CVE-2023-2861

HighCVSS 7.1/10Last modified Jun 17, 2026

Description

A flaw was found in the 9p passthrough filesystem (9pfs) implementation in QEMU. The 9pfs server did not prohibit opening special files on the host side, potentially allowing a malicious client to escape from the exported 9p tree by creating and opening a device file in the shared folder.

Metrics

CVSS 3.1 7.1/10CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:N

Weakness enumeration

Affected software

No affected versions have been published.

Timeline

Published
Dec 6, 2023
Last modified
Jun 17, 2026
NVD status
Modified

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CVE-2023-2861: High severity, CVSS 7.1 | Vulnix