CVE-2026-74515

CVE-2026-74515 concerns the Linux kernel, specifically KVM on s390 for PCI (zPCI). The issue arises when enabling adapter interrupt forwarding: the MPCIFC instruction forbids registering interrupts without unregistering first, so a second or repeated enable request for the same device is rejected...

PT-2026-72967

Name of the Vulnerable Software and Affected Versions Linux kernel affected versions not specified Description An issue exists in the KVM s390 pci component where the MPCIFC instruction does not allow registering adapter interrupts without first unregistering them. This leads to a condition where...