CVE-2023-2861
Last modified
CVE-2023-2861 is a high-severity vulnerability rated 7.1/10 on the CVSS scale. 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.. EPSS estimates a 0.37% chance of exploitation in the next 30 days.
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/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:N
Weakness Enumeration
Affected Software
| Vendor | Product | Versions |
|---|---|---|
| Qemu | Qemu | < 8.1.0 |
References
- https://access.redhat.com/security/cve/CVE-2023-2861Vendor Advisory
- https://bugzilla.redhat.com/show_bug.cgi?id=2219266Issue Tracking, Patch
- https://access.redhat.com/security/cve/CVE-2023-2861Vendor Advisory
- https://bugzilla.redhat.com/show_bug.cgi?id=2219266Issue Tracking, Patch
Timeline
- Published
- Last Modified
- Status
- Modified
Frequently Asked Questions
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