SB20260114151 - NULL pointer dereference in Linux kernel md driver
Published: January 14, 2026
Security Bulletin ID
SB20260114151
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-2025-71135)
The vulnerability allows a local user to perform a denial of service (DoS) attack.
The vulnerability exists due to NULL pointer dereference within the raid5_store_group_thread_cnt() function in drivers/md/raid5.c. A local user can perform a denial of service (DoS) attack.
Remediation
Install update from vendor's website.