OracleVM 3.4:xen (OVMSA-2018-0020) (Meltdown) (Spectre)

high Nessus Plugin ID 107129
新推出!Plugin 嚴重性目前使用 CVSS v3

計算 Plugin 嚴重性已更新為預設使用 CVSS v3 沒有 CVSS v3 評分的 Plugin 會回歸到以 CVSS v2 計算嚴重性。您可在設定下拉式選單中切換顯示嚴重性的喜好設定

Synopsis

遠端 OracleVM 主機缺少一個或多個安全性更新。

描述

遠端 OracleVM 系統缺少可解決重大安全性更新的必要修補程式:

- BUILDINFO:OVMF commit=173bf5c847e3ca8b42c11796ce048d8e2e916ff8

- BUILDINFO:xen commit=9ccc143584e12027a8db854d19ce8a120d22cfac

- BUILDINFO:QEMU 上游 commit=8bff6989bd0bafcc0ddf859c23ce6a2ff21a80ff

- BUILDINFO:傳統 QEMU commit=346fdd7edd73f8287d0d0a2bab9c67b71bc6b8ba

- BUILDINFO:IPXE commit=9a93db3f0947484e30e753bbd61a10b17336e20e

- BUILDINFO:SeaBIOS commit=7d9cbe613694924921ed1a6f8947d711c5832eee

- gnttab:版本變更後,請勿盲目釋放狀態頁 (Andrew Cooper) [Orabug:27614581] (CVE-2018-7541)

- 記憶體:請勿暗中取消對 decrease-reservation 的固定 (Andrew Cooper) [Orabug:27614605] (CVE-2018-7540)

- xend:如果 bios 中的 smt 關閉,允許設置拓撲 (Elena Ufimtseva)

- x86/svm:功能不受支援時,清除 CPUID IBPB (Elena Ufimtseva) [Orabug:27416699]

- x86/domain:在 cpuid_policy_changed 之前移動 hvm_vcpu_initialize (Elena Ufimtseva) [Orabug:
27416699]

- x86、amd_ucode:支援將多個容器文件附加在一起 (Aravind Gopalakrishnan) [Orabug:27416699]

- x86/intel:將預設調控器更改為性能 (Joao Martins)

- x86/cpuidle:勘誤表 AAJ72 導致深層 C 狀態停用 (Joao Martins) [Orabug:27614625]

- 恢復「將最大 cstate 設置為1」(Joao Martins) [Orabug:27614625]

- x86/cpuidle:添加新的 CPU 系列 (Jan Beulich) [Orabug:27614625]

- x86/Intel:Broadwell 沒有 PKG_C[8,9,10]_RESIDENCY MSR (Jan Beulich) [Orabug:27614625]

- x86:支援更新的 Intel CPU 型號 (Jan Beulich) [Orabug:27614625]

- mwait-idle:添加 KBL 支援 (Len Brown) [Orabug:
27614625]

- mwait-idle:添加 SKX 支援 (Len Brown)&nbsp [Orabug:
27614625]

- mwait_idle:Skylake 客戶端支援 (Len Brown) [Orabug:27614625]

- x86:支援更新的 Intel CPU 型號 (Jan Beulich) [Orabug:27614625]

- x86/idle:更新以納入其他套件/核心駐留 MSR (Jan Beulich) [Orabug:27614625]

- mwait-idle:支援其他 Broadwell 模型 (Len Brown) [Orabug:27614625]

- x86/mwait-idle:Broadwell 支援 (Len Brown) [Orabug:27614625]

- x86/mwait-idle:停用 Baytrail 核心和 C6 auto-demotion 模塊 (Len Brown) [Orabug:27614625]

- mwait-idle:添加 CPU 型號 54 (Atom N2000 系列) (Jan Kiszka) [Orabug:27614625]

- mwait-idle:支援 Bay Trail (Len Brown) [Orabug:
27614625]

- mwait-idle:允許 Bay Trail 中稀疏的子狀態數量 (Len Brown) [Orabug:27614625]

- BUILDINFO:OVMF commit=173bf5c847e3ca8b42c11796ce048d8e2e916ff8

- BUILDINFO:xen commit=c837c35e1c04791a50f930926ba815ca5b4d3661

- BUILDINFO:QEMU 上游 commit=8bff6989bd0bafcc0ddf859c23ce6a2ff21a80ff

- BUILDINFO:傳統 QEMU commit=346fdd7edd73f8287d0d0a2bab9c67b71bc6b8ba

- BUILDINFO:IPXE commit=9a93db3f0947484e30e753bbd61a10b17336e20e

- BUILDINFO:SeaBIOS commit=7d9cbe613694924921ed1a6f8947d711c5832eee

- xend:客體重新啟動時還原 smt 參數 (Elena Ufimtseva) [Orabug:27574191]

- BUILDINFO:OVMF commit=173bf5c847e3ca8b42c11796ce048d8e2e916ff8

- BUILDINFO:xen commit=f36f7903ae0886ab4ef7e3e01c83c9dba819537b

- BUILDINFO:QEMU 上游 commit=8bff6989bd0bafcc0ddf859c23ce6a2ff21a80ff

- BUILDINFO:傳統 QEMU commit=346fdd7edd73f8287d0d0a2bab9c67b71bc6b8ba

- BUILDINFO:IPXE commit=9a93db3f0947484e30e753bbd61a10b17336e20e

- BUILDINFO:SeaBIOS commit=7d9cbe613694924921ed1a6f8947d711c5832eee

- x86/spec_ctrl:修復 SPEC_CTRL_ENTRY_FROM_INTR_IST 中的數個錯誤 (Andrew Cooper) [Orabug:27553369] (CVE-2017-5753) (CVE-2017-5715) (CVE-2017-5754)

- x86:允許更輕鬆地停用 BTI 緩解措施 (Zhenzhong Duan) [Orabug:27553369] (CVE-2017-5753) (CVE-2017-5715) (CVE-2017-5754)

- x86/boot:對 NMI-safe 進行替代修補 (Andrew Cooper) [Orabug:27553369] (CVE-2017-5753) (CVE-2017-5715) (CVE-2017-5754)

- xen/cmdline:修復未經裝飾的值的 parse_boolean (Andrew Cooper)[Orabug:27553369] (CVE-2017-5753) (CVE-2017-5715) (CVE-2017-5754)

- 稍微優化上下文切換代碼 (Zhenzhong Duan) [Orabug:27553369] (CVE-2017-5753) (CVE-2017-5715) (CVE-2017-5754)

- 將 init_speculation_mitigations 更新至上游版本 (Zhenzhong Duan) [Orabug:27553369] (CVE-2017-5753) (CVE-2017-5715) (CVE-2017-5754)

- x86/entry:避免在 NMI/#MC 路徑中使用替代項 (Andrew Cooper) [Orabug:27553369] (CVE-2017-5753) (CVE-2017-5715) (CVE-2017-5754)

- 將 RSB 相關實現更新至上游版本 (Zhenzhong Duan) [Orabug:27553369] (CVE-2017-5753) (CVE-2017-5715) (CVE-2017-5754)

- BUILDINFO:OVMF commit=173bf5c847e3ca8b42c11796ce048d8e2e916ff8

- BUILDINFO:xen commit=bdecffda647e17f8aaeb4057bd1064236075bc9c

- BUILDINFO:QEMU 上游 commit=8bff6989bd0bafcc0ddf859c23ce6a2ff21a80ff

- BUILDINFO:傳統 QEMU commit=346fdd7edd73f8287d0d0a2bab9c67b71bc6b8ba

- BUILDINFO:IPXE commit=9a93db3f0947484e30e753bbd61a10b17336e20e

- BUILDINFO:SeaBIOS commit=7d9cbe613694924921ed1a6f8947d711c5832eee

- xend:如果啟用安全啟動,請勿寫入 pci 配置空間 (Elena Ufimtseva) [Orabug:27533309]

- BUILDINFO:OVMF commit=173bf5c847e3ca8b42c11796ce048d8e2e916ff8

- BUILDINFO:xen commit=46aa4f995b266e9dc0bce98b448423c5fdc79fde

- BUILDINFO:QEMU 上游 commit=8bff6989bd0bafcc0ddf859c23ce6a2ff21a80ff

- BUILDINFO:傳統 QEMU commit=346fdd7edd73f8287d0d0a2bab9c67b71bc6b8ba

- BUILDINFO:IPXE commit=9a93db3f0947484e30e753bbd61a10b17336e20e

- BUILDINFO:SeaBIOS commit=7d9cbe613694924921ed1a6f8947d711c5832eee

- hvmloader:修正 init_vnuma_info 失敗時的 nr_vnodes (Annie Li)

- BUILDINFO:OVMF commit=173bf5c847e3ca8b42c11796ce048d8e2e916ff8

- BUILDINFO:xen commit=1fb819ca1b801af1f59983f34776501336a57979

- BUILDINFO:QEMU 上游 commit=8bff6989bd0bafcc0ddf859c23ce6a2ff21a80ff

- BUILDINFO:傳統 QEMU commit=346fdd7edd73f8287d0d0a2bab9c67b71bc6b8ba

- BUILDINFO:IPXE commit=9a93db3f0947484e30e753bbd61a10b17336e20e

- BUILDINFO:SeaBIOS commit=7d9cbe613694924921ed1a6f8947d711c5832eee

- 如果目標不允許運行 pv 客體,遷移將失敗 (Annie Li) [Orabug:27465310]

- BUILDINFO:OVMF commit=173bf5c847e3ca8b42c11796ce048d8e2e916ff8

- BUILDINFO:xen commit=dfc241a5b6a952bde385b1d68ef42acf8f80302c

- BUILDINFO:QEMU 上游 commit=8bff6989bd0bafcc0ddf859c23ce6a2ff21a80ff

- BUILDINFO:傳統 QEMU commit=346fdd7edd73f8287d0d0a2bab9c67b71bc6b8ba

- BUILDINFO:IPXE commit=9a93db3f0947484e30e753bbd61a10b17336e20e

- BUILDINFO:SeaBIOS commit=7d9cbe613694924921ed1a6f8947d711c5832eee

- x86:洩漏 CPUID.7、EDX.26->27 和 CPUID.0x80000008、EBX.12 (redux) (Konrad Rzeszutek Wilk) [Orabug:
27445667]

- BUILDINFO:OVMF commit=173bf5c847e3ca8b42c11796ce048d8e2e916ff8

- BUILDINFO:xen commit=d5afa57c42732dc35a572582099c67ee3c397434

- BUILDINFO:QEMU 上游 commit=8bff6989bd0bafcc0ddf859c23ce6a2ff21a80ff

- BUILDINFO:傳統 QEMU commit=346fdd7edd73f8287d0d0a2bab9c67b71bc6b8ba

- BUILDINFO:IPXE commit=9a93db3f0947484e30e753bbd61a10b17336e20e

- BUILDINFO:SeaBIOS commit=7d9cbe613694924921ed1a6f8947d711c5832eee

- 預設情況下,啟用在 OVM3.4.4 上建立 pv 客體 (Annie Li) [Orabug:27424482]

- BUILDINFO:OVMF commit=173bf5c847e3ca8b42c11796ce048d8e2e916ff8

- BUILDINFO:xen commit=619dd3aa6aac97dbc9f23fdae3d6fd6dfab8a0da

- BUILDINFO:QEMU 上游 commit=8bff6989bd0bafcc0ddf859c23ce6a2ff21a80ff

- BUILDINFO:傳統 QEMU commit=346fdd7edd73f8287d0d0a2bab9c67b71bc6b8ba

- BUILDINFO:IPXE commit=9a93db3f0947484e30e753bbd61a10b17336e20e

- BUILDINFO:SeaBIOS commit=7d9cbe613694924921ed1a6f8947d711c5832eee

- xen/x86:確保在啟用陷阱的情況下呼叫 identify_cpu (Joao Martins) [Orabug:27393237]

- xend:禁止 pv 客體運行 (Joao Martins) [Orabug:27370330]

- hvmloader、x86/hvm、domctl:枚舉基於 vcpu_to_vnode 的 apicid (Joao Martins) [Orabug:27119689]

- xend:有條件地針對 vnuma auto 使用 dom0 vcpus (Joao Martins)

- x86/Spectre:如果編譯器支援不可用,則將 thunk 設置為 THUNK_NONE (Boris Ostrovsky) [Orabug:
27375704]

- BUILDINFO:OVMF commit=173bf5c847e3ca8b42c11796ce048d8e2e916ff8

- BUILDINFO:xen commit=1d2270f50ef2b1b22b8f6ee7a9b571ea96f7f37b

- BUILDINFO:QEMU 上游 commit=8bff6989bd0bafcc0ddf859c23ce6a2ff21a80ff

- BUILDINFO:傳統 QEMU commit=346fdd7edd73f8287d0d0a2bab9c67b71bc6b8ba

- BUILDINFO:IPXE commit=9a93db3f0947484e30e753bbd61a10b17336e20e

- BUILDINFO:SeaBIOS commit=7d9cbe613694924921ed1a6f8947d711c5832eee

- xen:dracut 和 microcode_ctl RPMs 無依存關係 (Boris Ostrovsky) [Orabug:27409734]

解決方案

更新受影響的 xen / xen-tools 套件。

另請參閱

http://www.nessus.org/u?884f76d4

Plugin 詳細資訊

嚴重性: High

ID: 107129

檔案名稱: oraclevm_OVMSA-2018-0020.nasl

版本: 3.9

類型: local

已發布: 2018/3/5

已更新: 2019/9/27

相依性: ssh_get_info.nasl

風險資訊

VPR

風險因素: High

分數: 8.5

CVSS v2

風險因素: Medium

基本分數: 6.1

時間分數: 5.3

媒介: AV:L/AC:L/Au:N/C:P/I:P/A:C

時間媒介: E:H/RL:OF/RC:C

CVSS v3

風險因素: High

基本分數: 8.8

時間分數: 8.4

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

時間媒介: E:H/RL:O/RC:C

弱點資訊

CPE: p-cpe:/a:oracle:vm:xen, p-cpe:/a:oracle:vm:xen-tools, cpe:/o:oracle:vm_server:3.4

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

可被惡意程式利用: true

可輕鬆利用: Exploits are available

修補程式發佈日期: 2018/3/2

弱點發布日期: 2018/1/4

惡意利用途徑

CANVAS (CANVAS)

參考資訊

CVE: CVE-2017-5715, CVE-2017-5753, CVE-2017-5754, CVE-2018-7540, CVE-2018-7541

IAVA: 2018-A-0019, 2018-A-0020