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vulnerabilityCVE-2023-2861
Name
CVE-2023-2861
Source
NVD ( link)Debian ( link)
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.
Published Date
Updated Date
Workaround
-

Analysis#


Affected Component
Analysis
qemu
Patched

Vulnerability Ratings#


6
CVSSv31
7.1
CVSSv31
NaN
other

Others affected components#


Name
Project
Project Version
Version
Status
buildroot
2025.02.x
9.2.0
Not Affected
buildroot
master
11.0.0
Not Affected
openwrt
master
10.1.3-r2
Not Affected
openwrt
openwrt-25.12
10.1.2-r1
Not Affected
yocto
master
11.0.1
Not Affected
yocto
scarthgap
8.2.7
Not Affected

Resolved with patches#


qemu (yocto:kirkstone)

#
Title
Author
Resolve
1
9pfs: prevent opening special files (CVE-2023-2861)
Christian Schoenebeck <qemu_oss@crudebyte.com>
CVE-2023-2861