CVE-2023-2861
Medium
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.
SeverityMedium
CVSS6.0
Exploit probability—
ProductQemu
PublishedDec 6, 2023
First seenDec 6, 2023
Weakness typeCWE-284Improper access control
How to fix
Update
- qemu qemu8.1.0 or later
Affected products
| Product | Affected versions | Fixed in |
|---|---|---|
| qemu qemu | v < 8.1.0 | 8.1.0 |
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