CVE-2026-5164 — Virtio-win: virtio-win: denial of service via unvalidated descriptor count in unmap request
A flaw was found in virtio-win. The `RhelDoUnMap()` function does not properly validate the number of descriptors provided by a user during an unmap request. A local user could …
Published: 2026-03-30 · CVSS: 6.7 · CVSS 3.1
A flaw was found in virtio-win. The `RhelDoUnMap()` function does not properly validate the number of descriptors provided by a user during an unmap request. A local user could exploit this input validation vulnerability by supplying an excessive number of descriptors, leading to a buffer overrun. This can cause a system crash, resulting in a Denial of Service (DoS).
Source: CVE Program · Revision 8b16575c39f1e1810c5e863010da073d2d3285e7