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Sicherheit: Ausführen beliebiger Kommandos in Linux
Aktuelle Meldungen Distributionen
Name: Ausführen beliebiger Kommandos in Linux
ID: RHSA-2016:2962-01
Distribution: Red Hat
Plattformen: Red Hat Enterprise Linux
Datum: Di, 20. Dezember 2016, 14:38
Referenzen: https://access.redhat.com/security/cve/CVE-2016-7117

Originalnachricht

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=====================================================================
Red Hat Security Advisory

Synopsis: Important: kernel security and bug fix update
Advisory ID: RHSA-2016:2962-01
Product: Red Hat Enterprise Linux
Advisory URL: https://rhn.redhat.com/errata/RHSA-2016-2962.html
Issue date: 2016-12-20
CVE Names: CVE-2016-7117
=====================================================================

1. Summary:

An update for kernel is now available for Red Hat Enterprise Linux 5.

Red Hat Product Security has rated this update as having a security impact
of Important. A Common Vulnerability Scoring System (CVSS) base score,
which gives a detailed severity rating, is available for each vulnerability
from the CVE link(s) in the References section.

2. Relevant releases/architectures:

Red Hat Enterprise Linux (v. 5 server) - i386, ia64, noarch, ppc, s390x, x86_64
Red Hat Enterprise Linux Desktop (v. 5 client) - i386, noarch, x86_64

3. Description:

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

Security Fix(es):

* A use-after-free vulnerability was found in the kernels socket recvmmsg
subsystem. This may allows remote attackers to corrupt memory and may allow
execution of arbitrary code. This corruption takes place during the error
handling routines within __sys_recvmmsg() function. (CVE-2016-7117,
Important)

Bug Fix(es):

* Previously, guest virtual machines (VMs) on a Hyper-V server cluster got
in some cases rebooted during the graceful node failover test, because the
host kept sending heartbeat packets independently of guests responding to
them. This update fixes the bug by properly responding to all the heartbeat
messages in the queue, even if they are pending. As a result, guest VMs no
longer get rebooted under the described circumstances. (BZ#1391167)

4. Solution:

For details on how to apply this update, which includes the changes
described in this advisory, refer to:

https://access.redhat.com/articles/11258

The system must be rebooted for this update to take effect.

5. Bugs fixed (https://bugzilla.redhat.com/):

1382268 - CVE-2016-7117 kernel: Use-after-free in the recvmmsg exit path

6. Package List:

Red Hat Enterprise Linux Desktop (v. 5 client):

Source:
kernel-2.6.18-417.el5.src.rpm

i386:
kernel-2.6.18-417.el5.i686.rpm
kernel-PAE-2.6.18-417.el5.i686.rpm
kernel-PAE-debuginfo-2.6.18-417.el5.i686.rpm
kernel-PAE-devel-2.6.18-417.el5.i686.rpm
kernel-debug-2.6.18-417.el5.i686.rpm
kernel-debug-debuginfo-2.6.18-417.el5.i686.rpm
kernel-debug-devel-2.6.18-417.el5.i686.rpm
kernel-debuginfo-2.6.18-417.el5.i686.rpm
kernel-debuginfo-common-2.6.18-417.el5.i686.rpm
kernel-devel-2.6.18-417.el5.i686.rpm
kernel-headers-2.6.18-417.el5.i386.rpm
kernel-xen-2.6.18-417.el5.i686.rpm
kernel-xen-debuginfo-2.6.18-417.el5.i686.rpm
kernel-xen-devel-2.6.18-417.el5.i686.rpm

noarch:
kernel-doc-2.6.18-417.el5.noarch.rpm

x86_64:
kernel-2.6.18-417.el5.x86_64.rpm
kernel-debug-2.6.18-417.el5.x86_64.rpm
kernel-debug-debuginfo-2.6.18-417.el5.x86_64.rpm
kernel-debug-devel-2.6.18-417.el5.x86_64.rpm
kernel-debuginfo-2.6.18-417.el5.x86_64.rpm
kernel-debuginfo-common-2.6.18-417.el5.x86_64.rpm
kernel-devel-2.6.18-417.el5.x86_64.rpm
kernel-headers-2.6.18-417.el5.x86_64.rpm
kernel-xen-2.6.18-417.el5.x86_64.rpm
kernel-xen-debuginfo-2.6.18-417.el5.x86_64.rpm
kernel-xen-devel-2.6.18-417.el5.x86_64.rpm

Red Hat Enterprise Linux (v. 5 server):

Source:
kernel-2.6.18-417.el5.src.rpm

i386:
kernel-2.6.18-417.el5.i686.rpm
kernel-PAE-2.6.18-417.el5.i686.rpm
kernel-PAE-debuginfo-2.6.18-417.el5.i686.rpm
kernel-PAE-devel-2.6.18-417.el5.i686.rpm
kernel-debug-2.6.18-417.el5.i686.rpm
kernel-debug-debuginfo-2.6.18-417.el5.i686.rpm
kernel-debug-devel-2.6.18-417.el5.i686.rpm
kernel-debuginfo-2.6.18-417.el5.i686.rpm
kernel-debuginfo-common-2.6.18-417.el5.i686.rpm
kernel-devel-2.6.18-417.el5.i686.rpm
kernel-headers-2.6.18-417.el5.i386.rpm
kernel-xen-2.6.18-417.el5.i686.rpm
kernel-xen-debuginfo-2.6.18-417.el5.i686.rpm
kernel-xen-devel-2.6.18-417.el5.i686.rpm

ia64:
kernel-2.6.18-417.el5.ia64.rpm
kernel-debug-2.6.18-417.el5.ia64.rpm
kernel-debug-debuginfo-2.6.18-417.el5.ia64.rpm
kernel-debug-devel-2.6.18-417.el5.ia64.rpm
kernel-debuginfo-2.6.18-417.el5.ia64.rpm
kernel-debuginfo-common-2.6.18-417.el5.ia64.rpm
kernel-devel-2.6.18-417.el5.ia64.rpm
kernel-headers-2.6.18-417.el5.ia64.rpm
kernel-xen-2.6.18-417.el5.ia64.rpm
kernel-xen-debuginfo-2.6.18-417.el5.ia64.rpm
kernel-xen-devel-2.6.18-417.el5.ia64.rpm

noarch:
kernel-doc-2.6.18-417.el5.noarch.rpm

ppc:
kernel-2.6.18-417.el5.ppc64.rpm
kernel-debug-2.6.18-417.el5.ppc64.rpm
kernel-debug-debuginfo-2.6.18-417.el5.ppc64.rpm
kernel-debug-devel-2.6.18-417.el5.ppc64.rpm
kernel-debuginfo-2.6.18-417.el5.ppc64.rpm
kernel-debuginfo-common-2.6.18-417.el5.ppc64.rpm
kernel-devel-2.6.18-417.el5.ppc64.rpm
kernel-headers-2.6.18-417.el5.ppc.rpm
kernel-headers-2.6.18-417.el5.ppc64.rpm
kernel-kdump-2.6.18-417.el5.ppc64.rpm
kernel-kdump-debuginfo-2.6.18-417.el5.ppc64.rpm
kernel-kdump-devel-2.6.18-417.el5.ppc64.rpm

s390x:
kernel-2.6.18-417.el5.s390x.rpm
kernel-debug-2.6.18-417.el5.s390x.rpm
kernel-debug-debuginfo-2.6.18-417.el5.s390x.rpm
kernel-debug-devel-2.6.18-417.el5.s390x.rpm
kernel-debuginfo-2.6.18-417.el5.s390x.rpm
kernel-debuginfo-common-2.6.18-417.el5.s390x.rpm
kernel-devel-2.6.18-417.el5.s390x.rpm
kernel-headers-2.6.18-417.el5.s390x.rpm
kernel-kdump-2.6.18-417.el5.s390x.rpm
kernel-kdump-debuginfo-2.6.18-417.el5.s390x.rpm
kernel-kdump-devel-2.6.18-417.el5.s390x.rpm

x86_64:
kernel-2.6.18-417.el5.x86_64.rpm
kernel-debug-2.6.18-417.el5.x86_64.rpm
kernel-debug-debuginfo-2.6.18-417.el5.x86_64.rpm
kernel-debug-devel-2.6.18-417.el5.x86_64.rpm
kernel-debuginfo-2.6.18-417.el5.x86_64.rpm
kernel-debuginfo-common-2.6.18-417.el5.x86_64.rpm
kernel-devel-2.6.18-417.el5.x86_64.rpm
kernel-headers-2.6.18-417.el5.x86_64.rpm
kernel-xen-2.6.18-417.el5.x86_64.rpm
kernel-xen-debuginfo-2.6.18-417.el5.x86_64.rpm
kernel-xen-devel-2.6.18-417.el5.x86_64.rpm

These packages are GPG signed by Red Hat for security. Our key and
details on how to verify the signature are available from
https://access.redhat.com/security/team/key/

7. References:

https://access.redhat.com/security/cve/CVE-2016-7117
https://access.redhat.com/security/updates/classification/#important

8. Contact:

The Red Hat security contact is <secalert@redhat.com>. More contact
details at https://access.redhat.com/security/team/contact/

Copyright 2016 Red Hat, Inc.
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