SB2025070499 - Resource management error in Linux kernel md driver
Published: July 4, 2025
Security Bulletin ID
SB2025070499
Severity
Low
Patch available
YES
Number of vulnerabilities
1
Exploitation vector
Local access
Highest impact
Denial of service
Breakdown by Severity
- Low
- Medium
- High
- Critical
Description
This security bulletin contains information about 1 security vulnerability.
1) Resource management error (CVE-ID: CVE-2025-38140)
The vulnerability allows a local user to perform a denial of service (DoS) attack.
The vulnerability exists due to resource management error within the __bind() function in drivers/md/dm.c, within the dm_revalidate_zones() and dm_set_zones_restrictions() functions in drivers/md/dm-zone.c, within the dm_table_has_no_data_devices(), dm_table_supports_atomic_writes() and dm_table_set_restrictions() functions in drivers/md/dm-table.c. A local user can perform a denial of service (DoS) attack.
Remediation
Install update from vendor's website.