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CVE-2023-2700

Status Candidate

Overview

A vulnerability was found in libvirt. This security flaw ouccers due to repeatedly querying an SR-IOV PCI device's capabilities that exposes a memory leak caused by a failure to free the virPCIVirtualFunction array within the parent struct's g_autoptr cleanup.

Related Files

Red Hat Security Advisory 2023-4799-01
Posted Aug 29, 2023
Authored by Red Hat | Site access.redhat.com

Red Hat Security Advisory 2023-4799-01 - Libvirt is a C toolkit to interact with the virtualization capabilities of recent versions of Linux. Issues addressed include a memory leak vulnerability.

tags | advisory, memory leak
systems | linux, redhat
advisories | CVE-2023-2700
SHA-256 | 905aaa6b968126362f07c6d48c3445fdd47240f5c80fe283b1345b28bcd8692f
Red Hat Security Advisory 2023-3822-01
Posted Jun 28, 2023
Authored by Red Hat | Site access.redhat.com

Red Hat Security Advisory 2023-3822-01 - 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 a memory leak vulnerability.

tags | advisory, kernel, memory leak
systems | linux, redhat
advisories | CVE-2023-2700
SHA-256 | 12304eba2c48f6801d19aeba5d6391a309d1fe6b19187b6bb5c3fb940c85ddfa
Red Hat Security Advisory 2023-3715-01
Posted Jun 22, 2023
Authored by Red Hat | Site access.redhat.com

Red Hat Security Advisory 2023-3715-01 - 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 memory leak vulnerability.

tags | advisory, memory leak
systems | linux, redhat
advisories | CVE-2023-2700
SHA-256 | 9b8b53521738368a749fe60c780351f9820f05a28d78796091f980340ba474e6
Ubuntu Security Notice USN-6126-1
Posted May 31, 2023
Authored by Ubuntu | Site security.ubuntu.com

Ubuntu Security Notice 6126-1 - It was discovered that libvirt incorrectly handled the nwfilter driver. A local attacker could possibly use this issue to cause libvirt to crash, resulting in a denial of service. This issue only affected Ubuntu 22.04 LTS. It was discovered that libvirt incorrectly handled queries for the SR-IOV PCI device capabilities. A local attacker could possibly use this issue to cause libvirt to consume resources, leading to a denial of service.

tags | advisory, denial of service, local
systems | linux, ubuntu
advisories | CVE-2022-0897, CVE-2023-2700
SHA-256 | 2428d114b29a7635b37b13ee27f71b288c04d0ac2bcc0c3a7183642ad95f19a5
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