EUVD-2026-66467

In the Linux kernel, the following vulnerability has been resolved: s390/vfioccw: Ensure index for read/write regions are within range The introduction of the capability chain rightly clamped the region indexes to the range of the capabilities itself, but neglected to do so for the existing...

CVE-2026-80552

In the Linux kernel, the following vulnerability has been resolved: s390/vfioccw: Ensure index for read/write regions are within range The introduction of the capability chain rightly clamped the region indexes to the range of the capabilities itself, but neglected to do so for the existing...

CVE-2026-80552

CVE-2026-80552 affects the Linux kernel on s390 architectures, specifically the vfio_ccw driver. When the capability chain was introduced, it correctly clamped region indexes to the capability range but neglected to apply the same bounds check to existing read/write regions , allowing out-of-rang...