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

High Nessus Plugin ID 88857

Synopsis

The remote Oracle Linux host is missing one or more security updates.

Description

Description of changes:

kernel-uek [3.8.13-118.3.2.el7uek]
- 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}
- x86/paravirt: Replace the paravirt nop with a bona fide empty function (Andy Lutomirski) [Orabug: 22742507] {CVE-2015-5157}

Solution

Update the affected unbreakable enterprise kernel packages.

See Also

https://oss.oracle.com/pipermail/el-errata/2016-February/005819.html

https://oss.oracle.com/pipermail/el-errata/2016-February/005820.html

Plugin Details

Severity: High

ID: 88857

File Name: oraclelinux_ELSA-2016-3519.nasl

Version: 2.3

Type: local

Agent: unix

Published: 2016/02/19

Updated: 2019/03/25

Dependencies: 122878, 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

Vulnerability Information

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

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

Patch Publication Date: 2016/02/18

Vulnerability Publication Date: 2015/08/31

Reference Information

CVE: CVE-2015-5157