CVE-2026-5164

| EUVD-2026-17111 MEDIUM
2026-03-30 redhat GHSA-6457-73j6-h3qg
6.7
CVSS 3.1
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CVSS Vector

CVSS:3.1/AV:L/AC:L/PR:H/UI:N/S:U/C:H/I:H/A:H
Attack Vector
Local
Attack Complexity
Low
Privileges Required
High
User Interaction
None
Scope
Unchanged
Confidentiality
High
Integrity
High
Availability
High

Lifecycle Timeline

3
Analysis Generated
Mar 30, 2026 - 15:15 vuln.today
EUVD ID Assigned
Mar 30, 2026 - 15:15 euvd
EUVD-2026-17111
CVE Published
Mar 30, 2026 - 15:02 nvd
MEDIUM 6.7

Tags

Buffer Overflow Denial Of Service

Description

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).

Analysis

Buffer overflow in virtio-win's RhelDoUnMap() function allows local privileged users to trigger a denial of service by supplying an excessive number of descriptors during unmap operations, causing system crashes. Affects Red Hat Enterprise Linux 8, 9, and 10 across multiple architectures. …

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Priority Score

34
Low Medium High Critical
KEV: 0
EPSS: +0.0
CVSS: +34
POC: 0

Vendor Status

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CVE-2026-5164 vulnerability details – vuln.today
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