OracleVM 3.3 : Unbreakable / etc (OVMSA-2016-0014)

This script is Copyright (C) 2016-2017 Tenable Network Security, Inc.


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/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 :

http://www.nessus.org/u?c66348a2

Solution :

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

Risk factor :

High / CVSS Base Score : 7.2
(CVSS2#AV:L/AC:L/Au:N/C:C/I:C/A:C)
CVSS Temporal Score : 5.3
(CVSS2#E:U/RL:OF/RC:C)
Public Exploit Available : false

Family: OracleVM Local Security Checks

Nessus Plugin ID: 88858 ()

Bugtraq ID: 76005

CVE ID: CVE-2015-5157

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