EUVD-2026-66465

In the Linux kernel, the following vulnerability has been resolved: s390/vfioccw: Fix out of bounds check on CCW array The routine ccwchaincalclength counts the number of channel command words CCWs that are chained together in a single channel program, and rejects anything larger than...

CVE-2026-80550

CVE-2026-80550 is an out-of-bounds read in the Linux kernel s390/vfio_ccw driver. The function ccwchain_calc_length() iterates over chained channel command words (CCWs) with a do..while (count