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CVE-2020-10703

Status Candidate

Overview

A NULL pointer dereference was found in the libvirt API responsible introduced in upstream version 3.10.0, and fixed in libvirt 6.0.0, for fetching a storage pool based on its target path. In more detail, this flaw affects storage pools created without a target path such as network-based pools like gluster and RBD. Unprivileged users with a read-only connection could abuse this flaw to crash the libvirt daemon, resulting in a potential denial of service.

Related Files

Red Hat Security Advisory 2020-4676-01
Posted Nov 4, 2020
Authored by Red Hat | Site access.redhat.com

Red Hat Security Advisory 2020-4676-01 - Kernel-based Virtual Machine offers a full virtualization solution for Linux on numerous hardware platforms. The virt:rhel module contains packages which provide user-space components used to run virtual machines using KVM. The packages also provide APIs for managing and interacting with the virtualized systems. Issues addressed include denial of service and use-after-free vulnerabilities.

tags | advisory, denial of service, kernel, vulnerability
systems | linux, redhat
advisories | CVE-2019-15890, CVE-2019-20485, CVE-2020-10703, CVE-2020-14301, CVE-2020-14339, CVE-2020-1983
SHA-256 | 93e8b9c4d4f4570afe83e1f43d1e9e259507e1b4cf78ec970d599aef7c373a59
Red Hat Security Advisory 2020-4000-01
Posted Sep 30, 2020
Authored by Red Hat | Site access.redhat.com

Red Hat Security Advisory 2020-4000-01 - 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 denial of service vulnerability.

tags | advisory, denial of service
systems | linux, redhat
advisories | CVE-2019-20485, CVE-2020-10703
SHA-256 | ff4d747142d39fbc088a59936a6d3447f0f9afb97217bedbf598d0b93db73af3
Ubuntu Security Notice USN-4371-1
Posted May 21, 2020
Authored by Ubuntu | Site security.ubuntu.com

Ubuntu Security Notice 4371-1 - It was discovered that libvirt incorrectly handled an active pool without a target path. A remote attacker could possibly use this issue to cause libvirt to crash, resulting in a denial of service. It was discovered that libvirt incorrectly handled memory when retrieving certain domain statistics. A remote attacker could possibly use this issue to cause libvirt to consume resources, resulting in a denial of service. This issue only affected Ubuntu 19.10. Various other issues were also addressed.

tags | advisory, remote, denial of service
systems | linux, ubuntu
advisories | CVE-2020-10703, CVE-2020-12430
SHA-256 | 34c13bb2675b4bde9213fc78d2c244ba963384fec9e6bbbb9cac57d1a9df52e3
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