Test ID:	1.3.6.1.4.1.25623.1.1.2.2023.2256
Category:	Huawei EulerOS Local Security Checks
Title:	Huawei EulerOS: Security Advisory for libvirt (EulerOS-SA-2023-2256)
Summary:	The remote host is missing an update for the Huawei EulerOS 'libvirt' package(s) announced via the EulerOS-SA-2023-2256 advisory.
Description:	Summary: The remote host is missing an update for the Huawei EulerOS 'libvirt' package(s) announced via the EulerOS-SA-2023-2256 advisory. Vulnerability Insight: A use-after-free flaw was found in libvirt. The qemuMonitorUnregister() function in qemuProcessHandleMonitorEOF is called using multiple threads without being adequately protected by a monitor lock. This flaw could be triggered by the virConnectGetAllDomainStats API when the guest is shutting down. An unprivileged client with a read-only connection could use this flaw to perform a denial of service attack by causing the libvirt daemon to crash.(CVE-2021-3975) Affected Software/OS: 'libvirt' package(s) on Huawei EulerOS Virtualization for ARM 64 3.0.6.0. Solution: Please install the updated package(s). CVSS Score: 6.8 CVSS Vector: AV:N/AC:L/Au:S/C:N/I:N/A:C
Cross-Ref:	Common Vulnerability Exposure (CVE) ID: CVE-2021-3975 https://access.redhat.com/security/cve/CVE-2021-3975 https://bugzilla.redhat.com/show_bug.cgi?id=2024326 https://github.com/libvirt/libvirt/commit/1ac703a7d0789e46833f4013a3876c2e3af18ec7 https://ubuntu.com/security/CVE-2021-3975 https://lists.debian.org/debian-lts-announce/2024/04/msg00000.html
Copyright	Copyright (C) 2023 Greenbone AG

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