Memory leak in the v9fs_list_xattr function in hw/9pfs/9p-xattr.c in QEMU (aka Quick…
Priority LOW 29CWE-772Published · Updated
Key facts
- Attack vector
- Local
- Privileges required
- Low
- User interaction
- None
- Attack complexity
- Low
- Impact type
- Denial of service
- Confidentiality · integrity · availability
- None · None · High
- Fix status
- No fix listed
Attack profile from CVSS 3.1 · NVD. Fix status from CNA. Impact type from CWE-772.
Summary
Memory leak in the v9fs_list_xattr function in hw/9pfs/9p-xattr.c in QEMU (aka Quick Emulator) allows local guest OS privileged users to cause a denial of service (memory consumption) via vectors involving the orig_value variable.
Why it matters now
EPSS 0.00423 36th percentileScored 2026-11-07
Fix No fix listed No fixed version in the sources yet
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 · 6
| CPE | Versions | Role | Vendor |
|---|---|---|---|
| cpe:2.3:a:qemu:qemu:*:*:*:*:*:*:*:* | up to 2.8.1 | Vulnerable | QEMU |
| cpe:2.3:a:qemu:qemu:2.9.0:rc0:*:*:*:*:*:* | 2.9.0 rc0 | Vulnerable | QEMU |
| cpe:2.3:a:qemu:qemu:2.9.0:rc1:*:*:*:*:*:* | 2.9.0 rc1 | Vulnerable | QEMU |
| cpe:2.3:a:qemu:qemu:2.9.0:rc2:*:*:*:*:*:* | 2.9.0 rc2 | Vulnerable | QEMU |
| cpe:2.3:a:qemu:qemu:2.9.0:rc3:*:*:*:*:*:* | 2.9.0 rc3 | Vulnerable | QEMU |
| cpe:2.3:o:debian:debian_linux:8.0:*:*:*:*:*:*:* | 8.0 | Vulnerable | Debian |
- cpe:2.3:a:qemu:qemu:*:*:*:*:*:*:*:* Versions up to 2.8.1 Vulnerable ·QEMU
- cpe:2.3:a:qemu:qemu:2.9.0:rc0:*:*:*:*:*:* Versions 2.9.0 rc0 Vulnerable ·QEMU
- cpe:2.3:a:qemu:qemu:2.9.0:rc1:*:*:*:*:*:* Versions 2.9.0 rc1 Vulnerable ·QEMU
- cpe:2.3:a:qemu:qemu:2.9.0:rc2:*:*:*:*:*:* Versions 2.9.0 rc2 Vulnerable ·QEMU
- cpe:2.3:a:qemu:qemu:2.9.0:rc3:*:*:*:*:*:* Versions 2.9.0 rc3 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 →
Not affected: 11 products
- Red Hat Enterprise Linux 5
- Red Hat Enterprise Linux 6
- Red Hat Enterprise Linux 7
- 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 10 (Newton)
- Red Hat OpenStack Platform 11 (Ocata)
- Red Hat OpenStack Platform 12 (Pike)
- Red Hat OpenStack Platform 8 (Liberty)
- Red Hat OpenStack Platform 9 (Mitaka)
Timeline
- 2026-10-02 Threatist record created from CVE-2017-8086
- 2026-10-03 Alias added: GHSA-h6q2-72mf-2c2f
References
Patch 3
Sources
- CVE-2017-8086 · CVE Program
- CVE-2017-8086 · NVD
- FIRST EPSS
- GHSA-h6q2-72mf-2c2f · GitHub Advisory Database · CC BY 4.0
- CVE-2017-8086 · Red Hat security data · CC BY 4.0
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