RHEL 10：libvirt （RHSA-2026:18326）
medium Nessus 插件 ID 315397
语言：
简介
远程 Red Hat 主机缺少 libvirt 的安全更新。描述
远程 Redhat Enterprise Linux 10 主机上安装的程序包受到 RHSA-2026:18326 公告中提及的一个漏洞影响。基于内核的虚拟机 (KVM) 为多个硬件平台上的 Linux 提供完整的虚拟解决方案。virt:rhel 模块包含的程序包提供用于使用 KVM 运行虚拟机的用户空间组件。这些程序包还提供用于管理虚拟化系统并与之交互的 API。
安全修复：
* libvirt：XML 解析中的拒绝服务 （CVE-2025-12748）
有关上述安全问题的更多详细信息，包括其影响、CVSS 得分、致谢，以及其他相关信息，请参阅列于“参考”部分的 CVE 页面。
其他变更：
如需有关此发行版本的详细变更信息，请参阅可从“参考”部分链接的 Red Hat Enterprise Linux 10 发行说明。
Tenable 已直接从 Red Hat Enterprise Linux 安全公告中提取上述描述块。
请注意，Nessus 尚未测试此问题，而是只依据应用程序自我报告的版本号进行判断。
解决方案
请根据 RHSA-2026:18326 中的指南更新 RHEL libvirt 程序包。另见
http://www.nessus.org/u?61671f2f
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
插件详情
严重性: Medium
ID: 315397
文件名: redhat-RHSA-2026-18326.nasl
版本: 1.1
类型: Local
代理: unix
发布时间: 2026/5/19
最近更新时间: 2026/5/19
支持的传感器: Frictionless Assessment AWS, Frictionless Assessment Azure, Frictionless Assessment Agent, Nessus Agent, Agentless Assessment, Continuous Assessment, Nessus
风险信息
VPR
风险因素: Low
分数: 3.0
Vendor
Vendor Severity: Moderate
CVSS v2
风险因素: Medium
基本分数: 4.6
时间分数: 3.4
矢量: CVSS2#AV:L/AC:L/Au:S/C:N/I:N/A:C
CVSS 分数来源: CVE-2025-12748
CVSS v3
风险因素: Medium
基本分数: 5.5
时间分数: 4.8
矢量: CVSS:3.0/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H
时间矢量: CVSS:3.0/E:U/RL:O/RC:C
漏洞信息
CPE: p-cpe:/a:redhat:enterprise_linux:libvirt, p-cpe:/a:redhat:enterprise_linux:libvirt-devel, p-cpe:/a:redhat:enterprise_linux:libvirt-client, p-cpe:/a:redhat:enterprise_linux:libvirt-daemon, 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-interface, p-cpe:/a:redhat:enterprise_linux:libvirt-daemon-driver-network, p-cpe:/a:redhat:enterprise_linux:libvirt-daemon-driver-nodedev, p-cpe:/a:redhat:enterprise_linux:libvirt-daemon-driver-nwfilter, p-cpe:/a:redhat:enterprise_linux:libvirt-daemon-driver-qemu, p-cpe:/a:redhat:enterprise_linux:libvirt-daemon-driver-secret, p-cpe:/a:redhat:enterprise_linux:libvirt-daemon-driver-storage, p-cpe:/a:redhat:enterprise_linux:libvirt-daemon-kvm, p-cpe:/a:redhat:enterprise_linux:libvirt-docs, p-cpe:/a:redhat:enterprise_linux:libvirt-daemon-driver-storage-core, p-cpe:/a:redhat:enterprise_linux:libvirt-daemon-driver-storage-disk, p-cpe:/a:redhat:enterprise_linux:libvirt-daemon-driver-storage-iscsi, p-cpe:/a:redhat:enterprise_linux:libvirt-daemon-driver-storage-logical, p-cpe:/a:redhat:enterprise_linux:libvirt-daemon-driver-storage-mpath, p-cpe:/a:redhat:enterprise_linux:libvirt-daemon-driver-storage-rbd, p-cpe:/a:redhat:enterprise_linux:libvirt-daemon-driver-storage-scsi, p-cpe:/a:redhat:enterprise_linux:libvirt-libs, p-cpe:/a:redhat:enterprise_linux:libvirt-nss, p-cpe:/a:redhat:enterprise_linux:libvirt-client-qemu, p-cpe:/a:redhat:enterprise_linux:libvirt-daemon-common, p-cpe:/a:redhat:enterprise_linux:libvirt-daemon-lock, p-cpe:/a:redhat:enterprise_linux:libvirt-daemon-log, p-cpe:/a:redhat:enterprise_linux:libvirt-daemon-plugin-lockd, p-cpe:/a:redhat:enterprise_linux:libvirt-daemon-plugin-sanlock, p-cpe:/a:redhat:enterprise_linux:libvirt-daemon-proxy, p-cpe:/a:redhat:enterprise_linux:libvirt-ssh-proxy, cpe:/o:redhat:enterprise_linux:10.2
必需的 KB 项: Host/local_checks_enabled, Host/RedHat/release, Host/RedHat/rpm-list, Host/cpu
易利用性: No known exploits are available
补丁发布日期: 2026/5/19
漏洞发布日期: 2025/11/11
参考资料信息
CVE: CVE-2025-12748
CWE: 770
RHSA: 2026:18326