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Test ID:1.3.6.1.4.1.25623.1.0.871358
Category:Red Hat Local Security Checks
Title:RedHat Update for kernel RHSA-2015:0864-01
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 seunshare, a utility for running executables
under a different security context, used the capng_lock functionality of
the libcap-ng library. The subsequent invocation of suid root binaries that
relied on the fact that the setuid() system call, among others, also sets
the saved set-user-ID when dropping the binaries' process privileges, could
allow a local, unprivileged user to potentially escalate their privileges
on the system. Note: the fix for this issue is the kernel part of the
overall fix, and introduces the PR_SET_NO_NEW_PRIVS functionality and the
related SELinux exec transitions support. (CVE-2014-3215, Important)

* A use-after-free flaw was found in the way the Linux kernel's SCTP
implementation handled authentication key reference counting during INIT
collisions. A remote attacker could use this flaw to crash the system or,
potentially, escalate their privileges on the system. (CVE-2015-1421,
Important)

* It was found that the Linux kernel's KVM implementation did not ensure
that the host CR4 control register value remained unchanged across VM
entries on the same virtual CPU. A local, unprivileged user could use this
flaw to cause a denial of service on the system. (CVE-2014-3690, Moderate)

* An out-of-bounds memory access flaw was found in the syscall tracing
functionality of the Linux kernel's perf subsystem. A local, unprivileged
user could use this flaw to crash the system. (CVE-2014-7825, Moderate)

* An out-of-bounds memory access flaw was found in the syscall tracing
functionality of the Linux kernel's ftrace subsystem. On a system with
ftrace syscall tracing enabled, a local, unprivileged user could use this
flaw to crash the system, or escalate their privileges. (CVE-2014-7826,
Moderate)

* It was found that the Linux kernel memory resource controller's (memcg)
handling of OOM (out of memory) conditions could lead to deadlocks.
An attacker able to continuously spawn new processes within a single
memory-constrained cgroup during an OOM event could use this flaw to lock
up the system. (CVE-2014-8171, Moderate)

* A race condition flaw was found in the way the Linux kernel keys
management subsystem performed key garbage collection. A local attacker
could attempt accessing a key while it was being garbage collected, which
would cause the system to crash. (CVE-2014-9529, Moderate)

* A stack-based buffer overflow flaw was found in the TechnoTrend/ ...

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

Affected Software/OS:
kernel on Red Hat Enterprise Linux Desktop (v. 6),
Red Hat Enterprise Linux Server (v. 6),
Red Hat Enterprise Linux Workstation (v. 6)

Solution:
Please Install the Updated Packages.

CVSS Score:
10.0

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

Cross-Ref: Common Vulnerability Exposure (CVE) ID: CVE-2014-3215
BugTraq ID: 67341
http://www.securityfocus.com/bid/67341
http://www.mandriva.com/security/advisories?name=MDVSA-2015:156
http://openwall.com/lists/oss-security/2014/04/29/7
http://openwall.com/lists/oss-security/2014/04/30/4
http://openwall.com/lists/oss-security/2014/05/08/1
RedHat Security Advisories: RHSA-2015:0864
http://rhn.redhat.com/errata/RHSA-2015-0864.html
http://secunia.com/advisories/59007
SuSE Security Announcement: openSUSE-SU-2014:0749 (Google Search)
http://lists.opensuse.org/opensuse-updates/2014-06/msg00008.html
Common Vulnerability Exposure (CVE) ID: CVE-2014-3690
BugTraq ID: 70691
http://www.securityfocus.com/bid/70691
Debian Security Information: DSA-3060 (Google Search)
http://www.debian.org/security/2014/dsa-3060
http://www.mandriva.com/security/advisories?name=MDVSA-2015:058
http://www.openwall.com/lists/oss-security/2014/10/21/4
http://www.openwall.com/lists/oss-security/2014/10/29/7
RedHat Security Advisories: RHSA-2015:0290
http://rhn.redhat.com/errata/RHSA-2015-0290.html
RedHat Security Advisories: RHSA-2015:0782
http://rhn.redhat.com/errata/RHSA-2015-0782.html
http://secunia.com/advisories/60174
SuSE Security Announcement: SUSE-SU-2015:0178 (Google Search)
http://lists.opensuse.org/opensuse-security-announce/2015-01/msg00035.html
SuSE Security Announcement: SUSE-SU-2015:0481 (Google Search)
http://lists.opensuse.org/opensuse-security-announce/2015-03/msg00010.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-2015:0566 (Google Search)
http://lists.opensuse.org/opensuse-security-announce/2015-03/msg00025.html
http://www.ubuntu.com/usn/USN-2417-1
http://www.ubuntu.com/usn/USN-2418-1
http://www.ubuntu.com/usn/USN-2419-1
http://www.ubuntu.com/usn/USN-2420-1
http://www.ubuntu.com/usn/USN-2421-1
Common Vulnerability Exposure (CVE) ID: CVE-2014-7825
BugTraq ID: 70972
http://www.securityfocus.com/bid/70972
http://www.openwall.com/lists/oss-security/2014/11/06/11
RedHat Security Advisories: RHSA-2014:1943
http://rhn.redhat.com/errata/RHSA-2014-1943.html
XForce ISS Database: linux-kernel-cve20147825-dos(98557)
https://exchange.xforce.ibmcloud.com/vulnerabilities/98557
Common Vulnerability Exposure (CVE) ID: CVE-2014-7826
BugTraq ID: 70971
http://www.securityfocus.com/bid/70971
XForce ISS Database: linux-kernel-cve20147826-dos(98556)
https://exchange.xforce.ibmcloud.com/vulnerabilities/98556
Common Vulnerability Exposure (CVE) ID: CVE-2014-8171
BugTraq ID: 74293
http://www.securityfocus.com/bid/74293
RedHat Security Advisories: RHSA-2015:2152
http://rhn.redhat.com/errata/RHSA-2015-2152.html
RedHat Security Advisories: RHSA-2015:2411
http://rhn.redhat.com/errata/RHSA-2015-2411.html
RedHat Security Advisories: RHSA-2016:0068
http://rhn.redhat.com/errata/RHSA-2016-0068.html
Common Vulnerability Exposure (CVE) ID: CVE-2014-8884
Debian Security Information: DSA-3093 (Google Search)
http://www.debian.org/security/2014/dsa-3093
http://www.openwall.com/lists/oss-security/2014/11/14/7
http://secunia.com/advisories/62305
Common Vulnerability Exposure (CVE) ID: CVE-2014-9529
BugTraq ID: 71880
http://www.securityfocus.com/bid/71880
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.openwall.com/lists/oss-security/2015/01/06/10
RedHat Security Advisories: RHSA-2015:1137
http://rhn.redhat.com/errata/RHSA-2015-1137.html
RedHat Security Advisories: RHSA-2015:1138
http://rhn.redhat.com/errata/RHSA-2015-1138.html
http://www.securitytracker.com/id/1036763
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-2511-1
http://www.ubuntu.com/usn/USN-2512-1
http://www.ubuntu.com/usn/USN-2513-1
http://www.ubuntu.com/usn/USN-2514-1
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
XForce ISS Database: linux-kernel-cve20149529-dos(99641)
https://exchange.xforce.ibmcloud.com/vulnerabilities/99641
Common Vulnerability Exposure (CVE) ID: CVE-2014-9584
BugTraq ID: 71883
http://www.securityfocus.com/bid/71883
http://www.openwall.com/lists/oss-security/2015/01/09/4
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-2015:0652 (Google Search)
http://lists.opensuse.org/opensuse-security-announce/2015-04/msg00000.html
SuSE Security Announcement: SUSE-SU-2015:0812 (Google Search)
http://lists.opensuse.org/opensuse-security-announce/2015-04/msg00020.html
Common Vulnerability Exposure (CVE) ID: CVE-2015-1421
BugTraq ID: 72356
http://www.securityfocus.com/bid/72356
Debian Security Information: DSA-3170 (Google Search)
http://www.debian.org/security/2015/dsa-3170
http://www.openwall.com/lists/oss-security/2015/01/29/15
RedHat Security Advisories: RHSA-2015:0726
http://rhn.redhat.com/errata/RHSA-2015-0726.html
RedHat Security Advisories: RHSA-2015:0751
http://rhn.redhat.com/errata/RHSA-2015-0751.html
RedHat Security Advisories: RHSA-2015:1082
http://rhn.redhat.com/errata/RHSA-2015-1082.html
http://www.securitytracker.com/id/1032172
SuSE Security Announcement: SUSE-SU-2015:0832 (Google Search)
http://lists.opensuse.org/opensuse-security-announce/2015-05/msg00001.html
SuSE Security Announcement: SUSE-SU-2015:1478 (Google Search)
http://lists.opensuse.org/opensuse-security-announce/2015-09/msg00004.html
http://www.ubuntu.com/usn/USN-2541-1
http://www.ubuntu.com/usn/USN-2542-1
http://www.ubuntu.com/usn/USN-2545-1
http://www.ubuntu.com/usn/USN-2546-1
http://www.ubuntu.com/usn/USN-2562-1
http://www.ubuntu.com/usn/USN-2563-1
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