Linux Distros 未修補弱點：CVE-2026-81627
medium Nessus Plugin ID 348219
語言:
概要
Linux/Unix 主機上安裝的一個或多個套件存有弱點，廠商表示將不會修補。說明
Linux/Unix 主機上安裝了一個或多個受到弱點影響的套件，且供應商未提供可用的修補程式。- 在 QEMU 中發現一個缺陷。hw/i386/vapic.c 中的 VAPIC 設定超級呼叫不會驗證可寫入 RAM 別名是否保留在選項 ROM 視窗內。/KVM 電腦上的 Q35特權訪客使用者可以將此別名放在鎖定的 SMRAM 上，繞過晶片組D_LCK保護，並將程式碼插入系統管理模式記憶體。（CVE-2026-81627）
請注意，Nessus 的判定取決於廠商所報告的套件是否存在。
解決方案
目前尚未有已知的解決方案。另請參閱
Plugin 詳細資訊
嚴重性: Medium
ID: 348219
檔案名稱: unpatched_CVE_2026_81627.nasl
版本: 1.2
類型: Local
代理程式: unix
系列: Misc.
已發布: 2026/9/18
已更新: 2026/9/19
支援的感應器: Agentless 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: Medium
分數: 4.9
百分位數: 58.27
CVSS v2
風險因素: High
基本分數: 7.2
時間性分數: 6.1
媒介: CVSS2#AV:L/AC:L/Au:N/C:C/I:C/A:C
CVSS 評分資料來源: CVE-2026-81627
CVSS v3
風險因素: Medium
基本分數: 6.7
時間性分數: 6.1
媒介: CVSS:3.0/AV:L/AC:L/PR:H/UI:N/S:U/C:H/I:H/A:H
時間媒介: CVSS:3.0/E:U/RL:U/RC:C
CVSS 評分資料來源: CVE-2026-81627
弱點資訊
CPE: cpe:/o:centos:centos:7, cpe:/o:centos:centos:8, cpe:/o:debian:debian_linux:12.0, cpe:/o:debian:debian_linux:13.0, cpe:/o:debian:debian_linux:14.0, cpe:/o:redhat:enterprise_linux:10, cpe:/o:redhat:enterprise_linux:7, cpe:/o:redhat:enterprise_linux:8, cpe:/o:redhat:enterprise_linux:9, p-cpe:/a:centos:centos:libcacard-devel, p-cpe:/a:centos:centos:libcacard-tools, p-cpe:/a:centos:centos:libcacard, p-cpe:/a:centos:centos:qemu-guest-agent, p-cpe:/a:centos:centos:qemu-img-ma, p-cpe:/a:centos:centos:qemu-img, p-cpe:/a:centos:centos:qemu-kvm-audio-pa, p-cpe:/a:centos:centos:qemu-kvm-block-blkio, p-cpe:/a:centos:centos:qemu-kvm-block-curl, p-cpe:/a:centos:centos:qemu-kvm-block-gluster, p-cpe:/a:centos:centos:qemu-kvm-block-iscsi, p-cpe:/a:centos:centos:qemu-kvm-block-rbd, p-cpe:/a:centos:centos:qemu-kvm-block-ssh, p-cpe:/a:centos:centos:qemu-kvm-common-ma, p-cpe:/a:centos:centos:qemu-kvm-common, p-cpe:/a:centos:centos:qemu-kvm-core, p-cpe:/a:centos:centos:qemu-kvm-device-display-virtio-gpu-ccw, p-cpe:/a:centos:centos:qemu-kvm-device-display-virtio-gpu-gl, p-cpe:/a:centos:centos:qemu-kvm-device-display-virtio-gpu-pci-gl, p-cpe:/a:centos:centos:qemu-kvm-device-display-virtio-gpu-pci, p-cpe:/a:centos:centos:qemu-kvm-device-display-virtio-gpu, p-cpe:/a:centos:centos:qemu-kvm-device-display-virtio-vga-gl, p-cpe:/a:centos:centos:qemu-kvm-device-display-virtio-vga, p-cpe:/a:centos:centos:qemu-kvm-device-usb-host, p-cpe:/a:centos:centos:qemu-kvm-device-usb-redirect, p-cpe:/a:centos:centos:qemu-kvm-docs, p-cpe:/a:centos:centos:qemu-kvm-hw-usbredir, p-cpe:/a:centos:centos:qemu-kvm-ma, p-cpe:/a:centos:centos:qemu-kvm-tests, p-cpe:/a:centos:centos:qemu-kvm-tools-ma, p-cpe:/a:centos:centos:qemu-kvm-tools, p-cpe:/a:centos:centos:qemu-kvm-ui-egl-headless, p-cpe:/a:centos:centos:qemu-kvm-ui-opengl, p-cpe:/a:centos:centos:qemu-kvm-ui-spice, p-cpe:/a:centos:centos:qemu-kvm, p-cpe:/a:centos:centos:qemu-pr-helper, p-cpe:/a:debian:debian_linux:qemu, p-cpe:/a:redhat:enterprise_linux:libcacard-devel, p-cpe:/a:redhat:enterprise_linux:libcacard-tools, p-cpe:/a:redhat:enterprise_linux:libcacard, p-cpe:/a:redhat:enterprise_linux:qemu-guest-agent, p-cpe:/a:redhat:enterprise_linux:qemu-img-ma, p-cpe:/a:redhat:enterprise_linux:qemu-img, p-cpe:/a:redhat:enterprise_linux:qemu-kvm-audio-pa, p-cpe:/a:redhat:enterprise_linux:qemu-kvm-block-blkio, p-cpe:/a:redhat:enterprise_linux:qemu-kvm-block-curl, p-cpe:/a:redhat:enterprise_linux:qemu-kvm-block-gluster, p-cpe:/a:redhat:enterprise_linux:qemu-kvm-block-iscsi, p-cpe:/a:redhat:enterprise_linux:qemu-kvm-block-rbd, p-cpe:/a:redhat:enterprise_linux:qemu-kvm-block-ssh, p-cpe:/a:redhat:enterprise_linux:qemu-kvm-common-ma, p-cpe:/a:redhat:enterprise_linux:qemu-kvm-common, p-cpe:/a:redhat:enterprise_linux:qemu-kvm-core, p-cpe:/a:redhat:enterprise_linux:qemu-kvm-device-display-virtio-gpu-ccw, p-cpe:/a:redhat:enterprise_linux:qemu-kvm-device-display-virtio-gpu-gl, p-cpe:/a:redhat:enterprise_linux:qemu-kvm-device-display-virtio-gpu-pci-gl, p-cpe:/a:redhat:enterprise_linux:qemu-kvm-device-display-virtio-gpu-pci, p-cpe:/a:redhat:enterprise_linux:qemu-kvm-device-display-virtio-gpu, p-cpe:/a:redhat:enterprise_linux:qemu-kvm-device-display-virtio-vga-gl, p-cpe:/a:redhat:enterprise_linux:qemu-kvm-device-display-virtio-vga, p-cpe:/a:redhat:enterprise_linux:qemu-kvm-device-usb-host, p-cpe:/a:redhat:enterprise_linux:qemu-kvm-device-usb-redirect, p-cpe:/a:redhat:enterprise_linux:qemu-kvm-docs, p-cpe:/a:redhat:enterprise_linux:qemu-kvm-hw-usbredir, p-cpe:/a:redhat:enterprise_linux:qemu-kvm-ma, p-cpe:/a:redhat:enterprise_linux:qemu-kvm-tests, p-cpe:/a:redhat:enterprise_linux:qemu-kvm-tools-ma, p-cpe:/a:redhat:enterprise_linux:qemu-kvm-tools, p-cpe:/a:redhat:enterprise_linux:qemu-kvm-ui-egl-headless, p-cpe:/a:redhat:enterprise_linux:qemu-kvm-ui-opengl, p-cpe:/a:redhat:enterprise_linux:qemu-kvm-ui-spice, p-cpe:/a:redhat:enterprise_linux:qemu-kvm, p-cpe:/a:redhat:enterprise_linux:qemu-pr-helper
必要的 KB 項目: Host/cpu, Host/local_checks_enabled, global_settings/vendor_unpatched, Host/OS/identifier
可輕鬆利用: No known exploits are available
弱點發布日期: 2026/9/18
參考資訊
CVE: CVE-2026-81627