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Vulnerability Detail

CVE-2026-101311 Verified Sceawere Triage Sources: NVD / CISA KEV

Vulnerability Metadata

Severity
High
Score / CVSS
7
Creation Date
8h ago
Vendor
FreeBSD
Product
FreeBSD
Attack Type
CWE-362: Concurrent Execution using Shared Resource with Improper Synchronization ('Race Condition')
Vector String
CVSS:3.1/AV:L/AC:H/PR:L/UI:N/S:U/C:H/I:H/A:H
Attack Complexity
HIGH

Narrative and Response

Description

The framebuffer device model's maximum resolution constants were duplicated between the framebuffer and RFB modules and had gotten out of sync. Additionally, writes to the framebuffer BAR could set arbitrary width and height values without validation, and the framebuffer BAR I/O and RFB rendering threads were not synchronized. A malicious guest can crash the bhyve process or potentially execute arbitrary code in the host userspace context running the virtual machine, subject to bhyve's Capsicum sandbox.

Executive Summary

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Technical Details

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Duis aute irure dolor in reprehenderit in voluptate velit esse cillum dolore eu fugiat nulla pariatur. Excepteur sint occaecat cupidatat non proident, sunt in culpa qui officia deserunt mollit anim id est laborum.

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Mitigations

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Duis aute irure dolor in reprehenderit in voluptate velit esse cillum dolore eu fugiat nulla pariatur. Excepteur sint occaecat cupidatat non proident, sunt in culpa qui officia deserunt mollit anim id est laborum.

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References

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Duis aute irure dolor in reprehenderit in voluptate velit esse cillum dolore eu fugiat nulla pariatur. Excepteur sint occaecat cupidatat non proident, sunt in culpa qui officia deserunt mollit anim id est laborum.

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Additional Metadata

{
  "score": "7.0",
  "pubDate": "2026-10-15T08:16:36.423Z",
  "pubdate": "2026-10-15T08:16:36.423Z"
}
CVE-2026-101311: CVE-2026-101311 Vulnerability (HIGH Severity, CVSS: 7.0) | Sceawere