CVE-2019-3840
Published: March 27, 2019Last modified: November 9, 2023
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.
Severity score breakdown
| Parameter | Value |
|---|---|
| Base score | 6.3 |
| Attack Vector | NETWORK |
| Attack complexity | HIGH |
| Privileges required | LOW |
| User interaction | NONE |
| Scope | CHANGED |
| Confidentiality | NONE |
| Integrity impact | NONE |
| Availability impact | HIGH |
| Vector | CVSS:3.0/AV:N/AC:H/PR:L/UI:N/S:C/C:N/I:N/A:H |
Status
| Product | Release | Package | Status |
|---|---|---|---|
| Alpaquita Linux | 23 LTS | libvirt | Not affected (8.9.0-r5) |
| Stream | libvirt | Not affected (9.6.0-r0) |
References
- http://lists.opensuse.org/opensuse-security-announce/2019-04/msg00101.html
- http://lists.opensuse.org/opensuse-security-announce/2019-04/msg00105.html
- https://access.redhat.com/errata/RHSA-2019:2294
- https://bugzilla.redhat.com/show_bug.cgi?id=1663051
- https://bugzilla.redhat.com/show_bug.cgi?id=CVE-2019-3840
- https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/TZRP2BRMI4RYFRPNFTTIAAUOGVN2ORP7/
- https://www.redhat.com/archives/libvir-list/2019-January/msg00241.html