Buffer Overflow Affecting virtio-win/kvm-guest-drivers-windows package, versions [,316)
Threat Intelligence
The probability is the direct output of the EPSS model, and conveys an overall sense of the threat of exploitation in the wild. The percentile measures the EPSS probability relative to all known EPSS scores. Note: This data is updated daily, relying on the latest available EPSS model version. Check out the EPSS documentation for more details.
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Test your applications- Snyk IDSNYK-UNMANAGED-VIRTIOWINKVMGUESTDRIVERSWINDOWS-15871022
- published1 Apr 2026
- disclosed30 Mar 2026
- creditUnknown
Introduced: 30 Mar 2026
CVE-2026-5164 (opens in a new tab)How to fix?
Upgrade virtio-win/kvm-guest-drivers-windows to version 316 or higher.
Overview
Affected versions of this package are vulnerable to Buffer Overflow in the RhelDoUnMap function when handling unmap requests. An attacker can cause a buffer overrun and crash the system by supplying an excessive number of descriptors.