CVE-2019-3840 - CVE House
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Status published Medium CVE-2019-3840

A NULL pointer dereference flaw was discovered in libvirt before...

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.

Impact Analysis

Refer to official advisory for detailed impact metrics.

Remediation

Ensure systems are updated to the latest vendor-supplied patch levels.

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Credits & Attribution

No credits recorded in the NVD database.

References

More from The libvirt Project

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CVE-2019-3886
An incorrect permissions check was discovered in libvirt 4.8.0 and...
Medium 5.4
CVE-2017-2635
A NULL pointer deference flaw was found in the way...
High 7.7

Affected Vendor

The libvirt Project

View all reports →

Affected Software

libvirt
Vulnerable Versions:
5.0.0

Timeline

Official Publish: March 27th, 2019
Last Modified: August 4th, 2024
Added to House: July 20th, 2026

CVSS Vectors

V3: CVSS:3.0/AV:N/AC:H/PR:L/UI:R/S:C/C:N/I:N/A:H

Weaknesses (CWE)

CWE-476

MITRE ATT&CK TTPs

T1499 Endpoint Denial of Service
Impact
T1499.004 Application or System Exploitation
Impact
T1489 Service Stop
Impact
T1203 Exploitation for Client Execution
Execution
T1190 Exploit Public-Facing Application
Initial Access