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

High Nessus Plugin ID 117377

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: 1.2

Type: local

Published: 2018/09/10

Modified: 2018/10/01

Dependencies: 12634

Risk Information

Risk Factor: High

CVSS v2.0

Base Score: 7.2

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

CVSS v3.0

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

Patch Publication Date: 2018/09/07

Reference Information

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