CVE-2026-80551

Name of the Vulnerable Software and Affected Versions Linux kernel (affected versions not specified)

Description An issue exists in the s390/vfio ccw component where the first Indirect Data Address Word (IDAW) in a list is read separately to calculate the buffer size for the full Indirect Data Address List (IDAL). The system must verify that the address in the first IDAW remains constant between reads to ensure a consistent set of IDAWs is processed.

Recommendations At the moment, there is no information about a newer version that contains a fix for this vulnerability.