Findings

CVE-2026-5164

A flaw was found in virtio-win.

Published Mar 30, 2026 · updated Jun 17, 2026 · redhat virtio-win

A flaw was found in virtio-win. The 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).

Code

The project this record applies to. Exploit listings stay in References.

Timeline

Detection, updates, and resolution for this record.

  1. Mar 30, 2026 · NIST NVD

    Detected

    A flaw was found in virtio-win. The 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).

  2. Jun 17, 2026 · NIST NVD

    Updated

    A flaw was found in virtio-win. The 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).

Affected

  • cpe redhat/enterprise linux10.0
  • cpe redhat/enterprise linux9.0
  • cpe redhat/virtio-winversion unspecified

Sources

  • CVE.orgVulnerability recordCVE-2026-5164

    Official CVE identifier

    cve.org
  • NIST NVDVulnerability recordCVE-2026-5164

    A flaw was found in virtio-win. The 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

    nvd.nist.gov

References

CVE-2026-5164 · ZeroDay Findings