[RHSA-2017:2795-01] Important: kernel security update
Security announcements for all Red Hat products and services.
rhsa-announce at redhat.com
Tue Sep 26 19:40:26 UTC 2017
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Red Hat Security Advisory
Synopsis: Important: kernel security update
Advisory ID: RHSA-2017:2795-01
Product: Red Hat Enterprise Linux
Advisory URL: https://access.redhat.com/errata/RHSA-2017:2795
Issue date: 2017-09-26
CVE Names: CVE-2017-1000253
=====================================================================
1. Summary:
An update for kernel is now available for Red Hat Enterprise Linux 6.
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 Desktop (v. 6) - i386, noarch, x86_64
Red Hat Enterprise Linux Desktop Optional (v. 6) - i386, x86_64
Red Hat Enterprise Linux HPC Node (v. 6) - noarch, x86_64
Red Hat Enterprise Linux HPC Node Optional (v. 6) - x86_64
Red Hat Enterprise Linux Server (v. 6) - i386, noarch, ppc64, s390x, x86_64
Red Hat Enterprise Linux Server Optional (v. 6) - i386, ppc64, s390x, x86_64
Red Hat Enterprise Linux Workstation (v. 6) - i386, noarch, x86_64
Red Hat Enterprise Linux Workstation Optional (v. 6) - i386, x86_64
3. Description:
The kernel packages contain the Linux kernel, the core of any Linux
operating system.
Security Fix(es):
* A flaw was found in the way the Linux kernel loaded ELF executables.
Provided that an application was built as Position Independent Executable
(PIE), the loader could allow part of that application's data segment to
map over the memory area reserved for its stack, potentially resulting in
memory corruption. An unprivileged local user with access to SUID (or
otherwise privileged) PIE binary could use this flaw to escalate their
privileges on the system. (CVE-2017-1000253, Important)
Red Hat would like to thank Qualys Research Labs for reporting this issue.
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/):
1492212 - CVE-2017-1000253 kernel: load_elf_ binary() does not take account of the need to allocate sufficient space for the entire binary
6. Package List:
Red Hat Enterprise Linux Desktop (v. 6):
Source:
kernel-2.6.32-696.10.3.el6.src.rpm
i386:
kernel-2.6.32-696.10.3.el6.i686.rpm
kernel-debug-2.6.32-696.10.3.el6.i686.rpm
kernel-debug-debuginfo-2.6.32-696.10.3.el6.i686.rpm
kernel-debug-devel-2.6.32-696.10.3.el6.i686.rpm
kernel-debuginfo-2.6.32-696.10.3.el6.i686.rpm
kernel-debuginfo-common-i686-2.6.32-696.10.3.el6.i686.rpm
kernel-devel-2.6.32-696.10.3.el6.i686.rpm
kernel-headers-2.6.32-696.10.3.el6.i686.rpm
perf-2.6.32-696.10.3.el6.i686.rpm
perf-debuginfo-2.6.32-696.10.3.el6.i686.rpm
python-perf-debuginfo-2.6.32-696.10.3.el6.i686.rpm
noarch:
kernel-abi-whitelists-2.6.32-696.10.3.el6.noarch.rpm
kernel-doc-2.6.32-696.10.3.el6.noarch.rpm
kernel-firmware-2.6.32-696.10.3.el6.noarch.rpm
x86_64:
kernel-2.6.32-696.10.3.el6.x86_64.rpm
kernel-debug-2.6.32-696.10.3.el6.x86_64.rpm
kernel-debug-debuginfo-2.6.32-696.10.3.el6.i686.rpm
kernel-debug-debuginfo-2.6.32-696.10.3.el6.x86_64.rpm
kernel-debug-devel-2.6.32-696.10.3.el6.i686.rpm
kernel-debug-devel-2.6.32-696.10.3.el6.x86_64.rpm
kernel-debuginfo-2.6.32-696.10.3.el6.i686.rpm
kernel-debuginfo-2.6.32-696.10.3.el6.x86_64.rpm
kernel-debuginfo-common-i686-2.6.32-696.10.3.el6.i686.rpm
kernel-debuginfo-common-x86_64-2.6.32-696.10.3.el6.x86_64.rpm
kernel-devel-2.6.32-696.10.3.el6.x86_64.rpm
kernel-headers-2.6.32-696.10.3.el6.x86_64.rpm
perf-2.6.32-696.10.3.el6.x86_64.rpm
perf-debuginfo-2.6.32-696.10.3.el6.i686.rpm
perf-debuginfo-2.6.32-696.10.3.el6.x86_64.rpm
python-perf-debuginfo-2.6.32-696.10.3.el6.i686.rpm
python-perf-debuginfo-2.6.32-696.10.3.el6.x86_64.rpm
Red Hat Enterprise Linux Desktop Optional (v. 6):
i386:
kernel-debug-debuginfo-2.6.32-696.10.3.el6.i686.rpm
kernel-debuginfo-2.6.32-696.10.3.el6.i686.rpm
kernel-debuginfo-common-i686-2.6.32-696.10.3.el6.i686.rpm
perf-debuginfo-2.6.32-696.10.3.el6.i686.rpm
python-perf-2.6.32-696.10.3.el6.i686.rpm
python-perf-debuginfo-2.6.32-696.10.3.el6.i686.rpm
x86_64:
kernel-debug-debuginfo-2.6.32-696.10.3.el6.x86_64.rpm
kernel-debuginfo-2.6.32-696.10.3.el6.x86_64.rpm
kernel-debuginfo-common-x86_64-2.6.32-696.10.3.el6.x86_64.rpm
perf-debuginfo-2.6.32-696.10.3.el6.x86_64.rpm
python-perf-2.6.32-696.10.3.el6.x86_64.rpm
python-perf-debuginfo-2.6.32-696.10.3.el6.x86_64.rpm
Red Hat Enterprise Linux HPC Node (v. 6):
Source:
kernel-2.6.32-696.10.3.el6.src.rpm
noarch:
kernel-abi-whitelists-2.6.32-696.10.3.el6.noarch.rpm
kernel-doc-2.6.32-696.10.3.el6.noarch.rpm
kernel-firmware-2.6.32-696.10.3.el6.noarch.rpm
x86_64:
kernel-2.6.32-696.10.3.el6.x86_64.rpm
kernel-debug-2.6.32-696.10.3.el6.x86_64.rpm
kernel-debug-debuginfo-2.6.32-696.10.3.el6.i686.rpm
kernel-debug-debuginfo-2.6.32-696.10.3.el6.x86_64.rpm
kernel-debug-devel-2.6.32-696.10.3.el6.i686.rpm
kernel-debug-devel-2.6.32-696.10.3.el6.x86_64.rpm
kernel-debuginfo-2.6.32-696.10.3.el6.i686.rpm
kernel-debuginfo-2.6.32-696.10.3.el6.x86_64.rpm
kernel-debuginfo-common-i686-2.6.32-696.10.3.el6.i686.rpm
kernel-debuginfo-common-x86_64-2.6.32-696.10.3.el6.x86_64.rpm
kernel-devel-2.6.32-696.10.3.el6.x86_64.rpm
kernel-headers-2.6.32-696.10.3.el6.x86_64.rpm
perf-2.6.32-696.10.3.el6.x86_64.rpm
perf-debuginfo-2.6.32-696.10.3.el6.i686.rpm
perf-debuginfo-2.6.32-696.10.3.el6.x86_64.rpm
python-perf-debuginfo-2.6.32-696.10.3.el6.i686.rpm
python-perf-debuginfo-2.6.32-696.10.3.el6.x86_64.rpm
Red Hat Enterprise Linux HPC Node Optional (v. 6):
x86_64:
kernel-debug-debuginfo-2.6.32-696.10.3.el6.x86_64.rpm
kernel-debuginfo-2.6.32-696.10.3.el6.x86_64.rpm
kernel-debuginfo-common-x86_64-2.6.32-696.10.3.el6.x86_64.rpm
perf-debuginfo-2.6.32-696.10.3.el6.x86_64.rpm
python-perf-2.6.32-696.10.3.el6.x86_64.rpm
python-perf-debuginfo-2.6.32-696.10.3.el6.x86_64.rpm
Red Hat Enterprise Linux Server (v. 6):
Source:
kernel-2.6.32-696.10.3.el6.src.rpm
i386:
kernel-2.6.32-696.10.3.el6.i686.rpm
kernel-debug-2.6.32-696.10.3.el6.i686.rpm
kernel-debug-debuginfo-2.6.32-696.10.3.el6.i686.rpm
kernel-debug-devel-2.6.32-696.10.3.el6.i686.rpm
kernel-debuginfo-2.6.32-696.10.3.el6.i686.rpm
kernel-debuginfo-common-i686-2.6.32-696.10.3.el6.i686.rpm
kernel-devel-2.6.32-696.10.3.el6.i686.rpm
kernel-headers-2.6.32-696.10.3.el6.i686.rpm
perf-2.6.32-696.10.3.el6.i686.rpm
perf-debuginfo-2.6.32-696.10.3.el6.i686.rpm
python-perf-debuginfo-2.6.32-696.10.3.el6.i686.rpm
noarch:
kernel-abi-whitelists-2.6.32-696.10.3.el6.noarch.rpm
kernel-doc-2.6.32-696.10.3.el6.noarch.rpm
kernel-firmware-2.6.32-696.10.3.el6.noarch.rpm
ppc64:
kernel-2.6.32-696.10.3.el6.ppc64.rpm
kernel-bootwrapper-2.6.32-696.10.3.el6.ppc64.rpm
kernel-debug-2.6.32-696.10.3.el6.ppc64.rpm
kernel-debug-debuginfo-2.6.32-696.10.3.el6.ppc64.rpm
kernel-debug-devel-2.6.32-696.10.3.el6.ppc64.rpm
kernel-debuginfo-2.6.32-696.10.3.el6.ppc64.rpm
kernel-debuginfo-common-ppc64-2.6.32-696.10.3.el6.ppc64.rpm
kernel-devel-2.6.32-696.10.3.el6.ppc64.rpm
kernel-headers-2.6.32-696.10.3.el6.ppc64.rpm
perf-2.6.32-696.10.3.el6.ppc64.rpm
perf-debuginfo-2.6.32-696.10.3.el6.ppc64.rpm
python-perf-debuginfo-2.6.32-696.10.3.el6.ppc64.rpm
s390x:
kernel-2.6.32-696.10.3.el6.s390x.rpm
kernel-debug-2.6.32-696.10.3.el6.s390x.rpm
kernel-debug-debuginfo-2.6.32-696.10.3.el6.s390x.rpm
kernel-debug-devel-2.6.32-696.10.3.el6.s390x.rpm
kernel-debuginfo-2.6.32-696.10.3.el6.s390x.rpm
kernel-debuginfo-common-s390x-2.6.32-696.10.3.el6.s390x.rpm
kernel-devel-2.6.32-696.10.3.el6.s390x.rpm
kernel-headers-2.6.32-696.10.3.el6.s390x.rpm
kernel-kdump-2.6.32-696.10.3.el6.s390x.rpm
kernel-kdump-debuginfo-2.6.32-696.10.3.el6.s390x.rpm
kernel-kdump-devel-2.6.32-696.10.3.el6.s390x.rpm
perf-2.6.32-696.10.3.el6.s390x.rpm
perf-debuginfo-2.6.32-696.10.3.el6.s390x.rpm
python-perf-debuginfo-2.6.32-696.10.3.el6.s390x.rpm
x86_64:
kernel-2.6.32-696.10.3.el6.x86_64.rpm
kernel-debug-2.6.32-696.10.3.el6.x86_64.rpm
kernel-debug-debuginfo-2.6.32-696.10.3.el6.i686.rpm
kernel-debug-debuginfo-2.6.32-696.10.3.el6.x86_64.rpm
kernel-debug-devel-2.6.32-696.10.3.el6.i686.rpm
kernel-debug-devel-2.6.32-696.10.3.el6.x86_64.rpm
kernel-debuginfo-2.6.32-696.10.3.el6.i686.rpm
kernel-debuginfo-2.6.32-696.10.3.el6.x86_64.rpm
kernel-debuginfo-common-i686-2.6.32-696.10.3.el6.i686.rpm
kernel-debuginfo-common-x86_64-2.6.32-696.10.3.el6.x86_64.rpm
kernel-devel-2.6.32-696.10.3.el6.x86_64.rpm
kernel-headers-2.6.32-696.10.3.el6.x86_64.rpm
perf-2.6.32-696.10.3.el6.x86_64.rpm
perf-debuginfo-2.6.32-696.10.3.el6.i686.rpm
perf-debuginfo-2.6.32-696.10.3.el6.x86_64.rpm
python-perf-debuginfo-2.6.32-696.10.3.el6.i686.rpm
python-perf-debuginfo-2.6.32-696.10.3.el6.x86_64.rpm
Red Hat Enterprise Linux Server Optional (v. 6):
i386:
kernel-debug-debuginfo-2.6.32-696.10.3.el6.i686.rpm
kernel-debuginfo-2.6.32-696.10.3.el6.i686.rpm
kernel-debuginfo-common-i686-2.6.32-696.10.3.el6.i686.rpm
perf-debuginfo-2.6.32-696.10.3.el6.i686.rpm
python-perf-2.6.32-696.10.3.el6.i686.rpm
python-perf-debuginfo-2.6.32-696.10.3.el6.i686.rpm
ppc64:
kernel-debug-debuginfo-2.6.32-696.10.3.el6.ppc64.rpm
kernel-debuginfo-2.6.32-696.10.3.el6.ppc64.rpm
kernel-debuginfo-common-ppc64-2.6.32-696.10.3.el6.ppc64.rpm
perf-debuginfo-2.6.32-696.10.3.el6.ppc64.rpm
python-perf-2.6.32-696.10.3.el6.ppc64.rpm
python-perf-debuginfo-2.6.32-696.10.3.el6.ppc64.rpm
s390x:
kernel-debug-debuginfo-2.6.32-696.10.3.el6.s390x.rpm
kernel-debuginfo-2.6.32-696.10.3.el6.s390x.rpm
kernel-debuginfo-common-s390x-2.6.32-696.10.3.el6.s390x.rpm
kernel-kdump-debuginfo-2.6.32-696.10.3.el6.s390x.rpm
perf-debuginfo-2.6.32-696.10.3.el6.s390x.rpm
python-perf-2.6.32-696.10.3.el6.s390x.rpm
python-perf-debuginfo-2.6.32-696.10.3.el6.s390x.rpm
x86_64:
kernel-debug-debuginfo-2.6.32-696.10.3.el6.x86_64.rpm
kernel-debuginfo-2.6.32-696.10.3.el6.x86_64.rpm
kernel-debuginfo-common-x86_64-2.6.32-696.10.3.el6.x86_64.rpm
perf-debuginfo-2.6.32-696.10.3.el6.x86_64.rpm
python-perf-2.6.32-696.10.3.el6.x86_64.rpm
python-perf-debuginfo-2.6.32-696.10.3.el6.x86_64.rpm
Red Hat Enterprise Linux Workstation (v. 6):
Source:
kernel-2.6.32-696.10.3.el6.src.rpm
i386:
kernel-2.6.32-696.10.3.el6.i686.rpm
kernel-debug-2.6.32-696.10.3.el6.i686.rpm
kernel-debug-debuginfo-2.6.32-696.10.3.el6.i686.rpm
kernel-debug-devel-2.6.32-696.10.3.el6.i686.rpm
kernel-debuginfo-2.6.32-696.10.3.el6.i686.rpm
kernel-debuginfo-common-i686-2.6.32-696.10.3.el6.i686.rpm
kernel-devel-2.6.32-696.10.3.el6.i686.rpm
kernel-headers-2.6.32-696.10.3.el6.i686.rpm
perf-2.6.32-696.10.3.el6.i686.rpm
perf-debuginfo-2.6.32-696.10.3.el6.i686.rpm
python-perf-debuginfo-2.6.32-696.10.3.el6.i686.rpm
noarch:
kernel-abi-whitelists-2.6.32-696.10.3.el6.noarch.rpm
kernel-doc-2.6.32-696.10.3.el6.noarch.rpm
kernel-firmware-2.6.32-696.10.3.el6.noarch.rpm
x86_64:
kernel-2.6.32-696.10.3.el6.x86_64.rpm
kernel-debug-2.6.32-696.10.3.el6.x86_64.rpm
kernel-debug-debuginfo-2.6.32-696.10.3.el6.i686.rpm
kernel-debug-debuginfo-2.6.32-696.10.3.el6.x86_64.rpm
kernel-debug-devel-2.6.32-696.10.3.el6.i686.rpm
kernel-debug-devel-2.6.32-696.10.3.el6.x86_64.rpm
kernel-debuginfo-2.6.32-696.10.3.el6.i686.rpm
kernel-debuginfo-2.6.32-696.10.3.el6.x86_64.rpm
kernel-debuginfo-common-i686-2.6.32-696.10.3.el6.i686.rpm
kernel-debuginfo-common-x86_64-2.6.32-696.10.3.el6.x86_64.rpm
kernel-devel-2.6.32-696.10.3.el6.x86_64.rpm
kernel-headers-2.6.32-696.10.3.el6.x86_64.rpm
perf-2.6.32-696.10.3.el6.x86_64.rpm
perf-debuginfo-2.6.32-696.10.3.el6.i686.rpm
perf-debuginfo-2.6.32-696.10.3.el6.x86_64.rpm
python-perf-debuginfo-2.6.32-696.10.3.el6.i686.rpm
python-perf-debuginfo-2.6.32-696.10.3.el6.x86_64.rpm
Red Hat Enterprise Linux Workstation Optional (v. 6):
i386:
kernel-debug-debuginfo-2.6.32-696.10.3.el6.i686.rpm
kernel-debuginfo-2.6.32-696.10.3.el6.i686.rpm
kernel-debuginfo-common-i686-2.6.32-696.10.3.el6.i686.rpm
perf-debuginfo-2.6.32-696.10.3.el6.i686.rpm
python-perf-2.6.32-696.10.3.el6.i686.rpm
python-perf-debuginfo-2.6.32-696.10.3.el6.i686.rpm
x86_64:
kernel-debug-debuginfo-2.6.32-696.10.3.el6.x86_64.rpm
kernel-debuginfo-2.6.32-696.10.3.el6.x86_64.rpm
kernel-debuginfo-common-x86_64-2.6.32-696.10.3.el6.x86_64.rpm
perf-debuginfo-2.6.32-696.10.3.el6.x86_64.rpm
python-perf-2.6.32-696.10.3.el6.x86_64.rpm
python-perf-debuginfo-2.6.32-696.10.3.el6.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-2017-1000253
https://access.redhat.com/security/updates/classification/#important
https://access.redhat.com/security/vulnerabilities/3189592
8. Contact:
The Red Hat security contact is <secalert at redhat.com>. More contact
details at https://access.redhat.com/security/team/contact/
Copyright 2017 Red Hat, Inc.
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