CVE-2023-2861
qemu - security update
7.1
HIGH
CVSS 3.1
EPSS 0.05%
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.
How to fix CVE-2023-2861
To remediate CVE-2023-2861, upgrade the affected package to a fixed version below.
- —no fix listed
- —upgrade to 1:3.1+dfsg-8+deb10u12 or later
Is CVE-2023-2861 being exploited?
Low — EPSS is 0.0%, meaning exploitation activity has not been observed at scale.
Affected packages (2)
- from 0
- from 0, < 1:3.1+dfsg-8+deb10u12
CVSS scores
| Source | Version | Severity | Vector |
|---|---|---|---|
| osv | CVSS 3.1 | HIGH7.1 | CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:N |