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Sicherheit: Mehrere Probleme in Linux
Aktuelle Meldungen Distributionen
Name: Mehrere Probleme in Linux
ID: RHSA-2015:1778-01
Distribution: Red Hat
Plattformen: Red Hat Enterprise Linux
Datum: Di, 15. September 2015, 23:28
Referenzen: http://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2015-4700
http://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2015-0275
http://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2014-9585
https://access.redhat.com/articles/1614563
http://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2015-5366
http://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2015-1333
http://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2015-3212
http://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2015-5364
Applikationen: Linux

Originalnachricht

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Hash: SHA1

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

Synopsis: Important: kernel security and bug fix update
Advisory ID: RHSA-2015:1778-01
Product: Red Hat Enterprise Linux
Advisory URL: https://rhn.redhat.com/errata/RHSA-2015-1778.html
Issue date: 2015-09-15
CVE Names: CVE-2014-9585 CVE-2015-0275 CVE-2015-1333
CVE-2015-3212 CVE-2015-4700 CVE-2015-5364
CVE-2015-5366
=====================================================================

1. Summary:

Updated kernel packages that fix multiple security issues and several bugs
are now available for Red Hat Enterprise Linux 7.

Red Hat Product Security has rated this update as having Important security
impact. Common Vulnerability Scoring System (CVSS) base scores, which give
detailed severity ratings, are available for each vulnerability from the
CVE links in the References section.

2. Relevant releases/architectures:

Red Hat Enterprise Linux Client (v. 7) - noarch, x86_64
Red Hat Enterprise Linux Client Optional (v. 7) - x86_64
Red Hat Enterprise Linux ComputeNode (v. 7) - noarch, x86_64
Red Hat Enterprise Linux ComputeNode Optional (v. 7) - x86_64
Red Hat Enterprise Linux Server (v. 7) - noarch, ppc64, ppc64le, s390x, x86_64
Red Hat Enterprise Linux Server Optional (v. 7) - ppc64, ppc64le, s390x, x86_64
Red Hat Enterprise Linux Workstation (v. 7) - noarch, x86_64
Red Hat Enterprise Linux Workstation Optional (v. 7) - x86_64

3. Description:

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

* A flaw was found in the kernel's implementation of the Berkeley Packet
Filter (BPF). A local attacker could craft BPF code to crash the system by
creating a situation in which the JIT compiler would fail to correctly
optimize the JIT image on the last pass. This would lead to the CPU
executing instructions that were not part of the JIT code. (CVE-2015-4700,
Important)

* Two flaws were found in the way the Linux kernel's networking
implementation handled UDP packets with incorrect checksum values. A remote
attacker could potentially use these flaws to trigger an infinite loop in
the kernel, resulting in a denial of service on the system, or cause a
denial of service in applications using the edge triggered epoll
functionality. (CVE-2015-5364, CVE-2015-5366, Important)

* A flaw was found in the way the Linux kernel's ext4 file system handled
the "page size > block size" condition when the fallocate zero range
functionality was used. A local attacker could use this flaw to crash the
system. (CVE-2015-0275, Moderate)

* It was found that the Linux kernel's keyring implementation would leak
memory when adding a key to a keyring via the add_key() function. A local
attacker could use this flaw to exhaust all available memory on the system.
(CVE-2015-1333, Moderate)

* A race condition flaw was found in the way the Linux kernel's SCTP
implementation handled Address Configuration lists when performing Address
Configuration Change (ASCONF). A local attacker could use this flaw to
crash the system via a race condition triggered by setting certain ASCONF
options on a socket. (CVE-2015-3212, Moderate)

* An information leak flaw was found in the way the Linux kernel's Virtual
Dynamic Shared Object (vDSO) implementation performed address
randomization. A local, unprivileged user could use this flaw to leak
kernel memory addresses to user-space. (CVE-2014-9585, Low)

Red Hat would like to thank Daniel Borkmann for reporting CVE-2015-4700,
and Canonical for reporting the CVE-2015-1333 issue. The CVE-2015-0275
issue was discovered by Xiong Zhou of Red Hat, and the CVE-2015-3212 issue
was discovered by Ji Jianwen of Red Hat Engineering.

This update also fixes several bugs. Refer to the following Knowledgebase
article for further information:

https://access.redhat.com/articles/1614563

All kernel users are advised to upgrade to these updated packages, which
contain backported patches to correct these issues. The system must be
rebooted for this update to take effect.

4. Solution:

Before applying this update, make sure all previously released errata
relevant to your system have been applied.

For details on how to apply this update, refer to:

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

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

1181054 - CVE-2014-9585 kernel: ASLR bruteforce possible for vdso library
1193907 - CVE-2015-0275 kernel: fs: ext4: fallocate zero range page size >
block size BUG()
1226442 - CVE-2015-3212 kernel: SCTP race condition allows list corruption and
panic from userlevel
1233615 - CVE-2015-4700 kernel: Crafted BPF filters may crash kernel during JIT
optimisation
1239029 - CVE-2015-5366 CVE-2015-5364 kernel: net: incorrect processing of
checksums in UDP implementation
1245658 - CVE-2015-1333 kernel: denial of service due to memory leak in
add_key()

6. Package List:

Red Hat Enterprise Linux Client (v. 7):

Source:
kernel-3.10.0-229.14.1.el7.src.rpm

noarch:
kernel-abi-whitelists-3.10.0-229.14.1.el7.noarch.rpm
kernel-doc-3.10.0-229.14.1.el7.noarch.rpm

x86_64:
kernel-3.10.0-229.14.1.el7.x86_64.rpm
kernel-debug-3.10.0-229.14.1.el7.x86_64.rpm
kernel-debug-debuginfo-3.10.0-229.14.1.el7.x86_64.rpm
kernel-debug-devel-3.10.0-229.14.1.el7.x86_64.rpm
kernel-debuginfo-3.10.0-229.14.1.el7.x86_64.rpm
kernel-debuginfo-common-x86_64-3.10.0-229.14.1.el7.x86_64.rpm
kernel-devel-3.10.0-229.14.1.el7.x86_64.rpm
kernel-headers-3.10.0-229.14.1.el7.x86_64.rpm
kernel-tools-3.10.0-229.14.1.el7.x86_64.rpm
kernel-tools-debuginfo-3.10.0-229.14.1.el7.x86_64.rpm
kernel-tools-libs-3.10.0-229.14.1.el7.x86_64.rpm
perf-3.10.0-229.14.1.el7.x86_64.rpm
perf-debuginfo-3.10.0-229.14.1.el7.x86_64.rpm
python-perf-debuginfo-3.10.0-229.14.1.el7.x86_64.rpm

Red Hat Enterprise Linux Client Optional (v. 7):

x86_64:
kernel-debug-debuginfo-3.10.0-229.14.1.el7.x86_64.rpm
kernel-debuginfo-3.10.0-229.14.1.el7.x86_64.rpm
kernel-debuginfo-common-x86_64-3.10.0-229.14.1.el7.x86_64.rpm
kernel-tools-debuginfo-3.10.0-229.14.1.el7.x86_64.rpm
kernel-tools-libs-devel-3.10.0-229.14.1.el7.x86_64.rpm
perf-debuginfo-3.10.0-229.14.1.el7.x86_64.rpm
python-perf-3.10.0-229.14.1.el7.x86_64.rpm
python-perf-debuginfo-3.10.0-229.14.1.el7.x86_64.rpm

Red Hat Enterprise Linux ComputeNode (v. 7):

Source:
kernel-3.10.0-229.14.1.el7.src.rpm

noarch:
kernel-abi-whitelists-3.10.0-229.14.1.el7.noarch.rpm
kernel-doc-3.10.0-229.14.1.el7.noarch.rpm

x86_64:
kernel-3.10.0-229.14.1.el7.x86_64.rpm
kernel-debug-3.10.0-229.14.1.el7.x86_64.rpm
kernel-debug-debuginfo-3.10.0-229.14.1.el7.x86_64.rpm
kernel-debug-devel-3.10.0-229.14.1.el7.x86_64.rpm
kernel-debuginfo-3.10.0-229.14.1.el7.x86_64.rpm
kernel-debuginfo-common-x86_64-3.10.0-229.14.1.el7.x86_64.rpm
kernel-devel-3.10.0-229.14.1.el7.x86_64.rpm
kernel-headers-3.10.0-229.14.1.el7.x86_64.rpm
kernel-tools-3.10.0-229.14.1.el7.x86_64.rpm
kernel-tools-debuginfo-3.10.0-229.14.1.el7.x86_64.rpm
kernel-tools-libs-3.10.0-229.14.1.el7.x86_64.rpm
perf-3.10.0-229.14.1.el7.x86_64.rpm
perf-debuginfo-3.10.0-229.14.1.el7.x86_64.rpm
python-perf-debuginfo-3.10.0-229.14.1.el7.x86_64.rpm

Red Hat Enterprise Linux ComputeNode Optional (v. 7):

x86_64:
kernel-debug-debuginfo-3.10.0-229.14.1.el7.x86_64.rpm
kernel-debuginfo-3.10.0-229.14.1.el7.x86_64.rpm
kernel-debuginfo-common-x86_64-3.10.0-229.14.1.el7.x86_64.rpm
kernel-tools-debuginfo-3.10.0-229.14.1.el7.x86_64.rpm
kernel-tools-libs-devel-3.10.0-229.14.1.el7.x86_64.rpm
perf-debuginfo-3.10.0-229.14.1.el7.x86_64.rpm
python-perf-3.10.0-229.14.1.el7.x86_64.rpm
python-perf-debuginfo-3.10.0-229.14.1.el7.x86_64.rpm

Red Hat Enterprise Linux Server (v. 7):

Source:
kernel-3.10.0-229.14.1.el7.src.rpm

noarch:
kernel-abi-whitelists-3.10.0-229.14.1.el7.noarch.rpm
kernel-doc-3.10.0-229.14.1.el7.noarch.rpm

ppc64:
kernel-3.10.0-229.14.1.el7.ppc64.rpm
kernel-bootwrapper-3.10.0-229.14.1.el7.ppc64.rpm
kernel-debug-3.10.0-229.14.1.el7.ppc64.rpm
kernel-debug-debuginfo-3.10.0-229.14.1.el7.ppc64.rpm
kernel-debug-devel-3.10.0-229.14.1.el7.ppc64.rpm
kernel-debuginfo-3.10.0-229.14.1.el7.ppc64.rpm
kernel-debuginfo-common-ppc64-3.10.0-229.14.1.el7.ppc64.rpm
kernel-devel-3.10.0-229.14.1.el7.ppc64.rpm
kernel-headers-3.10.0-229.14.1.el7.ppc64.rpm
kernel-tools-3.10.0-229.14.1.el7.ppc64.rpm
kernel-tools-debuginfo-3.10.0-229.14.1.el7.ppc64.rpm
kernel-tools-libs-3.10.0-229.14.1.el7.ppc64.rpm
perf-3.10.0-229.14.1.el7.ppc64.rpm
perf-debuginfo-3.10.0-229.14.1.el7.ppc64.rpm
python-perf-debuginfo-3.10.0-229.14.1.el7.ppc64.rpm

s390x:
kernel-3.10.0-229.14.1.el7.s390x.rpm
kernel-debug-3.10.0-229.14.1.el7.s390x.rpm
kernel-debug-debuginfo-3.10.0-229.14.1.el7.s390x.rpm
kernel-debug-devel-3.10.0-229.14.1.el7.s390x.rpm
kernel-debuginfo-3.10.0-229.14.1.el7.s390x.rpm
kernel-debuginfo-common-s390x-3.10.0-229.14.1.el7.s390x.rpm
kernel-devel-3.10.0-229.14.1.el7.s390x.rpm
kernel-headers-3.10.0-229.14.1.el7.s390x.rpm
kernel-kdump-3.10.0-229.14.1.el7.s390x.rpm
kernel-kdump-debuginfo-3.10.0-229.14.1.el7.s390x.rpm
kernel-kdump-devel-3.10.0-229.14.1.el7.s390x.rpm
perf-3.10.0-229.14.1.el7.s390x.rpm
perf-debuginfo-3.10.0-229.14.1.el7.s390x.rpm
python-perf-debuginfo-3.10.0-229.14.1.el7.s390x.rpm

x86_64:
kernel-3.10.0-229.14.1.el7.x86_64.rpm
kernel-debug-3.10.0-229.14.1.el7.x86_64.rpm
kernel-debug-debuginfo-3.10.0-229.14.1.el7.x86_64.rpm
kernel-debug-devel-3.10.0-229.14.1.el7.x86_64.rpm
kernel-debuginfo-3.10.0-229.14.1.el7.x86_64.rpm
kernel-debuginfo-common-x86_64-3.10.0-229.14.1.el7.x86_64.rpm
kernel-devel-3.10.0-229.14.1.el7.x86_64.rpm
kernel-headers-3.10.0-229.14.1.el7.x86_64.rpm
kernel-tools-3.10.0-229.14.1.el7.x86_64.rpm
kernel-tools-debuginfo-3.10.0-229.14.1.el7.x86_64.rpm
kernel-tools-libs-3.10.0-229.14.1.el7.x86_64.rpm
perf-3.10.0-229.14.1.el7.x86_64.rpm
perf-debuginfo-3.10.0-229.14.1.el7.x86_64.rpm
python-perf-debuginfo-3.10.0-229.14.1.el7.x86_64.rpm

Red Hat Enterprise Linux Server (v. 7):

Source:
kernel-3.10.0-229.14.1.ael7b.src.rpm

noarch:
kernel-abi-whitelists-3.10.0-229.14.1.ael7b.noarch.rpm
kernel-doc-3.10.0-229.14.1.ael7b.noarch.rpm

ppc64le:
kernel-3.10.0-229.14.1.ael7b.ppc64le.rpm
kernel-bootwrapper-3.10.0-229.14.1.ael7b.ppc64le.rpm
kernel-debug-3.10.0-229.14.1.ael7b.ppc64le.rpm
kernel-debug-debuginfo-3.10.0-229.14.1.ael7b.ppc64le.rpm
kernel-debuginfo-3.10.0-229.14.1.ael7b.ppc64le.rpm
kernel-debuginfo-common-ppc64le-3.10.0-229.14.1.ael7b.ppc64le.rpm
kernel-devel-3.10.0-229.14.1.ael7b.ppc64le.rpm
kernel-headers-3.10.0-229.14.1.ael7b.ppc64le.rpm
kernel-tools-3.10.0-229.14.1.ael7b.ppc64le.rpm
kernel-tools-debuginfo-3.10.0-229.14.1.ael7b.ppc64le.rpm
kernel-tools-libs-3.10.0-229.14.1.ael7b.ppc64le.rpm
perf-3.10.0-229.14.1.ael7b.ppc64le.rpm
perf-debuginfo-3.10.0-229.14.1.ael7b.ppc64le.rpm
python-perf-debuginfo-3.10.0-229.14.1.ael7b.ppc64le.rpm

Red Hat Enterprise Linux Server Optional (v. 7):

ppc64:
kernel-debug-debuginfo-3.10.0-229.14.1.el7.ppc64.rpm
kernel-debuginfo-3.10.0-229.14.1.el7.ppc64.rpm
kernel-debuginfo-common-ppc64-3.10.0-229.14.1.el7.ppc64.rpm
kernel-tools-debuginfo-3.10.0-229.14.1.el7.ppc64.rpm
kernel-tools-libs-devel-3.10.0-229.14.1.el7.ppc64.rpm
perf-debuginfo-3.10.0-229.14.1.el7.ppc64.rpm
python-perf-3.10.0-229.14.1.el7.ppc64.rpm
python-perf-debuginfo-3.10.0-229.14.1.el7.ppc64.rpm

s390x:
kernel-debug-debuginfo-3.10.0-229.14.1.el7.s390x.rpm
kernel-debuginfo-3.10.0-229.14.1.el7.s390x.rpm
kernel-debuginfo-common-s390x-3.10.0-229.14.1.el7.s390x.rpm
kernel-kdump-debuginfo-3.10.0-229.14.1.el7.s390x.rpm
perf-debuginfo-3.10.0-229.14.1.el7.s390x.rpm
python-perf-3.10.0-229.14.1.el7.s390x.rpm
python-perf-debuginfo-3.10.0-229.14.1.el7.s390x.rpm

x86_64:
kernel-debug-debuginfo-3.10.0-229.14.1.el7.x86_64.rpm
kernel-debuginfo-3.10.0-229.14.1.el7.x86_64.rpm
kernel-debuginfo-common-x86_64-3.10.0-229.14.1.el7.x86_64.rpm
kernel-tools-debuginfo-3.10.0-229.14.1.el7.x86_64.rpm
kernel-tools-libs-devel-3.10.0-229.14.1.el7.x86_64.rpm
perf-debuginfo-3.10.0-229.14.1.el7.x86_64.rpm
python-perf-3.10.0-229.14.1.el7.x86_64.rpm
python-perf-debuginfo-3.10.0-229.14.1.el7.x86_64.rpm

Red Hat Enterprise Linux Server Optional (v. 7):

ppc64le:
kernel-debug-debuginfo-3.10.0-229.14.1.ael7b.ppc64le.rpm
kernel-debug-devel-3.10.0-229.14.1.ael7b.ppc64le.rpm
kernel-debuginfo-3.10.0-229.14.1.ael7b.ppc64le.rpm
kernel-debuginfo-common-ppc64le-3.10.0-229.14.1.ael7b.ppc64le.rpm
kernel-tools-debuginfo-3.10.0-229.14.1.ael7b.ppc64le.rpm
kernel-tools-libs-devel-3.10.0-229.14.1.ael7b.ppc64le.rpm
perf-debuginfo-3.10.0-229.14.1.ael7b.ppc64le.rpm
python-perf-3.10.0-229.14.1.ael7b.ppc64le.rpm
python-perf-debuginfo-3.10.0-229.14.1.ael7b.ppc64le.rpm

Red Hat Enterprise Linux Workstation (v. 7):

Source:
kernel-3.10.0-229.14.1.el7.src.rpm

noarch:
kernel-abi-whitelists-3.10.0-229.14.1.el7.noarch.rpm
kernel-doc-3.10.0-229.14.1.el7.noarch.rpm

x86_64:
kernel-3.10.0-229.14.1.el7.x86_64.rpm
kernel-debug-3.10.0-229.14.1.el7.x86_64.rpm
kernel-debug-debuginfo-3.10.0-229.14.1.el7.x86_64.rpm
kernel-debug-devel-3.10.0-229.14.1.el7.x86_64.rpm
kernel-debuginfo-3.10.0-229.14.1.el7.x86_64.rpm
kernel-debuginfo-common-x86_64-3.10.0-229.14.1.el7.x86_64.rpm
kernel-devel-3.10.0-229.14.1.el7.x86_64.rpm
kernel-headers-3.10.0-229.14.1.el7.x86_64.rpm
kernel-tools-3.10.0-229.14.1.el7.x86_64.rpm
kernel-tools-debuginfo-3.10.0-229.14.1.el7.x86_64.rpm
kernel-tools-libs-3.10.0-229.14.1.el7.x86_64.rpm
perf-3.10.0-229.14.1.el7.x86_64.rpm
perf-debuginfo-3.10.0-229.14.1.el7.x86_64.rpm
python-perf-debuginfo-3.10.0-229.14.1.el7.x86_64.rpm

Red Hat Enterprise Linux Workstation Optional (v. 7):

x86_64:
kernel-debug-debuginfo-3.10.0-229.14.1.el7.x86_64.rpm
kernel-debuginfo-3.10.0-229.14.1.el7.x86_64.rpm
kernel-debuginfo-common-x86_64-3.10.0-229.14.1.el7.x86_64.rpm
kernel-tools-debuginfo-3.10.0-229.14.1.el7.x86_64.rpm
kernel-tools-libs-devel-3.10.0-229.14.1.el7.x86_64.rpm
perf-debuginfo-3.10.0-229.14.1.el7.x86_64.rpm
python-perf-3.10.0-229.14.1.el7.x86_64.rpm
python-perf-debuginfo-3.10.0-229.14.1.el7.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-2014-9585
https://access.redhat.com/security/cve/CVE-2015-0275
https://access.redhat.com/security/cve/CVE-2015-1333
https://access.redhat.com/security/cve/CVE-2015-3212
https://access.redhat.com/security/cve/CVE-2015-4700
https://access.redhat.com/security/cve/CVE-2015-5364
https://access.redhat.com/security/cve/CVE-2015-5366
https://access.redhat.com/security/updates/classification/#important
https://access.redhat.com/articles/1614563

8. Contact:

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

Copyright 2015 Red Hat, Inc.
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