Vulnerability Details : CVE-2023-2861

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.
Published 2023-12-06 07:15:41
Updated 2024-03-11 18:15:16
Source Fedora Project
View at NVD,   CVE.org
Vulnerability category: BypassGain privilege

Products affected by CVE-2023-2861

Exploit prediction scoring system (EPSS) score for CVE-2023-2861

EPSS FAQ
0.05%
Probability of exploitation activity in the next 30 days EPSS Score History
~ 15 %
Percentile, the proportion of vulnerabilities that are scored at or less

CVSS scores for CVE-2023-2861

Base Score Base Severity CVSS Vector Exploitability Score Impact Score Score Source First Seen
7.1
 HIGH CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:N
1.8
5.2
 NIST
6.0
 MEDIUM CVSS:3.1/AV:L/AC:L/PR:H/UI:N/S:U/C:H/I:H/A:N
0.8
5.2
 Fedora Project

CWE ids for CVE-2023-2861

  • The product does not restrict or incorrectly restricts access to a resource from an unauthorized actor.
    Assigned by: patrick@puiterwijk.org (Secondary)

References for CVE-2023-2861

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