CVE-2019-3840: opensuse leap NULL Pointer Dereference
Vulnerability summary
CVE-2019-3840 is a medium (CVSS 6.3) NULL Pointer Dereference vulnerability in opensuse leap. EPSS estimates a 1.48% chance of exploitation in the next 30 days, higher than 73.7% of scored vulnerabilities. 3 public exploits are recorded.
Advisory lineage
Upstream 0 · Downstream 2 · Related 2Timeline
- 27-03-2019PublishedVulnerability first disclosed.
- 04-08-2024Last modifiedVulnerability information updated.
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 metrics
6 scores · 5 sources · 2 versions- CVE.orgCNA5.8MediumCVSS:3.0/AV:N/AC:H/PR:L/UI:R/S:C/C:N/I:N/A:HDiffers
- OSV · Red hatEcosystem advisory · calculated5.8MediumCVSS:3.0/AV:N/AC:H/PR:L/UI:R/S:C/C:N/I:N/A:HDiffers
- OSV · UbuntuEcosystem advisory · calculated5.8MediumCVSS:3.0/AV:N/AC:H/PR:L/UI:R/S:C/C:N/I:N/A:HDiffers
- OSV · DebianEcosystem advisory · calculated6.3MediumCVSS:3.0/AV:N/AC:H/PR:L/UI:N/S:C/C:N/I:N/A:H
EPSS trend
Probability
1.48%
Chance of exploitation in the next 30 days
Percentile
74%
Versus all other CVEs
30-day change
0.00 pp
From 1.48% on 21-09-2026
Known exploited
Compare KEV catalogsNot in any of the 3 tracked catalogs.
Public exploits
3 foundExploit Reference (bugzilla.redhat.com)
Maturity: unknown
Exploit Reference (bugzilla.redhat.com)
Maturity: unknown
Exploit Reference (redhat.com)
Maturity: unknown
Weaknesses
CWE · root causeAffected systems
Redhat33 products
- libvirt< 5.0.0
- libvirt< 0:4.5.0-23.el7
- libvirt-admin< 0:4.5.0-23.el7
- libvirt-bash-completion< 0:4.5.0-23.el7
- libvirt-client< 0:4.5.0-23.el7
Suse7 products
- libvirt&distro=SUSE Enterprise Storage 4< 2.0.0-27.48.1
- libvirt&distro=SUSE Linux Enterprise Module for Basesystem 15< 4.0.0-9.16.7
- libvirt&distro=SUSE Linux Enterprise Module for Server Applications 15< 4.0.0-9.16.7
- libvirt&distro=SUSE Linux Enterprise Server 12 SP2-BCL< 2.0.0-27.48.1
- libvirt&distro=SUSE Linux Enterprise Server 12 SP2-LTSS< 2.0.0-27.48.1
Opensuse2 products
- leapEOL15.0 | 42.3
- libvirt&distro=openSUSE Leap 15.0< 4.0.0-lp150.7.10.4
Debian1 product
- libvirt< 5.0.0-1
Mageia1 product
- libvirt< 3.10.0-1.5.mga6
The libvirt project1 product
- libvirt5.0.0
Ubuntu1 product
- libvirt< 1.3.1-1ubuntu10.25 | < 4.0.0-1ubuntu8.8
7 vendors · 46 products
References
80 links- bugzilla.redhat.com/show_bug.cgi?id=CVE-2019-3840X Refsource CONFIRMExploitIssue TrackingPatchVendor Advisory
- bugzilla.redhat.com/show_bug.cgi?id=1663051X Refsource CONFIRMREPORTExploitIssue TrackingThird Party AdvisoryVendor Advisory
- www.redhat.com/archives/libvir-list/2019-January/msg00241.htmlX Refsource CONFIRMREPORTExploitVendor Advisory
- lists.opensuse.org/opensuse-security-announce/2019-04/msg00101.htmlVendor AdvisoryX Refsource SUSEMailing ListThird Party Advisory
- lists.opensuse.org/opensuse-security-announce/2019-04/msg00105.htmlVendor AdvisoryX Refsource SUSEMailing ListThird Party Advisory
Show all 80 references
- lists.opensuse.org/archives/…Advisory