Vulnerability 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.
CVSS Score
MEDIUM
Affected Products
| Vendor | Product | Versions |
|---|---|---|
| Qemu | Qemu | < 8.1.0 |
Related Weaknesses (CWE)
References
- https://access.redhat.com/security/cve/CVE-2023-2861Vendor Advisory
- https://bugzilla.redhat.com/show_bug.cgi?id=2219266Issue TrackingPatch
- https://lists.debian.org/debian-lts-announce/2024/03/msg00012.html
- https://security.netapp.com/advisory/ntap-20240125-0005/
- https://security.netapp.com/advisory/ntap-20240229-0002/
- https://access.redhat.com/security/cve/CVE-2023-2861Vendor Advisory
- https://bugzilla.redhat.com/show_bug.cgi?id=2219266Issue TrackingPatch
- https://lists.debian.org/debian-lts-announce/2024/03/msg00012.html
- https://security.netapp.com/advisory/ntap-20240125-0005/
- https://security.netapp.com/advisory/ntap-20240229-0002/
FAQ
What is CVE-2023-2861?
CVE-2023-2861 is a vulnerability with a CVSS score of 6.0 (MEDIUM). 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 esc...
How severe is CVE-2023-2861?
CVE-2023-2861 has been rated MEDIUM with a CVSS base score of 6.0/10. Review the CVSS metrics above for detailed severity breakdown.
Is there a patch for CVE-2023-2861?
Check the references section above for vendor advisories and patch information. Affected products include: Qemu Qemu.