VULNERABILITY INTELLIGENCE

CVE-2023-2861

CVSS score6 MEDIUM
EPSS probability0.38%
CISA KEVNot currently listed
Published2023-12-06
Last modified2026-06-17
CVSS vectorCVSS:3.1/AV:L/AC:L/PR:H/UI:N/S:U/C:H/I:H/A:N

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.

Weakness classification

  • patrick@puiterwijk.org: CWE-284
  • nvd@nist.gov: NVD-CWE-Other

Primary references