SB2026012406 - Incorrect calculation in Linux kernel infiniband core driver
Published: January 24, 2026
Security Bulletin ID
SB2026012406
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) Incorrect calculation (CVE-ID: CVE-2025-71157)
The vulnerability allows a local user to perform a denial of service (DoS) attack.
The vulnerability exists due to incorrect calculation within the ib_del_sub_device_and_put() function in drivers/infiniband/core/device.c. A local user can perform a denial of service (DoS) attack.
Remediation
Install update from vendor's website.