Oracle Linux 8：virt:kvm_utils3 (ELSA-2026-50239)

medium Nessus Plugin ID 310544

語言:

概要

遠端 Oracle Linux 主機缺少一個或多個安全性更新。

說明

遠端 Oracle Linux 8 主機中安裝的套件受到 ELSA-2026-50239 公告中提及的多個弱點影響。

- 限制 ri 記錄CVE-2021-3622中的遞迴（）解析： rhbz#1976194
- 區塊超過頁長（CVE-2021-3504）的邊界檢查會解決： rhbz#1950501
- 修正：CVE-2022-40284
- 修正：CVE-2021-46790、CVE-2022-30783、CVE-2022-30784、CVE-2022-30785、CVE-2022-30786、CVE-2022-30787、CVE-2022-30788、CVE-2022-30789 解決：rhbz#2127240 rhbz#2127248 (又作：2127233 2127234 2127241 2127249 2127255 2127256 2127262 2127263)
- 修正 CVE-2021-33285、CVE-2021-33286、CVE-2021-33287、CVE-2021-33289、CVE-2021-35266、CVE-2021-35267、CVE-2021-35268、CVE-2021-35269、CVE-2021-39251、CVE-2021-39252、CVE-2021-39253、CVE-2021-39254 解決：rhbz#2004490
- CVE-2019-9755 的修正 (堆積型緩衝區溢位導致本機 root 特權提升) 解決：rhbz#1698503
- 修正 CVE-2024-7383 NBD 伺服器的憑證驗證不當問題，解決：RHEL-52728
- 修正 CVE-2022-0485：如果 NBD 讀取或寫入失敗，則使 nbdcopy 失敗解決：rhbz#2045718
- 包含 NBD 通訊協定降級攻擊的修正 (CVE-2019-14842)。
- 修正 CVE-2025-49133 解決：RHEL-96251
- 回埠 'tpm2：存取前檢查緩衝區大小」（CVE-2023-1017 和 CVE-2023-1018）解析： rhbz#2173964 解析： rhbz#2173970
- 修正 CVE-2021-3746 libtpms：透過特製的 TPM 2 命令封包造成超出邊界存取解決：rhbz#1999307
- 修正 CVE-2021-3623：嘗試恢復 vTPM 的狀態時發生超出邊界存取修正：rhbz#1976816
- 修正 CVE-2021-3716 STARTTLS 上的 NBD_OPT_STRUCTURED_REPLY 插入弱點解決：rhbz#1994915
- 文件 CVE（Mark Kanda）{CVE-2025-54566} {CVE-2025-54567} {CVE-2025-8860} {}CVE-2026-0665 {}CVE-2026-3886
- hw/usb/hcd-ohci：檢查 MPS=0 以避免無限迴圈（Jenny Guanni Qu）[Orabug： 39160764] {CVE-2026-3890}
- hyperv/syndbg：由 cpu_physical_memory_map（）回傳的檢查長度（Paolo Bonzini） [Orabug： 39160749] {CVE-2026-3842}
- block/vmdk：修正 vmdk_read_extent（）（Halil Oktay） [Orabug： 39160776] {CVE-2026-2243}
- cryptodev-builtin：限制最大大小（zhenwei pi） [Orabug： 39173335] {CVE-2025-14876}
- hw/virtio/virtio-crypto：驗證非正稱請求大小（zhenwei pi） [Orabug： 39173335] {CVE-2025-14876}
- io：修正 websocket 握手程式碼中自由後的使用（Daniel P. Berrange）[Orabug： 38687831] {CVE-2025-11234}
- hw/usb/hcd-uhci：不為非0端點的SETUP斷言（Peter Maydell）[Orabug： 37517799] {CVE-2024-8354}
- 新增修正。CVE-2022-23645
解決：rhbz#2056517
- 0.4.2 的更新，可解決潛在的符號連結弱點 (CVE-2020-28407)。
解決：rhbz#1906043
- 修正 --key 參數中的 CVE-2022-2211 拒絕服務，解決：rhbz#2102720

Tenable 已直接從 Oracle Linux 安全公告擷取前置描述區塊。

請注意，Nessus 並未測試這些問題，而是僅依據應用程式自我報告的版本號碼作出判斷。

解決方案

更新受影響的套件。

另請參閱

https://linux.oracle.com/errata/ELSA-2026-50239.html

Plugin 詳細資訊

嚴重性: Medium

ID: 310544

檔案名稱: oraclelinux_ELSA-2026-50239.nasl

版本: 1.1

類型: Local

代理程式: unix

系列: Oracle Linux Local Security Checks

已發布: 2026/4/27

已更新: 2026/4/27

支援的感應器: Frictionless Assessment Agent, Nessus Agent, Continuous Assessment, Nessus

風險資訊

VPR

風險因素: Medium

分數: 4.4

CVSS v2

風險因素: Medium

基本分數: 4.8

時間性分數: 3.5

媒介: CVSS2#AV:A/AC:L/Au:N/C:N/I:P/A:P

CVSS 評分資料來源: CVE-2025-54567

CVSS v3

風險因素: Medium

基本分數: 5.4

時間性分數: 4.7

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

時間媒介: CVSS:3.0/E:U/RL:O/RC:C

弱點資訊

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

必要的 KB 項目: Host/local_checks_enabled, Host/RedHat/release, Host/RedHat/rpm-list, Host/OracleLinux

可輕鬆利用: No known exploits are available

修補程式發佈日期: 2026/4/24

弱點發布日期: 2025/7/25

參考資訊

CVE: CVE-2025-14876, CVE-2025-54566, CVE-2025-54567, CVE-2025-8860, CVE-2026-0665, CVE-2026-2243