kernel: Linux kernel t7xx WWAN driver: Denial of Service via buffer overflow

A flaw was found in the Linux kernel's t7xx WWAN driver. A malicious, buggy, or compromised modem firmware can exploit this by sending packets with excessive fragments. This leads to a buffer overflow in the skbshinfoskb-frags array, corrupting adjacent memory. This can result in kernel crashes o...

CVE-2026-74263

In the Linux kernel, the following vulnerability has been resolved: net: wwan: t7xx: check skbclone in control TX t7xxportctrltx clones each skb fragment before passing it to the port transmit path. The clone is used immediately to set cloned-len, so an skbclone failure results in a NULL pointer...