SB2025090854 - NULL pointer dereference in Linux kernel mm
Published: September 8, 2025
Security Bulletin ID
SB2025090854
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) NULL pointer dereference (CVE-ID: CVE-2025-39725)
The vulnerability allows a local user to perform a denial of service (DoS) attack.
The vulnerability exists due to NULL pointer dereference within the get_hwpoison_page() function in mm/memory-failure.c. A local user can perform a denial of service (DoS) attack.
Remediation
Install update from vendor's website.