SB20260113109 - NULL pointer dereference in Linux kernel infiniband core driver
Published: January 13, 2026
Security Bulletin ID
SB20260113109
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-2025-71096)
The vulnerability allows a local user to perform a denial of service (DoS) attack.
The vulnerability exists due to NULL pointer dereference within the ib_nl_handle_ip_res_resp() function in drivers/infiniband/core/addr.c. A local user can perform a denial of service (DoS) attack.
Remediation
Install update from vendor's website.
References
- https://git.kernel.org/stable/c/0b948afc1ded88b3562c893114387f34389eeb94
- https://git.kernel.org/stable/c/45532638de5da24c201aa2a9b3dd4b054064de7b
- https://git.kernel.org/stable/c/9d85524789c2f17c0e87de8d596bcccc3683a1fc
- https://git.kernel.org/stable/c/a7b8e876e0ef0232b8076972c57ce9a7286b47ca
- https://git.kernel.org/stable/c/acadd4097d25d6bd472bcb3f9f3eba2b5105d1ec