CVE-2026-64188

In the Linux kernel RMNET net path, CVE-2026-64188 stems from use-after-free: rmnet_dellink() frees a rmnet_endpoint with kfree() while RCU readers may still reference ep->egress_dev, risking a fault in the receive path. The fix adds an rcu_head to struct rmnet_endpoint and replaces kfree() wi...

CVE-2026-64188 net: qualcomm: rmnet: fix endpoint use-after-free in rmnet_dellink()

In the Linux kernel, the following vulnerability has been resolved: net: qualcomm: rmnet: fix endpoint use-after-free in rmnetdellink rmnetdellink removes the endpoint from the hash table with hlistdelinitrcu and then immediately frees it with kfree. However, RCU readers on the receive path...