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CVE-2020-25637

Status Candidate

Overview

A double free memory issue was found to occur in the libvirt API, in versions before 6.8.0, responsible for requesting information about network interfaces of a running QEMU domain. This flaw affects the polkit access control driver. Specifically, clients connecting to the read-write socket with limited ACL permissions could use this flaw to crash the libvirt daemon, resulting in a denial of service, or potentially escalate their privileges on the system. The highest threat from this vulnerability is to data confidentiality and integrity as well as system availability.

Related Files

Red Hat Security Advisory 2021-1762-01
Posted May 19, 2021
Authored by Red Hat | Site access.redhat.com

Red Hat Security Advisory 2021-1762-01 - 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 buffer overflow, double free, information leakage, and out of bounds access vulnerabilities.

tags | advisory, overflow, kernel, vulnerability
systems | linux, redhat
advisories | CVE-2020-11947, CVE-2020-16092, CVE-2020-25637, CVE-2020-25707, CVE-2020-25723, CVE-2020-27821, CVE-2020-28916, CVE-2020-29129, CVE-2020-29130, CVE-2020-29443
MD5 | fd8276d38ffd1d12356ab7f34aa38c04
Red Hat Security Advisory 2020-5118-01
Posted Nov 24, 2020
Authored by Red Hat | Site access.redhat.com

Red Hat Security Advisory 2020-5118-01 - Red Hat OpenShift Container Platform is Red Hat's cloud computing Kubernetes application platform solution designed for on-premise or private cloud deployments. Issues addressed include a denial of service vulnerability.

tags | advisory, denial of service
systems | linux, redhat
advisories | CVE-2019-20811, CVE-2019-20907, CVE-2020-14331, CVE-2020-14363, CVE-2020-14422, CVE-2020-15586, CVE-2020-15999, CVE-2020-16845, CVE-2020-25637, CVE-2020-8177, CVE-2020-8622, CVE-2020-8623, CVE-2020-8624
MD5 | 127a063a92799e5c362b7ff9adaa82f9
Red Hat Security Advisory 2020-5111-01
Posted Nov 16, 2020
Authored by Red Hat | Site access.redhat.com

Red Hat Security Advisory 2020-5111-01 - The Advanced Virtualization module provides the user-space component for running virtual machines that use KVM in environments managed by Red Hat products. Issues addressed include a double free vulnerability.

tags | advisory
systems | linux, redhat
advisories | CVE-2020-16092, CVE-2020-25637
MD5 | 5c568060399aebfb3404542e222175d2
Red Hat Security Advisory 2020-5040-01
Posted Nov 10, 2020
Authored by Red Hat | Site access.redhat.com

Red Hat Security Advisory 2020-5040-01 - 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 double free vulnerability.

tags | advisory
systems | linux, redhat
advisories | CVE-2020-25637
MD5 | dda07a5a85d1d8c7a6701cbfe495ec92
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