CVE-2026-80547

A flaw was found in the Linux kernel's s390/vfioccw component. This vulnerability arises from the lack of a proper lock to manage the list of Channel Report Word CRW payloads, which are asynchronous events from hardware. Without this lock, these payloads may not be read cohesively, potentially...

CVE-2026-80547

In the Linux kernel, the following vulnerability has been resolved: s390/vfioccw: Implement a crw lock Unlike the channelprogram struct, which covers synchronous I/O submissions and asynchronous interrupts, the CRW region relies exclusively on asynchronous events coming from hardware. Implement a...