MEDIUM · 4.7

CVE-2018-19489

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.

Vulnerability Description

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.

CVSS Score

4.7

MEDIUM

CVSS:3.1/AV:L/AC:H/PR:L/UI:N/S:U/C:N/I:N/A:H
Attack Vector
LOCAL
Attack Complexity
HIGH
Privileges Required
LOW
User Interaction
NONE
Scope
UNCHANGED
Confidentiality
NONE
Integrity
NONE
Availability
HIGH

Affected Products

VendorProductVersions
QemuQemu<= 3.0.0
DebianDebian Linux8.0
FedoraprojectFedora29
CanonicalUbuntu Linux14.04
OpensuseLeap42.3

Related Weaknesses (CWE)

References

FAQ

What is CVE-2018-19489?

CVE-2018-19489 is a vulnerability with a CVSS score of 4.7 (MEDIUM). 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.

How severe is CVE-2018-19489?

CVE-2018-19489 has been rated MEDIUM with a CVSS base score of 4.7/10. Review the CVSS metrics above for detailed severity breakdown.

Is there a patch for CVE-2018-19489?

Check the references section above for vendor advisories and patch information. Affected products include: Qemu Qemu, Debian Debian Linux, Fedoraproject Fedora, Canonical Ubuntu Linux, Opensuse Leap.