OracleVM 3.4 : xen (OVMSA-2018-0246) (Foreshadow)

medium Nessus Plugin ID 111772
New! Plugin Severity Now Using CVSS v3

The calculated severity for Plugins has been updated to use CVSS v3 by default. Plugins that do not have a CVSS v3 score will fall back to CVSS v2 for calculating severity. Severity display preferences can be toggled in the settings dropdown.


The remote OracleVM host is missing one or more security updates.


The remote OracleVM system is missing necessary patches to address critical security updates :

- BUILDINFO: OVMF commit=173bf5c847e3ca8b42c11796ce048d8e2e916ff8

- BUILDINFO: xen commit=02cec92b3eb1612e37616b10400d82f1e3d8de85

- BUILDINFO: QEMU upstream commit=8bff6989bd0bafcc0ddf859c23ce6a2ff21a80ff

- BUILDINFO: QEMU traditional commit=346fdd7edd73f8287d0d0a2bab9c67b71bc6b8ba

- BUILDINFO: IPXE commit=9a93db3f0947484e30e753bbd61a10b17336e20e

- BUILDINFO: SeaBIOS commit=7d9cbe613694924921ed1a6f8947d711c5832eee

- l1tf: Utility to offline/online SMT siblings. (Ross Philipson) [Orabug: 28487050] (CVE-2018-3646)

- x86/spec-ctrl: Introduce an option to control L1D_FLUSH for HVM guests (Andrew Cooper) [Orabug: 28487050] (CVE-2018-3620) (CVE-2018-3646)

- x86/msr: Virtualise MSR_FLUSH_CMD for guests (Andrew Cooper) [Orabug: 28487050] (CVE-2018-3646) (CVE-2018-3646)

- x86/spec-ctrl: CPUID/MSR definitions for L1D_FLUSH (Andrew Cooper) [Orabug: 28487050] (CVE-2018-3646) (CVE-2018-3646)

- x86/spec-ctrl: Calculate safe PTE addresses for L1TF mitigations (Andrew Cooper) [Orabug: 28487050] (CVE-2018-3620) (CVE-2018-3646)

- x86: command line option to avoid use of secondary hyper-threads (Jan Beulich) [Orabug: 28487050] (CVE-2018-3646)

- cpupools: fix state when downing a CPU failed (Jan Beulich) [Orabug: 28487050] (CVE-2018-3646)


Update the affected xen / xen-tools packages.

See Also

Plugin Details

Severity: Medium

ID: 111772

File Name: oraclevm_OVMSA-2018-0246.nasl

Version: 1.5

Type: local

Published: 8/16/2018

Updated: 9/27/2019

Dependencies: ssh_get_info.nasl

Risk Information


Risk Factor: Medium

Score: 5.2


Risk Factor: Medium

Base Score: 4.7

Vector: AV:L/AC:M/Au:N/C:C/I:N/A:N


Risk Factor: Medium

Base Score: 5.6

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

Vulnerability Information

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

Required KB Items: Host/local_checks_enabled, Host/OracleVM/release, Host/OracleVM/rpm-list

Patch Publication Date: 8/15/2018

Vulnerability Publication Date: 8/14/2018

Reference Information

CVE: CVE-2018-3620, CVE-2018-3646