Medium severity · published Mar 27, 2019
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
6.3
CVSS
1.5%
EPSS
No
On KEV
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 vector
CVSS:3.0/AV:N/AC:H/PR:L/UI:N/S:C/C:N/I:N/A:H
Attack vector
Network
Complexity
High
Privileges
Low
User interaction
None
Confidentiality
None
Integrity
None
Availability
High
Scope
Changed
Exploitation
Is it being used?
Exploit prediction (EPSS)1.5% · higher than 74% of CVEs
Exploited in the wildNo evidence yet
CISA KEVNot listed
Ransomware campaign useNot known
Affected products
Which versions
LE
Leap · Opensuse
15.0; 42.3 · source: NVD
LI
Libvirt · Redhat
before 5.0.0 · source: NVD
References
NVD
https://nvd.nist.gov/vuln/detail/CVE-2019-3840
CVE.org
https://www.cve.org/CVERecord?id=CVE-2019-3840
Mailing List
http://lists.opensuse.org/opensuse-security-announce/2019-04/msg00101.html
Mailing List
http://lists.opensuse.org/opensuse-security-announce/2019-04/msg00105.html
access.redhat.com
https://access.redhat.com/errata/RHSA-2019:2294
Exploit
https://bugzilla.redhat.com/show_bug.cgi?id=1663051
Exploit
https://bugzilla.redhat.com/show_bug.cgi?id=CVE-2019-3840
lists.fedoraproject.org
https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/TZRP2BRMI4RYFRPNFTTIAAUOGVN2ORP7/
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