Rocky Linux 8virt:rhel 和 virt-devel:rhel (RLSA-2022:7472)

medium Nessus 插件 ID 184779

简介

远程 Rocky Linux 主机缺少一个或多个安全更新。

描述

远程 Rocky Linux 8 主机上存在安装的程序包该程序包受到公告 RLSA-2022:7472 中提及的多个漏洞的影响。

- 在 QEMU 及 6.0.0(含)之前版本的软盘仿真器中发现堆缓冲区溢出。处理从软盘驱动器到客户机系统的 DMA 读取数据传输时,它可能发生在 hw/block/fdc.c 的 fdctrl_transfer_handler() 中。有特权的客户机用户可能利用此缺陷造成主机上的 QEMU 进程崩溃,进而导致 DoS 情形,或可能从主机内存中导致信息泄露。(CVE-2021-3507)

- 在 libvirt nwfilter 驱动程序中发现一个缺陷。在迭代 virNWFilterObj 实例之前,virNWFilterObjListNumOfNWFilters 方法无法获取 driver->nwfilters 互斥体。没有保护机制可以阻止其他线程并行修改 driver->nwfilters 对象。此缺陷允许恶意的无特权用户通过 libvirt 的 API virConnectNumOfNWFilters 利用此问题,从而使网络过滤器管理后台程序 (libvirtd/virtnwfilterd) 崩溃。(CVE-2022-0897)

- 在 libguestfs 中发现一个漏洞。在 get_keys() 函数中计算匹配密钥的最大可能数时会发生此问题。此缺陷会导致拒绝服务,无论是错误的还是恶意的。(CVE-2022-2211)

- swtpm 是基于 libtpms 的 TPM 仿真器,包含套接字、字符设备和 Linux CUSE 接口。 0.5.3、 0.6.2 和 0.7.1 之前的版本易受到越界读取的影响。访问表示 TPM 状态的字节数组时,特别构建的 swtpm 状态标头(其中 blobheader 的 hdrsize 指示符具有无效值)可能导致越界访问。由于无法识别状态,这可能会使 swtpm 崩溃或阻止其启动。用户应将版本升级到 swtpm v0.5.3、v0.6.2 或 v0.7.1 以接收补丁。目前尚无已知的变通方案。(CVE-2022-23645)

请注意,Nessus 尚未测试这些问题,而是只依靠应用程序自我报告的版本号来判断。

解决方案

更新受影响的程序包。

另见

https://errata.rockylinux.org/RLSA-2022:7472

https://bugzilla.redhat.com/show_bug.cgi?id=1519071

https://bugzilla.redhat.com/show_bug.cgi?id=1851227

https://bugzilla.redhat.com/show_bug.cgi?id=1951118

https://bugzilla.redhat.com/show_bug.cgi?id=1985827

https://bugzilla.redhat.com/show_bug.cgi?id=2028823

https://bugzilla.redhat.com/show_bug.cgi?id=2029980

https://bugzilla.redhat.com/show_bug.cgi?id=2051332

https://bugzilla.redhat.com/show_bug.cgi?id=2056491

https://bugzilla.redhat.com/show_bug.cgi?id=2060843

https://bugzilla.redhat.com/show_bug.cgi?id=2062610

https://bugzilla.redhat.com/show_bug.cgi?id=2062611

https://bugzilla.redhat.com/show_bug.cgi?id=2063883

https://bugzilla.redhat.com/show_bug.cgi?id=2066828

https://bugzilla.redhat.com/show_bug.cgi?id=2067118

https://bugzilla.redhat.com/show_bug.cgi?id=2067126

https://bugzilla.redhat.com/show_bug.cgi?id=2069946

https://bugzilla.redhat.com/show_bug.cgi?id=2070417

https://bugzilla.redhat.com/show_bug.cgi?id=2071070

https://bugzilla.redhat.com/show_bug.cgi?id=2072049

https://bugzilla.redhat.com/show_bug.cgi?id=2072377

https://bugzilla.redhat.com/show_bug.cgi?id=2072932

https://bugzilla.redhat.com/show_bug.cgi?id=2073012

https://bugzilla.redhat.com/show_bug.cgi?id=2075424

https://bugzilla.redhat.com/show_bug.cgi?id=2079582

https://bugzilla.redhat.com/show_bug.cgi?id=2083884

https://bugzilla.redhat.com/show_bug.cgi?id=2084566

https://bugzilla.redhat.com/show_bug.cgi?id=2089433

https://bugzilla.redhat.com/show_bug.cgi?id=2089623

https://bugzilla.redhat.com/show_bug.cgi?id=2091597

https://bugzilla.redhat.com/show_bug.cgi?id=2092756

https://bugzilla.redhat.com/show_bug.cgi?id=2095758

https://bugzilla.redhat.com/show_bug.cgi?id=2097209

https://bugzilla.redhat.com/show_bug.cgi?id=2097652

https://bugzilla.redhat.com/show_bug.cgi?id=2097947

https://bugzilla.redhat.com/show_bug.cgi?id=2100508

https://bugzilla.redhat.com/show_bug.cgi?id=2100862

https://bugzilla.redhat.com/show_bug.cgi?id=2101575

https://bugzilla.redhat.com/show_bug.cgi?id=2101787

https://bugzilla.redhat.com/show_bug.cgi?id=2107954

https://bugzilla.redhat.com/show_bug.cgi?id=2110203

https://bugzilla.redhat.com/show_bug.cgi?id=2111433

https://bugzilla.redhat.com/show_bug.cgi?id=2112296

https://bugzilla.redhat.com/show_bug.cgi?id=2120279

https://bugzilla.redhat.com/show_bug.cgi?id=2127109

插件详情

严重性: Medium

ID: 184779

文件名: rocky_linux_RLSA-2022-7472.nasl

版本: 1.0

类型: local

发布时间: 2023/11/6

最近更新时间: 2023/11/6

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

风险信息

VPR

风险因素: Medium

分数: 5.0

CVSS v2

风险因素: Low

基本分数: 3.6

时间分数: 2.8

矢量: CVSS2#AV:L/AC:L/Au:N/C:P/I:N/A:P

CVSS 分数来源: CVE-2021-3507

CVSS v3

风险因素: Medium

基本分数: 6.1

时间分数: 5.5

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

时间矢量: CVSS:3.0/E:P/RL:O/RC:C

漏洞信息

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

必需的 KB 项: Host/local_checks_enabled, Host/cpu, Host/RockyLinux/release, Host/RockyLinux/rpm-list

可利用: true

易利用性: Exploits are available

补丁发布日期: 2022/11/8

漏洞发布日期: 2021/5/6

参考资料信息

CVE: CVE-2021-3507, CVE-2022-0897, CVE-2022-2211, CVE-2022-23645