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Test ID:1.3.6.1.4.1.25623.1.0.871193
Category:Red Hat Local Security Checks
Title:RedHat Update for kernel RHSA-2014:0786-01
Summary:The remote host is missing an update for the 'kernel'; package(s) announced via the referenced advisory.
Description:Summary:
The remote host is missing an update for the 'kernel'
package(s) announced via the referenced advisory.

Vulnerability Insight:
The kernel packages contain the Linux kernel, the core of any Linux
operating system.

* A flaw was found in the way the Linux kernel's futex subsystem handled
the requeuing of certain Priority Inheritance (PI) futexes. A local,
unprivileged user could use this flaw to escalate their privileges on the
system. (CVE-2014-3153, Important)

* A use-after-free flaw was found in the way the ping_init_sock() function
of the Linux kernel handled the group_info reference counter. A local,
unprivileged user could use this flaw to crash the system or, potentially,
escalate their privileges on the system. (CVE-2014-2851, Important)

* Use-after-free and information leak flaws were found in the way the
Linux kernel's floppy driver processed the FDRAWCMD IOCTL command. A local
user with write access to /dev/fdX could use these flaws to escalate their
privileges on the system. (CVE-2014-1737, CVE-2014-1738, Important)

* It was found that the aio_read_events_ring() function of the Linux
kernel's Asynchronous I/O (AIO) subsystem did not properly sanitize the AIO
ring head received from user space. A local, unprivileged user could use
this flaw to disclose random parts of the (physical) memory belonging to
the kernel and/or other processes. (CVE-2014-0206, Moderate)

* An out-of-bounds memory access flaw was found in the Netlink Attribute
extension of the Berkeley Packet Filter (BPF) interpreter functionality in
the Linux kernel's networking implementation. A local, unprivileged user
could use this flaw to crash the system or leak kernel memory to user space
via a specially crafted socket filter. (CVE-2014-3144, CVE-2014-3145,
Moderate)

* An information leak flaw was found in the way the skb_zerocopy() function
copied socket buffers (skb) that are backed by user-space buffers (for
example vhost-net and Xen netback), potentially allowing an attacker to
read data from those buffers. (CVE-2014-2568, Low)

Red Hat would like to thank Kees Cook of Google for reporting
CVE-2014-3153 and Matthew Daley for reporting CVE-2014-1737 and
CVE-2014-1738. Google acknowledges Pinkie Pie as the original reporter of
CVE-2014-3153. The CVE-2014-0206 issue was discovered by Mateusz Guzik of
Red Hat.

This update also fixes the following bugs:

* Due to incorrect calculation of Tx statistics in the qlcninc driver,
running the 'ethtool -S ethX' command could trigger memory corruption.
As a consequence, running the sosreport tool, that uses this command,
resulted in a kernel panic. The problem has been fixed by correcting the
said statistics calculation. (BZ#1104972)

* When an attempt to create a file on ...

Description truncated, please see the referenced URL(s) for more information.

Affected Software/OS:
kernel on Red Hat Enterprise Linux Server (v. 7)

Solution:
Please Install the Updated Packages.

CVSS Score:
7.2

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

Cross-Ref: Common Vulnerability Exposure (CVE) ID: CVE-2014-0206
BugTraq ID: 68176
http://www.securityfocus.com/bid/68176
http://www.securitytracker.com/id/1030479
http://www.securitytracker.com/id/1038201
http://secunia.com/advisories/59278
Common Vulnerability Exposure (CVE) ID: CVE-2014-1737
BugTraq ID: 67300
http://www.securityfocus.com/bid/67300
Debian Security Information: DSA-2926 (Google Search)
http://www.debian.org/security/2014/dsa-2926
Debian Security Information: DSA-2928 (Google Search)
http://www.debian.org/security/2014/dsa-2928
http://www.openwall.com/lists/oss-security/2014/05/09/2
RedHat Security Advisories: RHSA-2014:0800
http://rhn.redhat.com/errata/RHSA-2014-0800.html
RedHat Security Advisories: RHSA-2014:0801
http://rhn.redhat.com/errata/RHSA-2014-0801.html
http://www.securitytracker.com/id/1030474
http://secunia.com/advisories/59262
http://secunia.com/advisories/59309
http://secunia.com/advisories/59406
http://secunia.com/advisories/59599
SuSE Security Announcement: SUSE-SU-2014:0667 (Google Search)
http://lists.opensuse.org/opensuse-security-announce/2014-05/msg00007.html
SuSE Security Announcement: SUSE-SU-2014:0683 (Google Search)
http://lists.opensuse.org/opensuse-security-announce/2014-05/msg00012.html
Common Vulnerability Exposure (CVE) ID: CVE-2014-1738
BugTraq ID: 67302
http://www.securityfocus.com/bid/67302
Common Vulnerability Exposure (CVE) ID: CVE-2014-2568
BugTraq ID: 66348
http://www.securityfocus.com/bid/66348
https://lkml.org/lkml/2014/3/20/421
http://seclists.org/oss-sec/2014/q1/627
http://www.openwall.com/lists/oss-security/2014/03/20/16
http://www.ubuntu.com/usn/USN-2240-1
XForce ISS Database: linux-kernel-cve20142568-info-disclosure(91922)
https://exchange.xforce.ibmcloud.com/vulnerabilities/91922
Common Vulnerability Exposure (CVE) ID: CVE-2014-2851
BugTraq ID: 66779
http://www.securityfocus.com/bid/66779
https://lkml.org/lkml/2014/4/10/736
http://www.openwall.com/lists/oss-security/2014/04/11/4
http://www.securitytracker.com/id/1030769
http://secunia.com/advisories/59386
Common Vulnerability Exposure (CVE) ID: CVE-2014-3144
BugTraq ID: 67309
http://www.securityfocus.com/bid/67309
Debian Security Information: DSA-2949 (Google Search)
http://www.debian.org/security/2014/dsa-2949
http://www.openwall.com/lists/oss-security/2014/05/09/6
http://secunia.com/advisories/58990
http://secunia.com/advisories/59311
http://secunia.com/advisories/59597
http://secunia.com/advisories/60613
http://www.ubuntu.com/usn/USN-2251-1
http://www.ubuntu.com/usn/USN-2252-1
http://www.ubuntu.com/usn/USN-2259-1
http://www.ubuntu.com/usn/USN-2261-1
http://www.ubuntu.com/usn/USN-2262-1
http://www.ubuntu.com/usn/USN-2263-1
http://www.ubuntu.com/usn/USN-2264-1
Common Vulnerability Exposure (CVE) ID: CVE-2014-3145
BugTraq ID: 67321
http://www.securityfocus.com/bid/67321
Common Vulnerability Exposure (CVE) ID: CVE-2014-3153
BugTraq ID: 67906
http://www.securityfocus.com/bid/67906
http://www.exploit-db.com/exploits/35370
https://elongl.github.io/exploitation/2021/01/08/cve-2014-3153.html
https://github.com/elongl/CVE-2014-3153
https://www.openwall.com/lists/oss-security/2021/02/01/4
http://www.openwall.com/lists/oss-security/2014/06/05/22
http://openwall.com/lists/oss-security/2014/06/05/24
http://openwall.com/lists/oss-security/2014/06/06/20
http://www.openwall.com/lists/oss-security/2021/02/01/4
http://www.securitytracker.com/id/1030451
http://secunia.com/advisories/58500
http://secunia.com/advisories/59029
http://secunia.com/advisories/59092
http://secunia.com/advisories/59153
SuSE Security Announcement: SUSE-SU-2014:0775 (Google Search)
http://lists.opensuse.org/opensuse-security-announce/2014-06/msg00014.html
SuSE Security Announcement: SUSE-SU-2014:0796 (Google Search)
http://lists.opensuse.org/opensuse-security-announce/2014-06/msg00018.html
SuSE Security Announcement: SUSE-SU-2014:0837 (Google Search)
http://lists.opensuse.org/opensuse-security-announce/2014-06/msg00025.html
SuSE Security Announcement: SUSE-SU-2014:1316 (Google Search)
http://lists.opensuse.org/opensuse-security-announce/2014-10/msg00006.html
SuSE Security Announcement: SUSE-SU-2014:1319 (Google Search)
http://lists.opensuse.org/opensuse-security-announce/2014-10/msg00007.html
SuSE Security Announcement: openSUSE-SU-2014:0878 (Google Search)
http://lists.opensuse.org/opensuse-security-announce/2014-07/msg00006.html
http://www.ubuntu.com/usn/USN-2237-1
CopyrightCopyright (C) 2014 Greenbone Networks GmbH

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