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Linux Kernel ksmbd Free Transport Operations Vulnerability Leading to Kernel Oops

Vulnerability

A vulnerability in the Linux kernel's ksmbd component could lead to a kernel oops error. This issue arises because the free_transport function for TCP connections can be invoked from smbdirect, causing a kernel oops. The vulnerability has been addressed by adding free_transport operations in ksmbd connections and specifying free_transport functions for both TCP and smbdirect.

Impact

Exploitation of this vulnerability causes a kernel oops, which can lead to a system crash or instability.

Added: Jul 10, 2025, 11:28 AM
Updated: Jul 10, 2025, 11:28 AM

Vulnerability Rating

Custom Algorithm
spread
9.0
impact
2.5
exploitability
5.3
remediation
0.0
relevance
0.2
threat
3.2
urgency
2.9
incentive
1.7

Our algorithm analyzes dozens of metrics to generate these 8 key vulnerability categories, which are then combined to calculate the overall risk score.