Directory traversal vulnerability in hw/9pfs/9p.c in QEMU (aka Quick Emulator) allows…
Priority LOW 28CWE-22Published · Updated
Key facts
- Attack vector
- Local
- Privileges required
- High
- User interaction
- None
- Attack complexity
- Low
- Impact type
- Information disclosure
- Confidentiality · integrity · availability
- High · None · None
- Fix status
- Will not fix Red Hat: no fix planned
Attack profile from CVSS 3.1 · NVD. Fix status from CNA and Red Hat. Impact type from CWE-22 and the CVSS impact.
Summary
Directory traversal vulnerability in hw/9pfs/9p.c in QEMU (aka Quick Emulator) allows local guest OS administrators to access host files outside the export path via a .. (dot dot) in an unspecified string.
Why it matters now
EPSS 0.00627 50th percentileScored 2026-11-07
Fix Will not fix Red Hat: no fix planned
SSVC decision points
Not available: CISA has not published SSVC decision points for this record.
Affected products
| Vendor | Product | Affected versions | Fixed in | Status | Source |
|---|---|---|---|---|---|
| — | — | all versions | — | No fix listed | CNA |
- — Vendor— Affected all versions Fixed in — No fix listed CNA
CPE configurations NVD · 7
| CPE | Versions | Role | Vendor |
|---|---|---|---|
| cpe:2.3:a:qemu:qemu:*:*:*:*:*:*:*:* | up to 2.6.2 | Vulnerable | QEMU |
| cpe:2.3:a:qemu:qemu:2.7.0:rc0:*:*:*:*:*:* | 2.7.0 rc0 | Vulnerable | QEMU |
| cpe:2.3:a:qemu:qemu:2.7.0:rc1:*:*:*:*:*:* | 2.7.0 rc1 | Vulnerable | QEMU |
| cpe:2.3:a:qemu:qemu:2.7.0:rc2:*:*:*:*:*:* | 2.7.0 rc2 | Vulnerable | QEMU |
| cpe:2.3:a:qemu:qemu:2.7.0:rc3:*:*:*:*:*:* | 2.7.0 rc3 | Vulnerable | QEMU |
| cpe:2.3:a:qemu:qemu:2.7.0:rc4:*:*:*:*:*:* | 2.7.0 rc4 | Vulnerable | QEMU |
| cpe:2.3:o:debian:debian_linux:8.0:*:*:*:*:*:*:* | 8.0 | Vulnerable | Debian |
- cpe:2.3:a:qemu:qemu:*:*:*:*:*:*:*:* Versions up to 2.6.2 Vulnerable ·QEMU
- cpe:2.3:a:qemu:qemu:2.7.0:rc0:*:*:*:*:*:* Versions 2.7.0 rc0 Vulnerable ·QEMU
- cpe:2.3:a:qemu:qemu:2.7.0:rc1:*:*:*:*:*:* Versions 2.7.0 rc1 Vulnerable ·QEMU
- cpe:2.3:a:qemu:qemu:2.7.0:rc2:*:*:*:*:*:* Versions 2.7.0 rc2 Vulnerable ·QEMU
- cpe:2.3:a:qemu:qemu:2.7.0:rc3:*:*:*:*:*:* Versions 2.7.0 rc3 Vulnerable ·QEMU
- cpe:2.3:a:qemu:qemu:2.7.0:rc4:*:*:*:*:*:* Versions 2.7.0 rc4 Vulnerable ·QEMU
- cpe:2.3:o:debian:debian_linux:8.0:*:*:*:*:*:*:* Versions 8.0 Vulnerable ·Debian
Remediation
No fixed version listed by the sources yet.
Vendor assessments
Red Hat
Red Hat rating: Low. Red Hat's page for this CVE →
| Product | Status | Plan or fix |
|---|---|---|
| Red Hat Enterprise Linux 7 | Affected | No fix planned: Will not fix |
Not affected: 6 products
- Red Hat Enterprise Linux 5
- Red Hat Enterprise Linux 6
- Red Hat Enterprise Linux OpenStack Platform 5 (Icehouse)
- Red Hat Enterprise Linux OpenStack Platform 6 (Juno)
- Red Hat Enterprise Linux OpenStack Platform 7 (Kilo)
- Red Hat OpenStack Platform 8 (Liberty)
Timeline
- 2026-10-02 Threatist record created from CVE-2016-7116
- 2026-10-03 Alias added: GHSA-x8xq-jr3x-4wjr
- 2026-10-30 EPSS moved to the 50th–90th percentile
References
Advisory 6
- [qemu-devel] 20160826 [PATCH v2 0/5] 9P security fixes
- [oss-security] 20160830 Re: CVE request: Qemu: 9p: directory traversal flaw in 9p virtio backend
- GLSA-201609-01
- [debian-lts-announce] 20181130 [SECURITY] [DLA 1599-1] qemu security update
- [oss-security] 20160830 CVE request: Qemu: 9p: directory traversal flaw in 9p virtio backend
- [qemu-devel] 20160830 [PATCH v4 0/3] 9pfs security fixes
Sources
- CVE-2016-7116 · CVE Program
- CVE-2016-7116 · NVD
- FIRST EPSS
- GHSA-x8xq-jr3x-4wjr · GitHub Advisory Database · CC BY 4.0
- CVE-2016-7116 · Red Hat security data · CC BY 4.0
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