CVE-2025-58147

A flaw was found in Xen. Hypercalls using the HVVPSET Sparse format can cause vpmaskset to write out of bounds when converting the bitmap to Xen's format. A buggy or malicious guest can cause Denial of Service DoS affecting the entire host, information leaks, or elevation of privilege...

CVE-2025-58147

This CNA information record relates to multiple CVEs; the text explains which aspects/vulnerabilities correspond to which CVE. Some Viridian hypercalls can specify a mask of vCPU IDs as an input, in one of three formats. Xen has boundary checking bugs with all three formats, which can cause...

CVE-2025-58147

CVE-2025-58147 and CVE-2025-58148 describe Xen hypervisor boundary-checking bugs in Viridian hypercalls. Affected: hypercalls using the HV_VP_SET Sparse format can cause vpmask_set() to write out of bounds when converting bitmaps; any input format can cause send_ipi() to read d->vcpu[] out-of-...