Vulnerability Description
A NULL pointer dereference flaw was discovered in libvirt before version 5.0.0 in the way it gets interface information through the QEMU agent. An attacker in a guest VM can use this flaw to crash libvirtd and cause a denial of service.
CVSS Score
MEDIUM
Affected Products
| Vendor | Product | Versions |
|---|---|---|
| Redhat | Libvirt | < 5.0.0 |
| Opensuse | Leap | 15.0 |
Related Weaknesses (CWE)
References
- http://lists.opensuse.org/opensuse-security-announce/2019-04/msg00101.htmlMailing ListThird Party Advisory
- http://lists.opensuse.org/opensuse-security-announce/2019-04/msg00105.htmlMailing ListThird Party Advisory
- https://access.redhat.com/errata/RHSA-2019:2294
- https://bugzilla.redhat.com/show_bug.cgi?id=1663051ExploitIssue TrackingThird Party Advisory
- https://bugzilla.redhat.com/show_bug.cgi?id=CVE-2019-3840ExploitIssue TrackingPatch
- https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedorapro
- https://www.redhat.com/archives/libvir-list/2019-January/msg00241.htmlExploitVendor Advisory
- http://lists.opensuse.org/opensuse-security-announce/2019-04/msg00101.htmlMailing ListThird Party Advisory
- http://lists.opensuse.org/opensuse-security-announce/2019-04/msg00105.htmlMailing ListThird Party Advisory
- https://access.redhat.com/errata/RHSA-2019:2294
- https://bugzilla.redhat.com/show_bug.cgi?id=1663051ExploitIssue TrackingThird Party Advisory
- https://bugzilla.redhat.com/show_bug.cgi?id=CVE-2019-3840ExploitIssue TrackingPatch
- https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedorapro
- https://www.redhat.com/archives/libvir-list/2019-January/msg00241.htmlExploitVendor Advisory
FAQ
What is CVE-2019-3840?
CVE-2019-3840 is a vulnerability with a CVSS score of 5.8 (MEDIUM). A NULL pointer dereference flaw was discovered in libvirt before version 5.0.0 in the way it gets interface information through the QEMU agent. An attacker in a guest VM can use this flaw to crash lib...
How severe is CVE-2019-3840?
CVE-2019-3840 has been rated MEDIUM with a CVSS base score of 5.8/10. Review the CVSS metrics above for detailed severity breakdown.
Is there a patch for CVE-2019-3840?
Check the references section above for vendor advisories and patch information. Affected products include: Redhat Libvirt, Opensuse Leap.