Detections
Analytics

OracleVM 3.4 : Unbreakable / etc (OVMSA-2018-0010) (Meltdown) (Spectre)

medium Nessus Plugin ID 106120

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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 :

 - x86/pti/efi: broken conversion from efi to kernel page table (Pavel Tatashin) [Orabug: 27363926] [Orabug:
 27352353] (CVE-2017-5754)

 - x86/spec: Always set IBRS to guest value on VMENTER and host on VMEXIT (redux) (Konrad Rzeszutek Wilk) [Orabug:
 27369994]

 - x86/IBRS: Make sure we restore MSR_IA32_SPEC_CTRL to a valid value (Boris Ostrovsky) [Orabug: 27362581]

 - x86/IBRS/IBPB: Set sysctl_ibrs/ibpb_enabled properly (Boris Ostrovsky) [Orabug: 27363792]

 - x86/spec_ctrl: Add missing 'lfence' when IBRS is not supported. (Konrad Rzeszutek Wilk) [Orabug: 27339995] (CVE-2017-5715)

 - x86/entry_64: TRACE_IRQS_OFF before re-enabling. (Jamie Iles) [Orabug: 27339995] (CVE-2017-5715)

 - ptrace: remove unlocked RCU dereference. (Jamie Iles) [Orabug: 27339995] (CVE-2017-5715)

 - x86/ia32: Adds code hygiene for 32bit SYSCALL instruction entry. (Konrad Rzeszutek Wilk) [Orabug:
 27339995] (CVE-2017-5715)

 - x86/ia32: don't save registers on audit call (Konrad Rzeszutek Wilk) [Orabug: 27339995] (CVE-2017-5715)

 - x86/spec/ia32: Sprinkle IBRS and RSB at the 32-bit SYSCALL (Konrad Rzeszutek Wilk) [Orabug: 27339995] (CVE-2017-5715)

 - x86/ia32: Move STUFF_RSB And ENABLE_IBRS (Konrad Rzeszutek Wilk) [Orabug: 27339995] (CVE-2017-5715)

 - x86/spec: Always set IBRS to guest value on VMENTER and host on VMEXIT. (Konrad Rzeszutek Wilk) [Orabug:
 27365544] (CVE-2017-5715)

Solution

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

See Also

http://www.nessus.org/u?fbc9b05d

Plugin Details

Severity: Medium

ID: 106120

File Name: oraclevm_OVMSA-2018-0010.nasl

Version: 3.6

Type: local

Published: 1/18/2018

Updated: 9/27/2019

Supported Sensors: Nessus

Risk Information

VPR

Risk Factor: High

Score: 8.1

CVSS v2

Risk Factor: Medium

Base Score: 4.7

Temporal Score: 4.1

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

CVSS v3

Risk Factor: Medium

Base Score: 5.6

Temporal Score: 5.4

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

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

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

Exploit Available: true

Exploit Ease: Exploits are available

Patch Publication Date: 1/17/2018

Vulnerability Publication Date: 1/4/2018

Reference Information

CVE: CVE-2017-5715, CVE-2017-5754

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