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OracleVM 3.4 : Unbreakable / etc (OVMSA-2019-0018) (MDSUM/RIDL) (MFBDS/RIDL/ZombieLoad) (MLPDS/RIDL) (MSBDS/Fallout)

medium Nessus Plugin ID 125105

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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/mds: Add empty commit for CVE-2019-11091 (Konrad Rzeszutek Wilk) [Orabug: 29721935] (CVE-2019-11091)

 - x86/microcode: Add loader version file in debugfs (Boris Ostrovsky) [Orabug: 29754165]

 - x86/microcode: Fix CPU synchronization routine (Borislav Petkov) [Orabug: 29754165]

 - x86/microcode: Synchronize late microcode loading (Borislav Petkov) [Orabug: 29754165]

 - x86/speculation: Support 'mitigations=' cmdline option (Josh Poimboeuf) [Orabug: 29526900] (CVE-2018-12126) (CVE-2018-12130) (CVE-2018-12127)

 - cpu/speculation: Add 'mitigations=' cmdline option (Josh Poimboeuf) [Orabug: 29526900] (CVE-2018-12126) (CVE-2018-12130) (CVE-2018-12127)

 - x86/speculation/mds: Print SMT vulnerable on MSBDS with mitigations off (Konrad Rzeszutek Wilk) [Orabug:
 29526900] (CVE-2018-12126) (CVE-2018-12130) (CVE-2018-12127)

 - x86/speculation/mds: Fix comment (Boris Ostrovsky) [Orabug: 29526900] (CVE-2018-12126) (CVE-2018-12130) (CVE-2018-12127)

 - x86/speculation/mds: update mds_mitigation to reflect debugfs configuration (Mihai Carabas) [Orabug: 29526900] (CVE-2018-12126) (CVE-2018-12130) (CVE-2018-12127)

 - x86/speculation/mds: fix microcode late loading (Mihai Carabas) [Orabug: 29526900] (CVE-2018-12126) (CVE-2018-12130) (CVE-2018-12127)

 - x86/speculation/mds: Add boot option to enable MDS protection only while in idle (Boris Ostrovsky) [Orabug:
 29526900] (CVE-2018-12126) (CVE-2018-12130) (CVE-2018-12127)

 - x86/speculation/mds: Improve coverage for MDS vulnerability (Boris Ostrovsky) [Orabug: 29526900] (CVE-2018-12126) (CVE-2018-12130) (CVE-2018-12127)

 - x86/speculation/mds: Add SMT warning message (Josh Poimboeuf) [Orabug: 29526900] (CVE-2018-12126) (CVE-2018-12130) (CVE-2018-12127)

 - x86/speculation/mds: Add mds=full,nosmt cmdline option (Josh Poimboeuf) [Orabug: 29526900] (CVE-2018-12126) (CVE-2018-12130) (CVE-2018-12127)

 - Documentation: Add MDS vulnerability documentation (Thomas Gleixner) [Orabug: 29526900] (CVE-2018-12126) (CVE-2018-12130) (CVE-2018-12127)

 - Documentation: Move L1TF to separate directory (Thomas Gleixner) [Orabug: 29526900] (CVE-2018-12126) (CVE-2018-12130) (CVE-2018-12127)

 - x86/speculation/mds: Add mitigation mode VMWERV (Thomas Gleixner) [Orabug: 29526900] (CVE-2018-12126) (CVE-2018-12130) (CVE-2018-12127)

 - x86/speculation/mds: Add debugfs for controlling MDS (Kanth Ghatraju) [Orabug: 29526900] (CVE-2018-12126) (CVE-2018-12130) (CVE-2018-12127)

 - x86/speculation/mds: Add sysfs reporting for MDS (Thomas Gleixner) [Orabug: 29526900] (CVE-2018-12126) (CVE-2018-12130) (CVE-2018-12127)

 - x86/speculation/mds: Add mitigation control for MDS (Thomas Gleixner) [Orabug: 29526900] (CVE-2018-12126) (CVE-2018-12130) (CVE-2018-12127)

 - x86/speculation/mds: Conditionally clear CPU buffers on idle entry (Thomas Gleixner) [Orabug: 29526900] (CVE-2018-12126) (CVE-2018-12130) (CVE-2018-12127)

 - x86/kvm/vmx: Add MDS protection when L1D Flush is not active (Thomas Gleixner) [Orabug: 29526900] (CVE-2018-12126) (CVE-2018-12130) (CVE-2018-12127)

 - x86/speculation/mds: Clear CPU buffers on exit to user (Thomas Gleixner) [Orabug: 29526900] (CVE-2018-12126) (CVE-2018-12130) (CVE-2018-12127)

 - x86/speculation/mds: Add mds_clear_cpu_buffers (Thomas Gleixner) [Orabug: 29526900] (CVE-2018-12126) (CVE-2018-12130) (CVE-2018-12127)

 - x86/kvm: Expose X86_FEATURE_MD_CLEAR to guests (Andi Kleen) [Orabug: 29526900] (CVE-2018-12126) (CVE-2018-12130) (CVE-2018-12127)

 - x86/speculation/mds: Add BUG_MSBDS_ONLY (Thomas Gleixner) [Orabug: 29526900] (CVE-2018-12126) (CVE-2018-12130) (CVE-2018-12127)

 - x86/speculation/mds: Add basic bug infrastructure for MDS (Andi Kleen) [Orabug: 29526900] (CVE-2018-12126) (CVE-2018-12130) (CVE-2018-12127) (CVE-2018-12126) (CVE-2018-12130) (CVE-2018-12127)

 - x86/speculation: Consolidate CPU whitelists (Thomas Gleixner) [Orabug: 29526900] (CVE-2018-12126) (CVE-2018-12130) (CVE-2018-12127)

 - x86/msr-index: Cleanup bit defines (Thomas Gleixner) [Orabug: 29526900] (CVE-2018-12126) (CVE-2018-12130) (CVE-2018-12127)

 - Documentation/l1tf: Fix small spelling typo (Salvatore Bonaccorso) [Orabug: 29526900] (CVE-2018-12126) (CVE-2018-12130) (CVE-2018-12127)

 - x86/speculation: Simplify the CPU bug detection logic (Dominik Brodowski) [Orabug: 29526900] (CVE-2018-12126) (CVE-2018-12130) (CVE-2018-12127)

Solution

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

See Also

https://oss.oracle.com/pipermail/oraclevm-errata/2019-May/000940.html

Plugin Details

Severity: Medium

ID: 125105

File Name: oraclevm_OVMSA-2019-0018.nasl

Version: 1.6

Type: local

Published: 5/15/2019

Updated: 12/6/2022

Supported Sensors: Nessus

Risk Information

VPR

Risk Factor: High

Score: 7.1

CVSS v2

Risk Factor: Medium

Base Score: 4.7

Temporal Score: 3.5

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

CVSS Score Source: CVE-2019-11091

CVSS v3

Risk Factor: Medium

Base Score: 5.6

Temporal Score: 4.9

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:U/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 Ease: No known exploits are available

Patch Publication Date: 5/14/2019

Vulnerability Publication Date: 5/30/2019

Reference Information

CVE: CVE-2018-12126, CVE-2018-12127, CVE-2018-12130, CVE-2019-11091