CVE-2019-3840
UnknownEPSS 1.51%
Last modified
CVE-2019-3840 is a vulnerability of currently unknown severity. 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.. EPSS estimates a 1.51% chance of exploitation in the next 30 days.
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.
Metrics
Weakness Enumeration
Affected Software
| Vendor | Product | Versions |
|---|---|---|
| Redhat | Libvirt | < 5.0.0 |
| Opensuse | Leap | 15.0 |
| Opensuse | Leap | 42.3 |
References
- http://lists.opensuse.org/opensuse-security-announce/2019-04/msg00101.htmlMailing List, Third Party Advisory
- http://lists.opensuse.org/opensuse-security-announce/2019-04/msg00105.htmlMailing List, Third Party Advisory
- https://bugzilla.redhat.com/show_bug.cgi?id=1663051Exploit, Issue Tracking, Third Party Advisory, Vendor Advisory
- https://bugzilla.redhat.com/show_bug.cgi?id=CVE-2019-3840Exploit, Issue Tracking, Patch, Vendor Advisory
- https://www.redhat.com/archives/libvir-list/2019-January/msg00241.htmlExploit, Vendor Advisory
- http://lists.opensuse.org/opensuse-security-announce/2019-04/msg00101.htmlMailing List, Third Party Advisory
- http://lists.opensuse.org/opensuse-security-announce/2019-04/msg00105.htmlMailing List, Third Party Advisory
- https://bugzilla.redhat.com/show_bug.cgi?id=1663051Exploit, Issue Tracking, Third Party Advisory, Vendor Advisory
- https://bugzilla.redhat.com/show_bug.cgi?id=CVE-2019-3840Exploit, Issue Tracking, Patch, Vendor Advisory
- https://www.redhat.com/archives/libvir-list/2019-January/msg00241.htmlExploit, Vendor Advisory
Timeline
- Published
- Last Modified
- Status
- Modified
Frequently Asked Questions
What is CVE-2019-3840?
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.
How severe is CVE-2019-3840?
Severity scoring for CVE-2019-3840 is pending analysis. The EPSS model estimates a 1.51% probability of exploitation in the next 30 days.
How do I fix CVE-2019-3840?
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-2019-3840?
Run a free Strix scan to check your systems for this vulnerability.
Scan your code nowSource: NVD / NIST