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

This script is Copyright (C) 2016 Tenable Network Security, Inc.


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}

See also :

https://oss.oracle.com/pipermail/el-errata/2016-February/005819.html
https://oss.oracle.com/pipermail/el-errata/2016-February/005820.html

Solution :

Update the affected unbreakable enterprise kernel packages.

Risk factor :

High / CVSS Base Score : 7.2
(CVSS2#AV:L/AC:L/Au:N/C:C/I:C/A:C)

Family: Oracle Linux Local Security Checks

Nessus Plugin ID: 88857 ()

Bugtraq ID:

CVE ID: CVE-2015-5157

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