Search/CVE-2023-2861
● CVE — Medium

CVE-2023-2861

DiscoveredDec 6, 2023UpdatedNov 21, 2024

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.

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CVSS v3.1
6 MEDIUM
EPSS
0.38%
probability of exploitation in 30 days
CISA KEV
Not listed
no confirmed exploitation reported
News coverage
2
sources referencing this CVE
Related IOCs
0
seen in the same coverage
CVSS v3.1 Detail
Attack VectorLOCAL
Attack ComplexityLOW
Privileges RequiredHIGH
User InteractionNONE
ScopeUNCHANGED
ConfidentialityHIGH
IntegrityHIGH
AvailabilityNONE
CVSS:3.1/AV:L/AC:L/PR:H/UI:N/S:U/C:H/I:H/A:N
Connections
3 relationships
Timeline
disclosure → media coverage
Dec 6, 2023
Disclosure — published as a CVE record. · last revised by NVD Nov 21, 2024
Apr 13, 2026
ubuntu.com reports: USN-8172-1: kvmtool vulnerabilities
Jun 9, 2026
ubuntu.com reports: USN-8412-1: QEMU vulnerabilities