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Oracle Linux 6 / 7 : Unbreakable Enterprise kernel (ELSA-2016-3519)

high Nessus Plugin ID 88857

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Synopsis

The remote Oracle Linux host is missing a security update.

Description

The remote Oracle Linux 6 / 7 host has packages installed that are affected by a vulnerability as referenced in the ELSA-2016-3519 advisory.

 - x86/nmi/64: Use DF to avoid userspace RSP confusing nested NMI detection (Andy Lutomirski) [Orabug:
 22742507] {CVE-2015-5157}
 - x86/nmi/64: Reorder nested NMI checks (Andy Lutomirski) [Orabug: 22742507] {CVE-2015-5157}
 - x86/nmi/64: Improve nested NMI comments (Andy Lutomirski) [Orabug: 22742507] {CVE-2015-5157}
 - x86/nmi/64: Switch stacks on userspace NMI entry (Andy Lutomirski) [Orabug: 22742507] {CVE-2015-5157}

Tenable has extracted the preceding description block directly from the Oracle Linux security advisory.

Note that Nessus has not tested for this issue but has instead relied only on the application's self-reported version number.

Solution

Update the affected packages.

See Also

https://linux.oracle.com/errata/ELSA-2016-3519.html

Plugin Details

Severity: High

ID: 88857

File Name: oraclelinux_ELSA-2016-3519.nasl

Version: 2.9

Type: local

Agent: unix

Published: 2/19/2016

Updated: 10/22/2024

Supported Sensors: Continuous Assessment, Frictionless Assessment Agent, Nessus Agent, 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-2015-5157

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:linux:dtrace-modules-3.8.13-118.3.2.el6uek, p-cpe:/a:oracle:linux:kernel-uek-debug-devel, cpe:/o:oracle:linux:7, p-cpe:/a:oracle:linux:kernel-uek-debug, p-cpe:/a:oracle:linux:kernel-uek-devel, p-cpe:/a:oracle:linux:dtrace-modules-3.8.13-118.3.2.el7uek, p-cpe:/a:oracle:linux:kernel-uek-doc, p-cpe:/a:oracle:linux:kernel-uek-firmware, p-cpe:/a:oracle:linux:kernel-uek, cpe:/o:oracle:linux:6

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

Exploit Ease: No known exploits are available

Patch Publication Date: 2/18/2016

Vulnerability Publication Date: 7/23/2015

Reference Information

CVE: CVE-2015-5157