RHEL 8:virt: 8.2 和 virt-devel: 8.2 (RHSA-2021: 2521)

medium Nessus 插件 ID 151018

简介

远程 Red Hat 主机缺少一个或多个安全更新。

描述

远程 Redhat Enterprise Linux 8 主机上安装的程序包受到 RHSA-2021: 2521 公告中提及的漏洞的影响。

- QEMU: msix:mmio 操作期间的 OOB 访问可能导致 DoS (CVE-2020-13754)

- qemu:通过中断 ID 字段的越界堆缓冲区访问 (CVE-2021-20221)

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=1924601

https://access.redhat.com/errata/RHSA-2021:2521

https://bugzilla.redhat.com/show_bug.cgi?id=1842363

https://access.redhat.com/security/updates/classification/#moderate

http://www.nessus.org/u?6d5ea58b

插件详情

严重性: Medium

ID: 151018

文件名: redhat-RHSA-2021-2521.nasl

版本: 1.7

类型: local

代理: unix

发布时间: 2021/6/27

最近更新时间: 2024/4/28

支持的传感器: Frictionless Assessment AWS, Frictionless Assessment Azure, Frictionless Assessment Agent, Nessus Agent, Agentless Assessment, Nessus

风险信息

VPR

风险因素: Medium

分数: 5.9

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:N/C:P/I:P/A:P

CVSS 分数来源: CVE-2020-13754

CVSS v3

风险因素: Medium

基本分数: 6.7

时间分数: 5.8

矢量: CVSS:3.0/AV:L/AC:L/PR:H/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: p-cpe:/a:redhat:enterprise_linux:libvirt-daemon-driver-storage, p-cpe:/a:redhat:enterprise_linux:sgabios-bin, p-cpe:/a:redhat:enterprise_linux:nbdkit-gzip-plugin, p-cpe:/a:redhat:enterprise_linux:ocaml-hivex, p-cpe:/a:redhat:enterprise_linux:swtpm-libs, p-cpe:/a:redhat:enterprise_linux:qemu-img, p-cpe:/a:redhat:enterprise_linux:libguestfs-tools, p-cpe:/a:redhat:enterprise_linux:libvirt-daemon, p-cpe:/a:redhat:enterprise_linux:virglrenderer-devel, p-cpe:/a:redhat:enterprise_linux:nbdkit-ssh-plugin, p-cpe:/a:redhat:enterprise_linux:libguestfs-devel, p-cpe:/a:redhat:enterprise_linux:netcf, p-cpe:/a:redhat:enterprise_linux:libguestfs-winsupport, p-cpe:/a:redhat:enterprise_linux:swtpm-tools, p-cpe:/a:redhat:enterprise_linux:libvirt-daemon-driver-storage-core, p-cpe:/a:redhat:enterprise_linux:libvirt-daemon-driver-storage-scsi, p-cpe:/a:redhat:enterprise_linux:supermin-devel, p-cpe:/a:redhat:enterprise_linux:nbdfuse, p-cpe:/a:redhat:enterprise_linux:libvirt-daemon-driver-storage-iscsi-direct, p-cpe:/a:redhat:enterprise_linux:libvirt-nss, p-cpe:/a:redhat:enterprise_linux:nbdkit-linuxdisk-plugin, p-cpe:/a:redhat:enterprise_linux:libvirt-daemon-config-network, p-cpe:/a:redhat:enterprise_linux:seavgabios-bin, p-cpe:/a:redhat:enterprise_linux:libguestfs-rescue, p-cpe:/a:redhat:enterprise_linux:qemu-kvm-tests, p-cpe:/a:redhat:enterprise_linux:nbdkit, p-cpe:/a:redhat:enterprise_linux:libvirt-daemon-driver-secret, p-cpe:/a:redhat:enterprise_linux:libguestfs-java-devel, p-cpe:/a:redhat:enterprise_linux:hivex, 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:ocaml-hivex-devel, p-cpe:/a:redhat:enterprise_linux:libvirt-admin, p-cpe:/a:redhat:enterprise_linux:nbdkit-bash-completion, p-cpe:/a:redhat:enterprise_linux:perl-hivex, p-cpe:/a:redhat:enterprise_linux:libvirt-python, p-cpe:/a:redhat:enterprise_linux:libguestfs-java, p-cpe:/a:redhat:enterprise_linux:libguestfs-gfs2, p-cpe:/a:redhat:enterprise_linux:ocaml-libguestfs-devel, p-cpe:/a:redhat:enterprise_linux:libvirt-client, p-cpe:/a:redhat:enterprise_linux:qemu-kvm-block-curl, p-cpe:/a:redhat:enterprise_linux:python-pyvmomi, p-cpe:/a:redhat:enterprise_linux:netcf-libs, p-cpe:/a:redhat:enterprise_linux:libguestfs-xfs, p-cpe:/a:redhat:enterprise_linux:libvirt-bash-completion, p-cpe:/a:redhat:enterprise_linux:libvirt-dbus, p-cpe:/a:redhat:enterprise_linux:libguestfs-gobject, p-cpe:/a:redhat:enterprise_linux:virglrenderer-test-server, p-cpe:/a:redhat:enterprise_linux:nbdkit-server, p-cpe:/a:redhat:enterprise_linux:nbdkit-xz-filter, p-cpe:/a:redhat:enterprise_linux:python3-libguestfs, p-cpe:/a:redhat:enterprise_linux:ocaml-libnbd-devel, p-cpe:/a:redhat:enterprise_linux:libvirt-libs, p-cpe:/a:redhat:enterprise_linux:seabios, p-cpe:/a:redhat:enterprise_linux:sgabios, p-cpe:/a:redhat:enterprise_linux:swtpm-devel, p-cpe:/a:redhat:enterprise_linux:slof, p-cpe:/a:redhat:enterprise_linux:libvirt-daemon-driver-storage-mpath, p-cpe:/a:redhat:enterprise_linux:nbdkit-vddk-plugin, p-cpe:/a:redhat:enterprise_linux:perl-sys-virt, p-cpe:/a:redhat:enterprise_linux:qemu-kvm-block-rbd, p-cpe:/a:redhat:enterprise_linux:libguestfs-gobject-devel, p-cpe:/a:redhat:enterprise_linux:libnbd-devel, p-cpe:/a:redhat:enterprise_linux:libtpms, p-cpe:/a:redhat:enterprise_linux:libvirt-daemon-driver-storage-rbd, p-cpe:/a:redhat:enterprise_linux:libguestfs-inspect-icons, p-cpe:/a:redhat:enterprise_linux:libvirt-daemon-driver-storage-logical, p-cpe:/a:redhat:enterprise_linux:libguestfs, p-cpe:/a:redhat:enterprise_linux:netcf-devel, p-cpe:/a:redhat:enterprise_linux:perl-sys-guestfs, p-cpe:/a:redhat:enterprise_linux:libvirt-daemon-driver-storage-gluster, p-cpe:/a:redhat:enterprise_linux:virt-v2v, p-cpe:/a:redhat:enterprise_linux:libtpms-devel, cpe:/o:redhat:enterprise_linux:8, p-cpe:/a:redhat:enterprise_linux:libguestfs-bash-completion, p-cpe:/a:redhat:enterprise_linux:qemu-kvm-core, p-cpe:/a:redhat:enterprise_linux:ruby-libguestfs, p-cpe:/a:redhat:enterprise_linux:qemu-kvm-block-iscsi, p-cpe:/a:redhat:enterprise_linux:nbdkit-basic-plugins, p-cpe:/a:redhat:enterprise_linux:virt-dib, p-cpe:/a:redhat:enterprise_linux:libvirt-daemon-driver-nodedev, p-cpe:/a:redhat:enterprise_linux:ocaml-libguestfs, 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-interface, p-cpe:/a:redhat:enterprise_linux:qemu-kvm-common, p-cpe:/a:redhat:enterprise_linux:nbdkit-example-plugins, p-cpe:/a:redhat:enterprise_linux:libguestfs-man-pages-ja, p-cpe:/a:redhat:enterprise_linux:libvirt-docs, p-cpe:/a:redhat:enterprise_linux:libguestfs-rsync, p-cpe:/a:redhat:enterprise_linux:libvirt-daemon-kvm, p-cpe:/a:redhat:enterprise_linux:python3-hivex, p-cpe:/a:redhat:enterprise_linux:qemu-guest-agent, p-cpe:/a:redhat:enterprise_linux:seabios-bin, p-cpe:/a:redhat:enterprise_linux:libiscsi-devel, p-cpe:/a:redhat:enterprise_linux:libvirt-daemon-driver-storage-iscsi, p-cpe:/a:redhat:enterprise_linux:qemu-kvm, p-cpe:/a:redhat:enterprise_linux:swtpm, p-cpe:/a:redhat:enterprise_linux:virglrenderer, p-cpe:/a:redhat:enterprise_linux:python3-pyvmomi, p-cpe:/a:redhat:enterprise_linux:python3-libnbd, p-cpe:/a:redhat:enterprise_linux:libguestfs-man-pages-uk, p-cpe:/a:redhat:enterprise_linux:ruby-hivex, p-cpe:/a:redhat:enterprise_linux:nbdkit-curl-plugin, p-cpe:/a:redhat:enterprise_linux:nbdkit-devel, p-cpe:/a:redhat:enterprise_linux:nbdkit-python-plugin, p-cpe:/a:redhat:enterprise_linux:libguestfs-tools-c, p-cpe:/a:redhat:enterprise_linux:python3-libvirt, p-cpe:/a:redhat:enterprise_linux:libvirt-daemon-config-nwfilter, p-cpe:/a:redhat:enterprise_linux:hivex-devel, p-cpe:/a:redhat:enterprise_linux:ocaml-libnbd, p-cpe:/a:redhat:enterprise_linux:qemu-kvm-block-ssh, p-cpe:/a:redhat:enterprise_linux:libvirt, p-cpe:/a:redhat:enterprise_linux:libvirt-daemon-driver-network, p-cpe:/a:redhat:enterprise_linux:qemu-kvm-block-gluster, p-cpe:/a:redhat:enterprise_linux:libiscsi, p-cpe:/a:redhat:enterprise_linux:libiscsi-utils, p-cpe:/a:redhat:enterprise_linux:nbdkit-basic-filters, p-cpe:/a:redhat:enterprise_linux:supermin, p-cpe:/a:redhat:enterprise_linux:libnbd, p-cpe:/a:redhat:enterprise_linux:libguestfs-benchmarking, p-cpe:/a:redhat:enterprise_linux:lua-guestfs, p-cpe:/a:redhat:enterprise_linux:libguestfs-javadoc, p-cpe:/a:redhat:enterprise_linux:libvirt-lock-sanlock

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: 2021/6/22

漏洞发布日期: 2020/6/2

参考资料信息

CVE: CVE-2020-13754, CVE-2021-20221

CWE: 787

IAVB: 2020-B-0041-S

RHSA: 2021:2521