Vulnerability in Qemu
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 · last modified .
CVSS v3 metric
CVSS v3 base score 6.0 (Medium). Vector: CVSS:3.1/AV:L/AC:L/PR:H/UI:N/S:U/C:H/I:H/A:N.
EPSS exploit prediction
EPSS: 0.004 (29.0th percentile), scored .
Very low probability of exploitation in the next 30 days; routine patching cadence is appropriate. 29th percentile — 29.0% of CVEs in the catalogue have a lower EPSS than this one. How to read EPSS.
EPSS over last 30 days · oldest: 0.004 · newest: 0.004 · change: 0.000
Affected products
Weakness classification (CWE)
References
- access.redhat.com/security/cve/CVE-2023-2861 (vdb-entry, Vendor Advisory)
- bugzilla.redhat.com/show_bug.cgi (issue-tracking, Patch, Issue Tracking)
- lists.debian.org/debian-lts-announce/2024/03/msg00012.html
- security.netapp.com/advisory/ntap-20240125-0005/
- security.netapp.com/advisory/ntap-20240229-0002/
Frequently asked questions
- What is CVE-2023-2861?
- CVE-2023-2861 is a medium-severity vulnerability in Qemu, classified under Improper Access Control. CVSS score: 6.0/10. Published 2023-12-06.
- How severe is CVE-2023-2861?
- Medium severity. CVSS v3 base score is 6.0 out of 10.