CVE-2025-39857

Name of the Vulnerable Software and Affected Versions Linux kernel versions 6.17.0-rc2+ and earlier

Description A NULL pointer dereference issue was identified in the smc ib is sg need sync() function within the smc module of the Linux kernel. This occurs when the software RoCE device is used, resulting in ibdev->dma device being a null pointer. A fix was implemented by adding null pointer detection to prevent this issue.

Recommendations Linux kernel versions prior to 6.17.0-rc2+ should be updated.