RockyLinux 9：libvirt （RLSA-2026：74424）
high Nessus 插件 ID 362857
语言：
简介
远程 RockyLinux 主机缺少一个或多个安全更新。描述
远程 RockyLinux 9 主机上存在安装的程序包，该程序包受到 RLSA-2026：74424 公告中提及的多个漏洞的影响。* libvirt：通过符号链接跟随 （） 进行 swtpmCVE-2026-63622 权限升级
* libvirt：NodeGetFreePages RPC 处理程序中的整数溢出导致堆缓冲区溢出 （CVE-2026-18917）
错误修复和增强功能：
* virtio-vga 变为可用状态时实时迁移失败，视频设备从目标的 virtio-gpu-pci 切换到 virtio-vga [rhel-9.8.z] （JIRA：Rocky Linux-186018）
* libvirt-guests 在关机时未与 virtlockd 一起工作 [rhel-9.8.z] （JIRA：Rocky Linux-224986）
* 暴露 libvirt-api 中的 guest-get-devices [rhel-9.8.z] （JIRA：Rocky Linux-243306）
* 允许 hyperv pvpanic 设备处理 Windows 崩溃转储 [rhel-9.8.z] （JIRA：Rocky Linux-242549）
Tenable 已直接从 RockyLinux 安全公告中提取上述描述块。
请注意，Nessus 尚未测试这些问题，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
更新受影响的程序包。另见
https://bugzilla.redhat.com/show_bug.cgi?id=2513065
插件详情
严重性: High
ID: 362857
文件名: rocky_linux_RLSA-2026-74424.nasl
版本: 1.1
类型: Local
发布时间: 2026/10/3
最近更新时间: 2026/10/3
支持的传感器: Continuous Assessment, Nessus Agent, Tenable Cloud Security, Tenable Self-Hosted Container Security, Nessus
风险信息
VPR
风险因素: Medium
分数: 4.9
百分位: 58.19
CVSS v2
风险因素: Medium
基本分数: 6.8
时间分数: 5
矢量: CVSS2#AV:L/AC:L/Au:S/C:C/I:C/A:C
CVSS 分数来源: CVE-2026-63622
CVSS v3
风险因素: High
基本分数: 7.8
时间分数: 6.8
矢量: CVSS:3.0/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H
时间矢量: CVSS:3.0/E:U/RL:O/RC:C
漏洞信息
CPE: cpe:/o:rocky:linux:9, p-cpe:/a:rocky:linux:libvirt-client-debuginfo, p-cpe:/a:rocky:linux:libvirt-client-qemu, p-cpe:/a:rocky:linux:libvirt-client, p-cpe:/a:rocky:linux:libvirt-daemon-common-debuginfo, p-cpe:/a:rocky:linux:libvirt-daemon-common, p-cpe:/a:rocky:linux:libvirt-daemon-config-network, p-cpe:/a:rocky:linux:libvirt-daemon-config-nwfilter, p-cpe:/a:rocky:linux:libvirt-daemon-debuginfo, p-cpe:/a:rocky:linux:libvirt-daemon-driver-interface-debuginfo, p-cpe:/a:rocky:linux:libvirt-daemon-driver-interface, p-cpe:/a:rocky:linux:libvirt-daemon-driver-network-debuginfo, p-cpe:/a:rocky:linux:libvirt-daemon-driver-network, p-cpe:/a:rocky:linux:libvirt-daemon-driver-nodedev-debuginfo, p-cpe:/a:rocky:linux:libvirt-daemon-driver-nodedev, p-cpe:/a:rocky:linux:libvirt-daemon-driver-nwfilter-debuginfo, p-cpe:/a:rocky:linux:libvirt-daemon-driver-nwfilter, p-cpe:/a:rocky:linux:libvirt-daemon-driver-qemu-debuginfo, p-cpe:/a:rocky:linux:libvirt-daemon-driver-qemu, p-cpe:/a:rocky:linux:libvirt-daemon-driver-secret-debuginfo, p-cpe:/a:rocky:linux:libvirt-daemon-driver-secret, p-cpe:/a:rocky:linux:libvirt-daemon-driver-storage-core-debuginfo, p-cpe:/a:rocky:linux:libvirt-daemon-driver-storage-core, p-cpe:/a:rocky:linux:libvirt-daemon-driver-storage-disk-debuginfo, p-cpe:/a:rocky:linux:libvirt-daemon-driver-storage-disk, p-cpe:/a:rocky:linux:libvirt-daemon-driver-storage-iscsi-debuginfo, p-cpe:/a:rocky:linux:libvirt-daemon-driver-storage-iscsi, p-cpe:/a:rocky:linux:libvirt-daemon-driver-storage-logical-debuginfo, p-cpe:/a:rocky:linux:libvirt-daemon-driver-storage-logical, p-cpe:/a:rocky:linux:libvirt-daemon-driver-storage-mpath-debuginfo, p-cpe:/a:rocky:linux:libvirt-daemon-driver-storage-mpath, p-cpe:/a:rocky:linux:libvirt-daemon-driver-storage-rbd-debuginfo, p-cpe:/a:rocky:linux:libvirt-daemon-driver-storage-rbd, p-cpe:/a:rocky:linux:libvirt-daemon-driver-storage-scsi-debuginfo, p-cpe:/a:rocky:linux:libvirt-daemon-driver-storage-scsi, p-cpe:/a:rocky:linux:libvirt-daemon-driver-storage, p-cpe:/a:rocky:linux:libvirt-daemon-kvm, p-cpe:/a:rocky:linux:libvirt-daemon-lock-debuginfo, p-cpe:/a:rocky:linux:libvirt-daemon-lock, p-cpe:/a:rocky:linux:libvirt-daemon-log-debuginfo, p-cpe:/a:rocky:linux:libvirt-daemon-log, p-cpe:/a:rocky:linux:libvirt-daemon-plugin-lockd-debuginfo, p-cpe:/a:rocky:linux:libvirt-daemon-plugin-lockd, p-cpe:/a:rocky:linux:libvirt-daemon-plugin-sanlock-debuginfo, p-cpe:/a:rocky:linux:libvirt-daemon-plugin-sanlock, p-cpe:/a:rocky:linux:libvirt-daemon-proxy-debuginfo, p-cpe:/a:rocky:linux:libvirt-daemon-proxy, p-cpe:/a:rocky:linux:libvirt-daemon, p-cpe:/a:rocky:linux:libvirt-debuginfo, p-cpe:/a:rocky:linux:libvirt-debugsource, p-cpe:/a:rocky:linux:libvirt-devel, p-cpe:/a:rocky:linux:libvirt-docs, p-cpe:/a:rocky:linux:libvirt-libs-debuginfo, p-cpe:/a:rocky:linux:libvirt-libs, p-cpe:/a:rocky:linux:libvirt-nss-debuginfo, p-cpe:/a:rocky:linux:libvirt-nss, p-cpe:/a:rocky:linux:libvirt-ssh-proxy-debuginfo, p-cpe:/a:rocky:linux:libvirt-ssh-proxy, p-cpe:/a:rocky:linux:libvirt
必需的 KB 项: Host/local_checks_enabled, Host/RockyLinux/release, Host/RockyLinux/rpm-list, Host/cpu
易利用性: No known exploits are available
补丁发布日期: 2026/10/3
漏洞发布日期: 2026/8/10
参考资料信息
CVE: CVE-2026-18917, CVE-2026-63622