CVE-2026-80547

Description

In the Linux kernel, the following vulnerability has been resolved: s390/vfio_ccw: Implement a crw lock Unlike the channel_program struct, which covers synchronous I/O submissions and asynchronous interrupts, the CRW region relies exclusively on asynchronous events coming from hardware. Implement a lock to manage the list of those payloads, to ensure they are read cohesively.

CVSS Vector

References

• https://git.kernel.org/stable/c/16b0798024c0e9117e395829ddbbe70981c79d9c
• https://git.kernel.org/stable/c/49fa26b0df009dc1f420980bd71780e70615b83b
• https://git.kernel.org/stable/c/7902be374cbfc11c3435e1e87bf22195bf06a558
• https://git.kernel.org/stable/c/c76c4ee72bfc3824f4f491f18ed0323bf2e2daf9