OracleVM 3.4 : Unbreakable / etc (OVMSA-2018-0254) (Foreshadow)

high Nessus Plugin ID 117377


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


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

Oracle VM Security Advisory OVMSA-2018-0254

The following updated rpms for Oracle VM 3.4 have been uploaded to the Unbreakable Linux Network :

x86_64: kernel-uek-4.1.12-124.19.1.el6uek.x86_64.rpm kernel-uek-firmware-4.1.12-124.19.1.el6uek.noarch.rpm


Description of changes :

- x86/entry/64: Ensure %ebx handling correct in xen_failsafe_callback (George Kennedy) [Orabug:
28402927] (CVE-2018-14678)

- x86/speculation/l1tf: Increase l1tf memory limit for Nehalem+ (Andi Kleen) [Orabug: 28488808] (CVE-2018-3620)

- x86/speculation/l1tf: Suggest what to do on systems with too much RAM (Vlastimil Babka) [Orabug: 28488808] (CVE-2018-3620)

- x86/speculation/l1tf: Fix off-by-one error when warning that system has too much RAM (Vlastimil Babka) [Orabug:
28488808] (CVE-2018-3620)

- x86/speculation/l1tf: Fix overflow in l1tf_pfn_limit on 32bit (Vlastimil Babka) [Orabug: 28488808] (CVE-2018-3620)

- x86/speculation/l1tf: Exempt zeroed PTEs from inversion (Sean Christopherson) [Orabug: 28488808] (CVE-2018-3620)

- x86/l1tf: Fix build error seen if CONFIG_KVM_INTEL is disabled (Guenter Roeck) [Orabug: 28488808] (CVE-2018-3620)

- x86/spectre: Add missing family 6 check to microcode check (Andi Kleen) [Orabug: 28488808] (CVE-2018-3620)

- KVM: x86: SVM: Call x86_spec_ctrl_set_guest/host with interrupts disabled (Thomas Gleixner) [Orabug: 28488808] (CVE-2018-3646)

- x86/microcode: Allow late microcode loading with SMT disabled (Josh Poimboeuf) [Orabug: 28488808] (CVE-2018-3620)

- x86/microcode: Do not upload microcode if CPUs are offline (Ashok Raj) [Orabug: 28488808] (CVE-2018-3620)


Update the affected kernel-uek / kernel-uek-firmware packages.

See Also

Plugin Details

Severity: High

ID: 117377

File Name: oraclevm_OVMSA-2018-0254.nasl

Version: 1.3

Type: local

Published: 9/10/2018

Updated: 9/27/2019

Risk Information


Risk Factor: Medium

Score: 5.9


Risk Factor: High

Base Score: 7.2

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


Risk Factor: High

Base Score: 7.8

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

Vulnerability Information

CPE: p-cpe:/a:oracle:vm:kernel-uek, p-cpe:/a:oracle:vm:kernel-uek-firmware, cpe:/o:oracle:vm_server:3.4

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

Patch Publication Date: 9/7/2018

Vulnerability Publication Date: 7/28/2018

Reference Information

CVE: CVE-2018-14678, CVE-2018-3620, CVE-2018-3646