N/PR:L/UI:N/VC:N/VI:L/VA:N/SC:N/SI:N/SA:N]
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.