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Test ID:1.3.6.1.4.1.25623.1.0.105439
Category:F5 Local Security Checks
Title:F5 BIG-IP - Linux kernel vulnerability CVE-2014-9419
Summary:The remote host is missing a security patch.
Description:Summary:
The remote host is missing a security patch.

Vulnerability Insight:
The __switch_to function in arch/x86/kernel/process_64.c in the Linux kernel through 3.18.1 does not ensure that Thread Local Storage (TLS) descriptors are loaded before proceeding with other steps, which makes it easier for local users to bypass the ASLR protection mechanism via a crafted application that reads a TLS base address. (CVE-2014-9419)

Vulnerability Impact:
A local authenticated attacker may obtain sensitive information from kernel memory by using a specially crafted application.

Solution:
See the referenced vendor advisory for a solution.

CVSS Score:
2.1

CVSS Vector:
AV:L/AC:L/Au:N/C:P/I:N/A:N

Cross-Ref: Common Vulnerability Exposure (CVE) ID: CVE-2014-9419
BugTraq ID: 71794
http://www.securityfocus.com/bid/71794
Debian Security Information: DSA-3128 (Google Search)
http://www.debian.org/security/2015/dsa-3128
http://lists.fedoraproject.org/pipermail/package-announce/2015-January/147973.html
http://lists.fedoraproject.org/pipermail/package-announce/2015-January/147864.html
http://www.mandriva.com/security/advisories?name=MDVSA-2015:058
http://www.openwall.com/lists/oss-security/2014/12/25/1
RedHat Security Advisories: RHSA-2015:1081
http://rhn.redhat.com/errata/RHSA-2015-1081.html
SuSE Security Announcement: SUSE-SU-2015:0529 (Google Search)
http://lists.opensuse.org/opensuse-security-announce/2015-03/msg00020.html
SuSE Security Announcement: SUSE-SU-2015:0736 (Google Search)
http://lists.opensuse.org/opensuse-security-announce/2015-04/msg00015.html
SuSE Security Announcement: openSUSE-SU-2015:0714 (Google Search)
http://lists.opensuse.org/opensuse-security-announce/2015-04/msg00009.html
http://www.ubuntu.com/usn/USN-2515-1
http://www.ubuntu.com/usn/USN-2516-1
http://www.ubuntu.com/usn/USN-2517-1
http://www.ubuntu.com/usn/USN-2518-1
http://www.ubuntu.com/usn/USN-2541-1
http://www.ubuntu.com/usn/USN-2542-1
CopyrightCopyright (C) 2015 Greenbone Networks GmbH

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