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===================================================================== Red Hat Security Advisory
Synopsis: Important: kernel security and bug fix update Advisory ID: RHSA-2017:0270-01 Product: Red Hat Enterprise Linux Advisory URL: https://rhn.redhat.com/errata/RHSA-2017-0270.html Issue date: 2017-02-15 CVE Names: CVE-2016-7117 =====================================================================
1. Summary:
An update for kernel is now available for Red Hat Enterprise Linux 7.1 Extended Update Support.
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 ComputeNode EUS (v. 7.1) - noarch, x86_64 Red Hat Enterprise Linux ComputeNode Optional EUS (v. 7.1) - x86_64 Red Hat Enterprise Linux Server EUS (v. 7.1) - noarch, ppc64, ppc64le, s390x, x86_64 Red Hat Enterprise Linux Server Optional EUS (v. 7.1) - ppc64, ppc64le, s390x, 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 kernel's socket recvmmsg subsystem. This may allow 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, an XFS corruption in some cases occurred on Seagate 8TB drive based volumes after a planned system shutdown or reboot, when a disk write back cache was used. With this update, the megaraid_sas driver has been fixed and the XFS corruption no longer occurs in the described scenario. (BZ#1398177)
* Previously, booting a kdump kernel in some cases failed with this error:
Kernel panic - not syncing: Watchdog detected hard LOCKUP on CPU 0.
This update ensures that the hpet timer software counters, including hpet_default_delta and hpet_t1_cmp, are initialized before an interrupt request is registered, and the kdump kernel now boots without the mentioned error message. (BZ#1404180)
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 ComputeNode EUS (v. 7.1):
Source: kernel-3.10.0-229.48.1.el7.src.rpm
noarch: kernel-abi-whitelists-3.10.0-229.48.1.el7.noarch.rpm kernel-doc-3.10.0-229.48.1.el7.noarch.rpm
x86_64: kernel-3.10.0-229.48.1.el7.x86_64.rpm kernel-debug-3.10.0-229.48.1.el7.x86_64.rpm kernel-debug-debuginfo-3.10.0-229.48.1.el7.x86_64.rpm kernel-debug-devel-3.10.0-229.48.1.el7.x86_64.rpm kernel-debuginfo-3.10.0-229.48.1.el7.x86_64.rpm kernel-debuginfo-common-x86_64-3.10.0-229.48.1.el7.x86_64.rpm kernel-devel-3.10.0-229.48.1.el7.x86_64.rpm kernel-headers-3.10.0-229.48.1.el7.x86_64.rpm kernel-tools-3.10.0-229.48.1.el7.x86_64.rpm kernel-tools-debuginfo-3.10.0-229.48.1.el7.x86_64.rpm kernel-tools-libs-3.10.0-229.48.1.el7.x86_64.rpm perf-3.10.0-229.48.1.el7.x86_64.rpm perf-debuginfo-3.10.0-229.48.1.el7.x86_64.rpm python-perf-debuginfo-3.10.0-229.48.1.el7.x86_64.rpm
Red Hat Enterprise Linux ComputeNode Optional EUS (v. 7.1):
x86_64: kernel-debug-debuginfo-3.10.0-229.48.1.el7.x86_64.rpm kernel-debuginfo-3.10.0-229.48.1.el7.x86_64.rpm kernel-debuginfo-common-x86_64-3.10.0-229.48.1.el7.x86_64.rpm kernel-tools-debuginfo-3.10.0-229.48.1.el7.x86_64.rpm kernel-tools-libs-devel-3.10.0-229.48.1.el7.x86_64.rpm perf-debuginfo-3.10.0-229.48.1.el7.x86_64.rpm python-perf-3.10.0-229.48.1.el7.x86_64.rpm python-perf-debuginfo-3.10.0-229.48.1.el7.x86_64.rpm
Red Hat Enterprise Linux Server EUS (v. 7.1):
Source: kernel-3.10.0-229.48.1.el7.src.rpm
noarch: kernel-abi-whitelists-3.10.0-229.48.1.el7.noarch.rpm kernel-doc-3.10.0-229.48.1.el7.noarch.rpm
ppc64: kernel-3.10.0-229.48.1.el7.ppc64.rpm kernel-bootwrapper-3.10.0-229.48.1.el7.ppc64.rpm kernel-debug-3.10.0-229.48.1.el7.ppc64.rpm kernel-debug-debuginfo-3.10.0-229.48.1.el7.ppc64.rpm kernel-debug-devel-3.10.0-229.48.1.el7.ppc64.rpm kernel-debuginfo-3.10.0-229.48.1.el7.ppc64.rpm kernel-debuginfo-common-ppc64-3.10.0-229.48.1.el7.ppc64.rpm kernel-devel-3.10.0-229.48.1.el7.ppc64.rpm kernel-headers-3.10.0-229.48.1.el7.ppc64.rpm kernel-tools-3.10.0-229.48.1.el7.ppc64.rpm kernel-tools-debuginfo-3.10.0-229.48.1.el7.ppc64.rpm kernel-tools-libs-3.10.0-229.48.1.el7.ppc64.rpm perf-3.10.0-229.48.1.el7.ppc64.rpm perf-debuginfo-3.10.0-229.48.1.el7.ppc64.rpm python-perf-debuginfo-3.10.0-229.48.1.el7.ppc64.rpm
s390x: kernel-3.10.0-229.48.1.el7.s390x.rpm kernel-debug-3.10.0-229.48.1.el7.s390x.rpm kernel-debug-debuginfo-3.10.0-229.48.1.el7.s390x.rpm kernel-debug-devel-3.10.0-229.48.1.el7.s390x.rpm kernel-debuginfo-3.10.0-229.48.1.el7.s390x.rpm kernel-debuginfo-common-s390x-3.10.0-229.48.1.el7.s390x.rpm kernel-devel-3.10.0-229.48.1.el7.s390x.rpm kernel-headers-3.10.0-229.48.1.el7.s390x.rpm kernel-kdump-3.10.0-229.48.1.el7.s390x.rpm kernel-kdump-debuginfo-3.10.0-229.48.1.el7.s390x.rpm kernel-kdump-devel-3.10.0-229.48.1.el7.s390x.rpm perf-3.10.0-229.48.1.el7.s390x.rpm perf-debuginfo-3.10.0-229.48.1.el7.s390x.rpm python-perf-debuginfo-3.10.0-229.48.1.el7.s390x.rpm
x86_64: kernel-3.10.0-229.48.1.el7.x86_64.rpm kernel-debug-3.10.0-229.48.1.el7.x86_64.rpm kernel-debug-debuginfo-3.10.0-229.48.1.el7.x86_64.rpm kernel-debug-devel-3.10.0-229.48.1.el7.x86_64.rpm kernel-debuginfo-3.10.0-229.48.1.el7.x86_64.rpm kernel-debuginfo-common-x86_64-3.10.0-229.48.1.el7.x86_64.rpm kernel-devel-3.10.0-229.48.1.el7.x86_64.rpm kernel-headers-3.10.0-229.48.1.el7.x86_64.rpm kernel-tools-3.10.0-229.48.1.el7.x86_64.rpm kernel-tools-debuginfo-3.10.0-229.48.1.el7.x86_64.rpm kernel-tools-libs-3.10.0-229.48.1.el7.x86_64.rpm perf-3.10.0-229.48.1.el7.x86_64.rpm perf-debuginfo-3.10.0-229.48.1.el7.x86_64.rpm python-perf-debuginfo-3.10.0-229.48.1.el7.x86_64.rpm
Red Hat Enterprise Linux Server EUS (v. 7.1):
Source: kernel-3.10.0-229.48.1.ael7b.src.rpm
noarch: kernel-abi-whitelists-3.10.0-229.48.1.ael7b.noarch.rpm kernel-doc-3.10.0-229.48.1.ael7b.noarch.rpm
ppc64le: kernel-3.10.0-229.48.1.ael7b.ppc64le.rpm kernel-bootwrapper-3.10.0-229.48.1.ael7b.ppc64le.rpm kernel-debug-3.10.0-229.48.1.ael7b.ppc64le.rpm kernel-debug-debuginfo-3.10.0-229.48.1.ael7b.ppc64le.rpm kernel-debuginfo-3.10.0-229.48.1.ael7b.ppc64le.rpm kernel-debuginfo-common-ppc64le-3.10.0-229.48.1.ael7b.ppc64le.rpm kernel-devel-3.10.0-229.48.1.ael7b.ppc64le.rpm kernel-headers-3.10.0-229.48.1.ael7b.ppc64le.rpm kernel-tools-3.10.0-229.48.1.ael7b.ppc64le.rpm kernel-tools-debuginfo-3.10.0-229.48.1.ael7b.ppc64le.rpm kernel-tools-libs-3.10.0-229.48.1.ael7b.ppc64le.rpm perf-3.10.0-229.48.1.ael7b.ppc64le.rpm perf-debuginfo-3.10.0-229.48.1.ael7b.ppc64le.rpm python-perf-debuginfo-3.10.0-229.48.1.ael7b.ppc64le.rpm
Red Hat Enterprise Linux Server Optional EUS (v. 7.1):
ppc64: kernel-debug-debuginfo-3.10.0-229.48.1.el7.ppc64.rpm kernel-debuginfo-3.10.0-229.48.1.el7.ppc64.rpm kernel-debuginfo-common-ppc64-3.10.0-229.48.1.el7.ppc64.rpm kernel-tools-debuginfo-3.10.0-229.48.1.el7.ppc64.rpm kernel-tools-libs-devel-3.10.0-229.48.1.el7.ppc64.rpm perf-debuginfo-3.10.0-229.48.1.el7.ppc64.rpm python-perf-3.10.0-229.48.1.el7.ppc64.rpm python-perf-debuginfo-3.10.0-229.48.1.el7.ppc64.rpm
s390x: kernel-debug-debuginfo-3.10.0-229.48.1.el7.s390x.rpm kernel-debuginfo-3.10.0-229.48.1.el7.s390x.rpm kernel-debuginfo-common-s390x-3.10.0-229.48.1.el7.s390x.rpm kernel-kdump-debuginfo-3.10.0-229.48.1.el7.s390x.rpm perf-debuginfo-3.10.0-229.48.1.el7.s390x.rpm python-perf-3.10.0-229.48.1.el7.s390x.rpm python-perf-debuginfo-3.10.0-229.48.1.el7.s390x.rpm
x86_64: kernel-debug-debuginfo-3.10.0-229.48.1.el7.x86_64.rpm kernel-debuginfo-3.10.0-229.48.1.el7.x86_64.rpm kernel-debuginfo-common-x86_64-3.10.0-229.48.1.el7.x86_64.rpm kernel-tools-debuginfo-3.10.0-229.48.1.el7.x86_64.rpm kernel-tools-libs-devel-3.10.0-229.48.1.el7.x86_64.rpm perf-debuginfo-3.10.0-229.48.1.el7.x86_64.rpm python-perf-3.10.0-229.48.1.el7.x86_64.rpm python-perf-debuginfo-3.10.0-229.48.1.el7.x86_64.rpm
Red Hat Enterprise Linux Server Optional EUS (v. 7.1):
ppc64le: kernel-debug-debuginfo-3.10.0-229.48.1.ael7b.ppc64le.rpm kernel-debug-devel-3.10.0-229.48.1.ael7b.ppc64le.rpm kernel-debuginfo-3.10.0-229.48.1.ael7b.ppc64le.rpm kernel-debuginfo-common-ppc64le-3.10.0-229.48.1.ael7b.ppc64le.rpm kernel-tools-debuginfo-3.10.0-229.48.1.ael7b.ppc64le.rpm kernel-tools-libs-devel-3.10.0-229.48.1.ael7b.ppc64le.rpm perf-debuginfo-3.10.0-229.48.1.ael7b.ppc64le.rpm python-perf-3.10.0-229.48.1.ael7b.ppc64le.rpm python-perf-debuginfo-3.10.0-229.48.1.ael7b.ppc64le.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/
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