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

high Nessus Plugin ID 117377

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Synopsis

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

Description

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

SRPMS :

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)

Solution

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

See Also

http://www.nessus.org/u?a2499664

Plugin Details

Severity: High

ID: 117377

File Name: oraclevm_OVMSA-2018-0254.nasl

Version: 1.4

Type: local

Published: 9/10/2018

Updated: 8/8/2024

Supported Sensors: Nessus

Risk Information

VPR

Risk Factor: Medium

Score: 5.9

CVSS v2

Risk Factor: High

Base Score: 7.2

Temporal Score: 5.3

Vector: CVSS2#AV:L/AC:L/Au:N/C:C/I:C/A:C

CVSS Score Source: CVE-2018-14678

CVSS v3

Risk Factor: High

Base Score: 7.8

Temporal Score: 6.8

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

Temporal Vector: CVSS:3.0/E:U/RL:O/RC:C

Vulnerability Information

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

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

Exploit Ease: No known exploits are available

Patch Publication Date: 9/7/2018

Vulnerability Publication Date: 7/28/2018

Reference Information

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