DEBIAN-CVE-2026-99133

In the Linux kernel, the following vulnerability has been resolved: net/iucv: fix the recvmsg window update iucvsockrecvmsg sends the HiperSockets-only AFIUCVFLAGWIN without testing the transport, so on a classic z/VM socket iucvsendctrl sizes the skb through a NULL iucv-hsdev. SOMSGLIMIT accepts...

Linux kernel security vulnerabilities

A security vulnerability exists in Linux kernel version 3.2. It stems from iucvsockrecvmsg failing to validate the transmission type before sending AFIUCVFLAGWIN. Additionally, within the spinlock-protected region, iucvsendctrl is invoked to allocate memory, potentially allowing unprivileged...