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OracleVM 3.4 : Unbreakable / etc (OVMSA-2018-0228) (Spectre)

high Nessus Plugin ID 110526

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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 :

 - netlink: add a start callback for starting a netlink dump (Tom Herbert) [Orabug: 27169581] (CVE-2017-16939)

 - ipsec: Fix aborted xfrm policy dump crash (Herbert Xu) [Orabug: 27169581] (CVE-2017-16939)

 - net/rds: prevent RDS connections using stale ARP entries (Wei Lin Guay) [Orabug: 28149101]

 - net/rds: Avoid stalled connection due to CM REQ retries (Wei Lin Guay) [Orabug: 28068627]

 - net/rds: use one sided reconnection during a race (Wei Lin Guay)

- Revert 'Revert 'net/rds: Revert 'RDS: add reconnect retry scheme for stalled' (H&aring kon Bugge) [Orabug:
 28068627]

 - xen-swiotlb: fix the check condition for xen_swiotlb_free_coherent (Joe Jin) [Orabug: 22910685]

 - net/rds: Assign the correct service level (Wei Lin Guay) [Orabug: 27607213]

 - target: Re-add missing SCF_ACK_KREF assignment in v4.1.y (Nicholas Bellinger) [Orabug: 27781132]

 - target: Fix LUN_RESET active I/O handling for ACK_KREF (Nicholas Bellinger) [Orabug: 27781132]

 - target: Invoke release_cmd callback without holding a spinlock (Bart Van Assche) [Orabug: 27781132]

 - x86/bugs: Remove the Disabling Spectre v2 mitigation retpoline (Konrad Rzeszutek Wilk) [Orabug: 27897282]

 - x86/bugs: Report properly retpoline+IBRS (Konrad Rzeszutek Wilk)

 - x86/bugs: Don't lie when fallback retpoline is engaged (Konrad Rzeszutek Wilk)

 - fs: aio: fix the increment of aio-nr and counting against aio-max-nr (Mauricio Faria de Oliveira) [Orabug:
 28079082]

 - qla2xxx: Enable buffer boundary check when DIF bundling is on. (Rajan Shanmugavelu) [Orabug: 28130589]

 - kernel: sys.c: missing break for prctl spec ctrl (Mihai Carabas)

- x86/bugs/IBRS: Keep SSBD mitigation in effect if spectre_v2=ibrs is selected (Mihai Carabas)

 - fs/pstore: update the backend parameter in pstore module (Wang Long)

- kvm: vmx: Reinstate support for CPUs without virtual NMI (Paolo Bonzini) [Orabug: 28041210]

 - dm crypt: add big-endian variant of plain64 IV (Milan Broz) [Orabug: 28043932]

 - x86/bugs: Rename SSBD_NO to SSB_NO (Konrad Rzeszutek Wilk) [Orabug: 28063992] (CVE-2018-3639)

 - KVM: SVM: Implement VIRT_SPEC_CTRL support for SSBD (Tom Lendacky) [Orabug: 28063992] [Orabug: 28069548] (CVE-2018-3639)

 - x86/speculation, KVM: Implement support for VIRT_SPEC_CTRL/LS_CFG (Thomas Gleixner) [Orabug:
 28063992] (CVE-2018-3639)

 - x86/bugs: Rework spec_ctrl base and mask logic (Thomas Gleixner) [Orabug: 28063992] (CVE-2018-3639)

 - x86/bugs: Expose x86_spec_ctrl_base directly (Thomas Gleixner) [Orabug: 28063992] (CVE-2018-3639)

 - x86/bugs: Unify x86_spec_ctrl_[set_guest,restore_host] (Borislav Petkov) [Orabug: 28063992] (CVE-2018-3639)

 - x86/speculation: Rework speculative_store_bypass_update (Thomas Gleixner) [Orabug: 28063992] (CVE-2018-3639)

 - x86/speculation: Add virtualized speculative store bypass disable support (Tom Lendacky) [Orabug: 28063992] (CVE-2018-3639)

 - x86/bugs, KVM: Extend speculation control for VIRT_SPEC_CTRL (Thomas Gleixner) [Orabug: 28063992] (CVE-2018-3639)

 - x86/speculation: Handle HT correctly on AMD (Thomas Gleixner) [Orabug: 28063992] (CVE-2018-3639)

 - x86/cpufeatures: Add FEATURE_ZEN (Thomas Gleixner) [Orabug: 28063992] (CVE-2018-3639)

 - x86/cpu/AMD: Fix erratum 1076 (CPB bit) (Borislav Petkov) [Orabug: 28063992] (CVE-2018-3639)

 - perf/hwbp: Simplify the perf-hwbp code, fix documentation (Linus Torvalds) [Orabug: 27947602] (CVE-2018-1000199)

 - Revert 'perf/hwbp: Simplify the perf-hwbp code, fix documentation' (Brian Maly) [Orabug: 27947602]

Solution

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

See Also

https://oss.oracle.com/pipermail/oraclevm-errata/2018-June/000863.html

Plugin Details

Severity: High

ID: 110526

File Name: oraclevm_OVMSA-2018-0228.nasl

Version: 1.4

Type: local

Published: 6/14/2018

Updated: 9/20/2024

Supported Sensors: Nessus

Risk Information

VPR

Risk Factor: High

Score: 7.4

CVSS v2

Risk Factor: High

Base Score: 7.2

Temporal Score: 5.6

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

CVSS Score Source: CVE-2017-16939

CVSS v3

Risk Factor: High

Base Score: 7.8

Temporal Score: 7

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:P/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 Available: true

Exploit Ease: Exploits are available

Patch Publication Date: 6/13/2018

Vulnerability Publication Date: 11/24/2017

Reference Information

CVE: CVE-2017-16939, CVE-2018-1000199, CVE-2018-3639