Oracle Linux 8:virt: ol / 和 / virt-devel: rhel (ELSA-2023-6980)

high Nessus 插件 ID 186110

简介

远程 Oracle Linux 主机缺少一个或多个安全更新。

描述

远程 Oracle Linux 8 主机上安装的程序包受到 ELSA-2023-6980 公告中提及的多个漏洞的影响。

- 在 QEMU 的 USB EHCI 控制器仿真中发现 DMA 重入问题。在传输 USB 数据包时,EHCI 未验证缓冲区指针是否与其 MMIO 区域重叠。当设备仍在传输数据包时,攻击者可向控制器的寄存器写入特制内容,并触发不需要的操作(例如重置)。最终,这可导致释放后使用问题。恶意来宾用户可利用此缺陷造成主机上的 QEMU 进程崩溃,从而导致拒绝服务情形,或可能在主机上 QEMU 进程的环境中执行任意代码。此缺陷影响 QEMU 7.0.0 之前版本。(CVE-2021-3750)

- 发现 QEMU 中存在一个缺陷。热拔出具有异步性,会造成争用情形,即在拔出 virtio-net pci 前端之前程序会清除 net 设备后端。恶意访客可利用此时间窗口触发断言并造成拒绝服务。(CVE-2023-3301)

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://linux.oracle.com/errata/ELSA-2023-6980.html

插件详情

严重性: High

ID: 186110

文件名: oraclelinux_ELSA-2023-6980.nasl

版本: 1.3

类型: local

代理: unix

发布时间: 2023/11/21

最近更新时间: 2024/11/2

支持的传感器: Frictionless Assessment Agent, Nessus Agent, Continuous Assessment, Nessus

风险信息

VPR

风险因素: High

分数: 7.3

CVSS v2

风险因素: Medium

基本分数: 4.6

时间分数: 3.6

矢量: CVSS2#AV:L/AC:L/Au:N/C:P/I:P/A:P

CVSS 分数来源: CVE-2021-3750

CVSS v3

风险因素: High

基本分数: 8.2

时间分数: 7.4

矢量: CVSS:3.0/AV:L/AC:L/PR:H/UI:N/S:C/C:H/I:H/A:H

时间矢量: CVSS:3.0/E:P/RL:O/RC:C

漏洞信息

CPE: p-cpe:/a:oracle:linux:libvirt-daemon-config-nwfilter, p-cpe:/a:oracle:linux:nbdkit-linuxdisk-plugin, p-cpe:/a:oracle:linux:libguestfs-gfs2, p-cpe:/a:oracle:linux:libiscsi-devel, p-cpe:/a:oracle:linux:sgabios-bin, p-cpe:/a:oracle:linux:libguestfs-bash-completion, p-cpe:/a:oracle:linux:qemu-kvm-block-gluster, p-cpe:/a:oracle:linux:ruby-libguestfs, p-cpe:/a:oracle:linux:netcf, p-cpe:/a:oracle:linux:libvirt-lock-sanlock, p-cpe:/a:oracle:linux:libguestfs-javadoc, p-cpe:/a:oracle:linux:libguestfs-rsync, p-cpe:/a:oracle:linux:nbdkit-tar-filter, p-cpe:/a:oracle:linux:virt-dib, p-cpe:/a:oracle:linux:libvirt-nss, p-cpe:/a:oracle:linux:libguestfs-tools-c, p-cpe:/a:oracle:linux:perl-sys-guestfs, p-cpe:/a:oracle:linux:nbdkit-gzip-plugin, p-cpe:/a:oracle:linux:libvirt, cpe:/a:oracle:linux:8::appstream, p-cpe:/a:oracle:linux:libvirt-libs, p-cpe:/a:oracle:linux:nbdkit-tmpdisk-plugin, p-cpe:/a:oracle:linux:libvirt-daemon-config-network, p-cpe:/a:oracle:linux:libvirt-daemon-driver-qemu, p-cpe:/a:oracle:linux:nbdkit-vddk-plugin, p-cpe:/a:oracle:linux:swtpm-tools-pkcs11, p-cpe:/a:oracle:linux:libiscsi, p-cpe:/a:oracle:linux:libvirt-dbus, p-cpe:/a:oracle:linux:qemu-kvm, p-cpe:/a:oracle:linux:swtpm-devel, p-cpe:/a:oracle:linux:libguestfs-gobject-devel, p-cpe:/a:oracle:linux:hivex-devel, p-cpe:/a:oracle:linux:libguestfs-tools, p-cpe:/a:oracle:linux:qemu-kvm-block-rbd, p-cpe:/a:oracle:linux:libguestfs-devel, p-cpe:/a:oracle:linux:nbdkit-basic-plugins, p-cpe:/a:oracle:linux:python3-libguestfs, p-cpe:/a:oracle:linux:libguestfs-inspect-icons, p-cpe:/a:oracle:linux:ocaml-hivex, p-cpe:/a:oracle:linux:libvirt-daemon-driver-storage-disk, p-cpe:/a:oracle:linux:libguestfs-man-pages-uk, p-cpe:/a:oracle:linux:perl-sys-virt, p-cpe:/a:oracle:linux:libvirt-daemon-driver-storage-scsi, p-cpe:/a:oracle:linux:python3-libvirt, p-cpe:/a:oracle:linux:sgabios, p-cpe:/a:oracle:linux:libvirt-daemon-driver-storage-core, p-cpe:/a:oracle:linux:nbdkit-server, cpe:/a:oracle:linux:8:9:appstream_base, p-cpe:/a:oracle:linux:nbdkit-example-plugins, p-cpe:/a:oracle:linux:libvirt-daemon-driver-storage, p-cpe:/a:oracle:linux:qemu-kvm-common, p-cpe:/a:oracle:linux:lua-guestfs, p-cpe:/a:oracle:linux:libvirt-wireshark, p-cpe:/a:oracle:linux:ocaml-hivex-devel, p-cpe:/a:oracle:linux:libvirt-daemon-driver-secret, p-cpe:/a:oracle:linux:libvirt-daemon-driver-storage-iscsi, p-cpe:/a:oracle:linux:netcf-libs, p-cpe:/a:oracle:linux:libtpms, p-cpe:/a:oracle:linux:nbdkit-devel, p-cpe:/a:oracle:linux:libvirt-daemon-driver-storage-logical, p-cpe:/a:oracle:linux:libvirt-daemon-driver-storage-iscsi-direct, p-cpe:/a:oracle:linux:qemu-img, p-cpe:/a:oracle:linux:swtpm, p-cpe:/a:oracle:linux:qemu-kvm-block-curl, p-cpe:/a:oracle:linux:qemu-kvm-ui-spice, p-cpe:/a:oracle:linux:qemu-kvm-core, cpe:/o:oracle:linux:8, p-cpe:/a:oracle:linux:perl-hivex, p-cpe:/a:oracle:linux:ocaml-libnbd, p-cpe:/a:oracle:linux:nbdkit-nbd-plugin, p-cpe:/a:oracle:linux:libvirt-daemon-kvm, p-cpe:/a:oracle:linux:nbdkit-xz-filter, p-cpe:/a:oracle:linux:qemu-guest-agent, p-cpe:/a:oracle:linux:libguestfs-man-pages-ja, p-cpe:/a:oracle:linux:nbdkit-tar-plugin, p-cpe:/a:oracle:linux:nbdkit-bash-completion, p-cpe:/a:oracle:linux:libguestfs-java-devel, p-cpe:/a:oracle:linux:libvirt-daemon-driver-nwfilter, p-cpe:/a:oracle:linux:nbdkit-ssh-plugin, p-cpe:/a:oracle:linux:qemu-kvm-hw-usbredir, p-cpe:/a:oracle:linux:virt-v2v-bash-completion, p-cpe:/a:oracle:linux:libvirt-docs, p-cpe:/a:oracle:linux:nbdfuse, p-cpe:/a:oracle:linux:virt-v2v-man-pages-ja, p-cpe:/a:oracle:linux:libvirt-daemon-driver-interface, p-cpe:/a:oracle:linux:supermin, p-cpe:/a:oracle:linux:libvirt-client, p-cpe:/a:oracle:linux:ocaml-libguestfs-devel, p-cpe:/a:oracle:linux:libguestfs-xfs, p-cpe:/a:oracle:linux:ocaml-libguestfs, p-cpe:/a:oracle:linux:ocaml-libnbd-devel, p-cpe:/a:oracle:linux:libnbd-bash-completion, p-cpe:/a:oracle:linux:virt-v2v, p-cpe:/a:oracle:linux:libnbd, p-cpe:/a:oracle:linux:nbdkit-curl-plugin, p-cpe:/a:oracle:linux:qemu-kvm-ui-opengl, p-cpe:/a:oracle:linux:libnbd-devel, p-cpe:/a:oracle:linux:libguestfs-rescue, p-cpe:/a:oracle:linux:qemu-kvm-docs, p-cpe:/a:oracle:linux:libtpms-devel, p-cpe:/a:oracle:linux:virt-v2v-man-pages-uk, p-cpe:/a:oracle:linux:nbdkit, p-cpe:/a:oracle:linux:qemu-kvm-block-ssh, p-cpe:/a:oracle:linux:libvirt-daemon-driver-storage-rbd, p-cpe:/a:oracle:linux:libvirt-daemon-driver-storage-gluster, p-cpe:/a:oracle:linux:hivex, p-cpe:/a:oracle:linux:libvirt-daemon-driver-network, p-cpe:/a:oracle:linux:seabios-bin, p-cpe:/a:oracle:linux:nbdkit-gzip-filter, p-cpe:/a:oracle:linux:libguestfs, p-cpe:/a:oracle:linux:libguestfs-gobject, p-cpe:/a:oracle:linux:libvirt-daemon-driver-storage-mpath, p-cpe:/a:oracle:linux:qemu-kvm-tests, p-cpe:/a:oracle:linux:libguestfs-winsupport, p-cpe:/a:oracle:linux:libvirt-daemon-driver-nodedev, p-cpe:/a:oracle:linux:libguestfs-appliance, p-cpe:/a:oracle:linux:nbdkit-python-plugin, p-cpe:/a:oracle:linux:supermin-devel, p-cpe:/a:oracle:linux:seavgabios-bin, p-cpe:/a:oracle:linux:seabios, cpe:/a:oracle:linux:8::codeready_builder, p-cpe:/a:oracle:linux:libguestfs-java, p-cpe:/a:oracle:linux:libvirt-devel, p-cpe:/a:oracle:linux:netcf-devel, p-cpe:/a:oracle:linux:swtpm-tools, p-cpe:/a:oracle:linux:qemu-kvm-block-iscsi, p-cpe:/a:oracle:linux:swtpm-libs, p-cpe:/a:oracle:linux:python3-hivex, p-cpe:/a:oracle:linux:libvirt-daemon, p-cpe:/a:oracle:linux:nbdkit-basic-filters, p-cpe:/a:oracle:linux:ruby-hivex, p-cpe:/a:oracle:linux:libiscsi-utils, p-cpe:/a:oracle:linux:python3-libnbd

必需的 KB 项: Host/local_checks_enabled, Host/RedHat/release, Host/RedHat/rpm-list, Host/OracleLinux

可利用: true

易利用性: Exploits are available

补丁发布日期: 2023/11/18

漏洞发布日期: 2022/5/2

参考资料信息

CVE: CVE-2021-3750, CVE-2023-3301