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TI-2018-13796 Aliases CVE-2018-19489GHSA-fh27-82wq-79r2

v9fs_wstat in hw/9pfs/9p.c in QEMU allows guest OS users to cause a denial of service…

Priority LOW 22CWE-362Published · Updated

Key facts

Attack vector
Local
Privileges required
Low
User interaction
None
Attack complexity
High
Impact type
—
Confidentiality · integrity · availability
None · None · High
Fix status
No fix listed

Attack profile from CVSS 3.1 · NVD. Fix status from CNA.

Summary

v9fs_wstat in hw/9pfs/9p.c in QEMU allows guest OS users to cause a denial of service (crash) because of a race condition during file renaming.

Why it matters now

EPSS 0.00403 34th 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

VendorProductAffected versionsFixed inStatusSource
——all versions—No fix listedCNA
  • — Vendor— Affected all versions Fixed in — No fix listed CNA

CPE configurations NVD · 12

CPEVersionsRoleVendor
cpe:2.3:a:qemu:qemu:*:*:*:*:*:*:*:*up to 3.0.0VulnerableQEMU
cpe:2.3:a:qemu:qemu:3.1.0:rc0:*:*:*:*:*:*3.1.0 rc0VulnerableQEMU
cpe:2.3:a:qemu:qemu:3.1.0:rc1:*:*:*:*:*:*3.1.0 rc1VulnerableQEMU
cpe:2.3:a:qemu:qemu:3.1.0:rc2:*:*:*:*:*:*3.1.0 rc2VulnerableQEMU
cpe:2.3:o:debian:debian_linux:8.0:*:*:*:*:*:*:*8.0VulnerableDebian
cpe:2.3:o:debian:debian_linux:9.0:*:*:*:*:*:*:*9.0VulnerableDebian
cpe:2.3:o:fedoraproject:fedora:29:*:*:*:*:*:*:*29VulnerableFedoraproject
cpe:2.3:o:canonical:ubuntu_linux:14.04:*:*:*:lts:*:*:*14.04VulnerableCanonical
cpe:2.3:o:canonical:ubuntu_linux:16.04:*:*:*:lts:*:*:*16.04VulnerableCanonical
cpe:2.3:o:canonical:ubuntu_linux:18.04:*:*:*:lts:*:*:*18.04VulnerableCanonical
  • cpe:2.3:a:qemu:qemu:*:*:*:*:*:*:*:* Versions up to 3.0.0 Vulnerable ·QEMU
  • cpe:2.3:a:qemu:qemu:3.1.0:rc0:*:*:*:*:*:* Versions 3.1.0 rc0 Vulnerable ·QEMU
  • cpe:2.3:a:qemu:qemu:3.1.0:rc1:*:*:*:*:*:* Versions 3.1.0 rc1 Vulnerable ·QEMU
  • cpe:2.3:a:qemu:qemu:3.1.0:rc2:*:*:*:*:*:* Versions 3.1.0 rc2 Vulnerable ·QEMU
  • cpe:2.3:o:debian:debian_linux:8.0:*:*:*:*:*:*:* Versions 8.0 Vulnerable ·Debian
  • cpe:2.3:o:debian:debian_linux:9.0:*:*:*:*:*:*:* Versions 9.0 Vulnerable ·Debian
  • cpe:2.3:o:fedoraproject:fedora:29:*:*:*:*:*:*:* Versions 29 Vulnerable ·Fedoraproject
  • cpe:2.3:o:canonical:ubuntu_linux:14.04:*:*:*:lts:*:*:* Versions 14.04 Vulnerable ·Canonical
  • cpe:2.3:o:canonical:ubuntu_linux:16.04:*:*:*:lts:*:*:* Versions 16.04 Vulnerable ·Canonical
  • cpe:2.3:o:canonical:ubuntu_linux:18.04:*:*:*:lts:*:*:* Versions 18.04 Vulnerable ·Canonical
Show 2 more CPE
CPEVersionsRoleVendor
cpe:2.3:o:canonical:ubuntu_linux:18.10:*:*:*:*:*:*:*18.10VulnerableCanonical
cpe:2.3:o:opensuse:leap:42.3:*:*:*:*:*:*:*42.3VulnerableopenSUSE
  • cpe:2.3:o:canonical:ubuntu_linux:18.10:*:*:*:*:*:*:* Versions 18.10 Vulnerable ·Canonical
  • cpe:2.3:o:opensuse:leap:42.3:*:*:*:*:*:*:* Versions 42.3 Vulnerable ·openSUSE

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: 10 products
  • Red Hat Enterprise Linux 5
  • Red Hat Enterprise Linux 6
  • Red Hat Enterprise Linux 7
  • Red Hat Enterprise Linux 8
  • Red Hat OpenStack Platform 10 (Newton)
  • Red Hat OpenStack Platform 12 (Pike)
  • Red Hat OpenStack Platform 13 (Queens)
  • Red Hat OpenStack Platform 14 (Rocky)
  • Red Hat OpenStack Platform 8 (Liberty)
  • Red Hat OpenStack Platform 9 (Mitaka)

Timeline

  1. 2026-10-02 Threatist record created from CVE-2018-19489
  2. 2026-10-03 Alias added: GHSA-fh27-82wq-79r2

References

Patch 2

Advisory 7

Other 1

Sources

This product uses the NVD API but is not endorsed or certified by the NVD. Sources and licences