CVE-2018-19489

MEDIUMCVSS 4.7/10EPSS 0.40%

Last modified

CVE-2018-19489 is a medium-severity vulnerability rated 4.7/10 on the CVSS scale. 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.. EPSS estimates a 0.40% chance of exploitation in the next 30 days.

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.

Metrics

CVSS 3.1
4.7/10

CVSS:3.1/AV:L/AC:H/PR:L/UI:N/S:U/C:N/I:N/A:H

EPSS Probability
0.40%

32.1th percentile

Probability of exploitation in the next 30 days. Learn more

Weakness Enumeration

Affected Software

VendorProductVersionsUpdate
QemuQemu<= 3.0.0
QemuQemu3.1.0Rc0
DebianDebian Linux8.0
DebianDebian Linux9.0
FedoraprojectFedora29
CanonicalUbuntu Linux14.04
CanonicalUbuntu Linux16.04
CanonicalUbuntu Linux18.04
CanonicalUbuntu Linux18.10
OpensuseLeap42.3

References

Timeline

Published
Last Modified
Status
Modified

Frequently Asked Questions

What is 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.
How severe is CVE-2018-19489?
CVE-2018-19489 has a CVSS score of 4.7/10 (MEDIUM severity). The EPSS model estimates a 0.40% probability of exploitation in the next 30 days.
How do I fix CVE-2018-19489?
Check the vendor references and advisories linked above for patched versions and mitigation guidance. You can also run a Strix scan to test if your systems are affected.

Are you affected by CVE-2018-19489?

Run a free Strix scan to check your systems for this vulnerability.

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Source: NVD / NIST