CyberRota Analysis
AI-GeneratedThe vulnerability affects the Linux kernel's handling of skb fragments in the t7xx driver, where a failure in the skb_clone function can lead to a NULL pointer dereference. This could potentially disrupt the transmission of data, impacting the stability and reliability of network communications. Organizations using Linux systems with the t7xx driver should prioritize addressing this issue to maintain operational integrity and prevent potential service disruptions.
Original NVD Description
In the Linux kernel, the following vulnerability has been resolved: net: wwan: t7xx: check skb_clone in control TX t7xx_port_ctrl_tx() clones each skb fragment before passing it to the port transmit path. The clone is used immediately to set cloned->len, so an skb_clone() failure results in a NULL pointer dereference. Check the clone before using it. If previous fragments were already queued, preserve the driver's existing partial-write behavior by returning the number of bytes submitted so far.