RHEL 10：libvirt （RHSA-2026:18326）
medium Nessus Plugin ID 315397
語言:
概要
遠端 Red Hat 主機缺少 libvirt 的安全性更新。說明
遠端 Redhat Enterprise Linux 10 主機上安裝的套件受到 RHSA-2026:18326 公告中提及的一個弱點影響。核心型虛擬機器 (KVM) 提供在各種硬體平台上完全的 Linux 虛擬化解決方案。virt:rhel 模組包含的套件提供使用者空間元件，可用來執行使用 KVM 的虛擬機器。這些套件也提供 API，用於管理虛擬化系統並與之互動。
安全性修正：
* libvirt：XML 剖析中的拒絕服務 （CVE-2025-12748）
如需安全性問題的詳細資料，包括影響、CVSS 評分、致謝及其他相關資訊，請參閱〈參照〉一節列出的 CVE 頁面。
其他變更:
如需有關此發行版本的詳細變更資訊，請參閱可從「參照」一節連結的 Red Hat Enterprise Linux 10 版本資訊。
Tenable 已直接從 Red Hat Enterprise Linux 安全公告擷取前置描述區塊。
請注意，Nessus 並未測試此問題，而是僅依據應用程式自我報告的版本號碼作出判斷。
解決方案
依據 RHSA-2026:18326 中的指引更新 RHEL libvirt 套件。另請參閱
https://access.redhat.com/errata/RHSA-2026:18326
https://access.redhat.com/security/updates/classification/#moderate
https://bugzilla.redhat.com/show_bug.cgi?id=2413801
https://issues.redhat.com/browse/RHEL-100716
https://issues.redhat.com/browse/RHEL-102925
https://issues.redhat.com/browse/RHEL-104216
https://issues.redhat.com/browse/RHEL-104238
https://issues.redhat.com/browse/RHEL-104427
https://issues.redhat.com/browse/RHEL-110191
https://issues.redhat.com/browse/RHEL-113574
https://issues.redhat.com/browse/RHEL-114412
https://issues.redhat.com/browse/RHEL-118671
https://issues.redhat.com/browse/RHEL-122751
https://issues.redhat.com/browse/RHEL-126346
https://issues.redhat.com/browse/RHEL-126945
https://issues.redhat.com/browse/RHEL-131335
https://issues.redhat.com/browse/RHEL-135115
https://issues.redhat.com/browse/RHEL-138300
https://issues.redhat.com/browse/RHEL-141820
https://issues.redhat.com/browse/RHEL-144089
https://issues.redhat.com/browse/RHEL-145080
https://issues.redhat.com/browse/RHEL-145769
https://issues.redhat.com/browse/RHEL-150351
https://issues.redhat.com/browse/RHEL-151916
https://issues.redhat.com/browse/RHEL-62032
https://issues.redhat.com/browse/RHEL-7038
https://issues.redhat.com/browse/RHEL-72006
https://issues.redhat.com/browse/RHEL-79806
https://issues.redhat.com/browse/RHEL-80679
https://issues.redhat.com/browse/RHEL-82645
https://issues.redhat.com/browse/RHEL-87522
https://issues.redhat.com/browse/RHEL-92842
https://issues.redhat.com/browse/RHEL-95749
https://issues.redhat.com/browse/RHEL-95818
Plugin 詳細資訊
嚴重性: Medium
ID: 315397
檔案名稱: redhat-RHSA-2026-18326.nasl
版本: 1.1
類型: Local
代理程式: unix
已發布: 2026/5/19
已更新: 2026/5/19
支援的感應器: Agentless Assessment, Continuous Assessment, Frictionless Assessment Agent, Frictionless Assessment AWS, Frictionless Assessment Azure, Nessus Agent, Tenable Cloud Security, Tenable Self-Hosted Container Security, Nessus
風險資訊
VPR
風險因素: Low
分數: 3
百分位: 23.41
Vendor
Vendor Severity: Moderate
CVSS v2
風險因素: Medium
基本分數: 4.6
時間性分數: 3.4
媒介: CVSS2#AV:L/AC:L/Au:S/C:N/I:N/A:C
CVSS 評分資料來源: CVE-2025-12748
CVSS v3
風險因素: Medium
基本分數: 5.5
時間性分數: 4.8
媒介: CVSS:3.0/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H
時間媒介: CVSS:3.0/E:U/RL:O/RC:C
弱點資訊
CPE: p-cpe:/a:redhat:enterprise_linux:libvirt-daemon-driver-storage, p-cpe:/a:redhat:enterprise_linux:libvirt-daemon-proxy, p-cpe:/a:redhat:enterprise_linux:libvirt-daemon, p-cpe:/a:redhat:enterprise_linux:libvirt-client, p-cpe:/a:redhat:enterprise_linux:libvirt-daemon-driver-storage-rbd, p-cpe:/a:redhat:enterprise_linux:libvirt-daemon-driver-storage-iscsi, p-cpe:/a:redhat:enterprise_linux:libvirt-daemon-lock, p-cpe:/a:redhat:enterprise_linux:libvirt-daemon-plugin-sanlock, p-cpe:/a:redhat:enterprise_linux:libvirt-daemon-driver-storage-core, p-cpe:/a:redhat:enterprise_linux:libvirt-daemon-driver-storage-logical, p-cpe:/a:redhat:enterprise_linux:libvirt-daemon-driver-storage-scsi, p-cpe:/a:redhat:enterprise_linux:libvirt-daemon-log, p-cpe:/a:redhat:enterprise_linux:libvirt-nss, p-cpe:/a:redhat:enterprise_linux:libvirt-daemon-config-network, p-cpe:/a:redhat:enterprise_linux:libvirt-daemon-config-nwfilter, p-cpe:/a:redhat:enterprise_linux:libvirt-daemon-driver-secret, p-cpe:/a:redhat:enterprise_linux:libvirt-daemon-driver-nodedev, p-cpe:/a:redhat:enterprise_linux:libvirt, p-cpe:/a:redhat:enterprise_linux:libvirt-daemon-driver-network, p-cpe:/a:redhat:enterprise_linux:libvirt-daemon-common, p-cpe:/a:redhat:enterprise_linux:libvirt-client-qemu, p-cpe:/a:redhat:enterprise_linux:libvirt-daemon-driver-nwfilter, p-cpe:/a:redhat:enterprise_linux:libvirt-libs, p-cpe:/a:redhat:enterprise_linux:libvirt-daemon-driver-qemu, p-cpe:/a:redhat:enterprise_linux:libvirt-daemon-driver-storage-disk, p-cpe:/a:redhat:enterprise_linux:libvirt-devel, p-cpe:/a:redhat:enterprise_linux:libvirt-daemon-driver-interface, p-cpe:/a:redhat:enterprise_linux:libvirt-daemon-plugin-lockd, p-cpe:/a:redhat:enterprise_linux:libvirt-docs, p-cpe:/a:redhat:enterprise_linux:libvirt-ssh-proxy, p-cpe:/a:redhat:enterprise_linux:libvirt-daemon-kvm, p-cpe:/a:redhat:enterprise_linux:libvirt-daemon-driver-storage-mpath, cpe:/o:redhat:enterprise_linux:10.2
必要的 KB 項目: Host/local_checks_enabled, Host/RedHat/release, Host/RedHat/rpm-list, Host/cpu
可輕鬆利用: No known exploits are available
修補程式發佈日期: 2026/5/19
弱點發布日期: 2025/11/11
參考資訊
CVE: CVE-2025-12748
CWE: 770
RHSA: 2026:18326