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CVE-2019-3840

Status Candidate

Overview

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.

Related Files

Red Hat Security Advisory 2019-2294-01
Posted Aug 6, 2019
Authored by Red Hat | Site access.redhat.com

Red Hat Security Advisory 2019-2294-01 - The libvirt library contains a C API for managing and interacting with the virtualization capabilities of Linux and other operating systems. Issues addressed include a null pointer vulnerability.

tags | advisory
systems | linux, redhat
advisories | CVE-2019-3840
SHA-256 | a440de1125e6185913eff9b4350dd6171c650509d7efb2a00ad5f89828e28437
Ubuntu Security Notice USN-3909-1
Posted Mar 14, 2019
Authored by Ubuntu | Site security.ubuntu.com

Ubuntu Security Notice 3909-1 - It was discovered that libvirt incorrectly handled waiting for certain agent events. An attacker inside a guest could possibly use this issue to cause libvirtd to stop responding, resulting in a denial of service.

tags | advisory, denial of service
systems | linux, ubuntu
advisories | CVE-2019-3840
SHA-256 | 5feeda69f171c08516daa9fefd1c171a0d758ae0abf13daa7dac32a99293c992
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