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

Synopsis:          Important: kernel security, bug fix, and enhancement update
Advisory ID:       RHSA-2019:2566-01
Product:           Red Hat Enterprise Linux
Advisory URL:      https://access.redhat.com/errata/RHSA-2019:2566
Issue date:        2019-08-27
CVE Names:         CVE-2018-13405
====================================================================
1. Summary:

An update for kernel is now available for Red Hat Enterprise Linux 7.5
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. 7.5) - noarch, x86_64
Red Hat Enterprise Linux ComputeNode Optional EUS (v. 7.5) - x86_64
Red Hat Enterprise Linux Server EUS (v. 7.5) - noarch, ppc64, ppc64le, s390x, x86_64
Red Hat Enterprise Linux Server Optional EUS (v. 7.5) - ppc64, ppc64le, x86_64

3. Description:

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

Security Fix(es):

* kernel: Missing check in fs/inode.c:inode_init_owner() does not clear
SGID bit on non-directories for non-members (CVE-2018-13405)

For more details about the security issue(s), including the impact, a CVSS
score, acknowledgments, and other related information, refer to the CVE
page(s) listed in the References section.

Bug Fix(es):

* [Dell EMC 7.6 BUG] File system corrupting with I/O Stress on H330 PERC on
AMD Systems (BZ#1698337)

* [RHEL7.7] Refined TSC clocksource calibration occasionally fails on some
SkyLake-X servers (BZ#1719780)

* Poor system performance from thundering herd of kworkers competing for
mddev->flush_bio ownership (BZ#1721533)

* fragmented packets timing out (BZ#1729412)

* After update to RHEL 7.6 (3.10.0-957.1.3.el7.x86_64) from 7.4, customer
has experienced multiple panics in kernel at BUG at
drivers/iommu/iova.c:859! (BZ#1731299)

* kernel build: speed up debuginfo extraction (BZ#1731463)

Enhancement(s):

* [Intel 7.6 FEAT] Graphics Kernel Driver v4.15 updates (BZ#1716309)

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/):

1599161 - CVE-2018-13405 kernel: Missing check in fs/inode.c:inode_init_owner() does not clear SGID bit on non-directories for non-members

6. Package List:

Red Hat Enterprise Linux ComputeNode EUS (v. 7.5):

Source:
kernel-3.10.0-862.41.1.el7.src.rpm

noarch:
kernel-abi-whitelists-3.10.0-862.41.1.el7.noarch.rpm
kernel-doc-3.10.0-862.41.1.el7.noarch.rpm

x86_64:
kernel-3.10.0-862.41.1.el7.x86_64.rpm
kernel-debug-3.10.0-862.41.1.el7.x86_64.rpm
kernel-debug-debuginfo-3.10.0-862.41.1.el7.x86_64.rpm
kernel-debug-devel-3.10.0-862.41.1.el7.x86_64.rpm
kernel-debuginfo-3.10.0-862.41.1.el7.x86_64.rpm
kernel-debuginfo-common-x86_64-3.10.0-862.41.1.el7.x86_64.rpm
kernel-devel-3.10.0-862.41.1.el7.x86_64.rpm
kernel-headers-3.10.0-862.41.1.el7.x86_64.rpm
kernel-tools-3.10.0-862.41.1.el7.x86_64.rpm
kernel-tools-debuginfo-3.10.0-862.41.1.el7.x86_64.rpm
kernel-tools-libs-3.10.0-862.41.1.el7.x86_64.rpm
perf-3.10.0-862.41.1.el7.x86_64.rpm
perf-debuginfo-3.10.0-862.41.1.el7.x86_64.rpm
python-perf-3.10.0-862.41.1.el7.x86_64.rpm
python-perf-debuginfo-3.10.0-862.41.1.el7.x86_64.rpm

Red Hat Enterprise Linux ComputeNode Optional EUS (v. 7.5):

x86_64:
kernel-debug-debuginfo-3.10.0-862.41.1.el7.x86_64.rpm
kernel-debuginfo-3.10.0-862.41.1.el7.x86_64.rpm
kernel-debuginfo-common-x86_64-3.10.0-862.41.1.el7.x86_64.rpm
kernel-tools-debuginfo-3.10.0-862.41.1.el7.x86_64.rpm
kernel-tools-libs-devel-3.10.0-862.41.1.el7.x86_64.rpm
perf-debuginfo-3.10.0-862.41.1.el7.x86_64.rpm
python-perf-debuginfo-3.10.0-862.41.1.el7.x86_64.rpm

Red Hat Enterprise Linux Server EUS (v. 7.5):

Source:
kernel-3.10.0-862.41.1.el7.src.rpm

noarch:
kernel-abi-whitelists-3.10.0-862.41.1.el7.noarch.rpm
kernel-doc-3.10.0-862.41.1.el7.noarch.rpm

ppc64:
kernel-3.10.0-862.41.1.el7.ppc64.rpm
kernel-bootwrapper-3.10.0-862.41.1.el7.ppc64.rpm
kernel-debug-3.10.0-862.41.1.el7.ppc64.rpm
kernel-debug-debuginfo-3.10.0-862.41.1.el7.ppc64.rpm
kernel-debug-devel-3.10.0-862.41.1.el7.ppc64.rpm
kernel-debuginfo-3.10.0-862.41.1.el7.ppc64.rpm
kernel-debuginfo-common-ppc64-3.10.0-862.41.1.el7.ppc64.rpm
kernel-devel-3.10.0-862.41.1.el7.ppc64.rpm
kernel-headers-3.10.0-862.41.1.el7.ppc64.rpm
kernel-tools-3.10.0-862.41.1.el7.ppc64.rpm
kernel-tools-debuginfo-3.10.0-862.41.1.el7.ppc64.rpm
kernel-tools-libs-3.10.0-862.41.1.el7.ppc64.rpm
perf-3.10.0-862.41.1.el7.ppc64.rpm
perf-debuginfo-3.10.0-862.41.1.el7.ppc64.rpm
python-perf-3.10.0-862.41.1.el7.ppc64.rpm
python-perf-debuginfo-3.10.0-862.41.1.el7.ppc64.rpm

ppc64le:
kernel-3.10.0-862.41.1.el7.ppc64le.rpm
kernel-bootwrapper-3.10.0-862.41.1.el7.ppc64le.rpm
kernel-debug-3.10.0-862.41.1.el7.ppc64le.rpm
kernel-debug-debuginfo-3.10.0-862.41.1.el7.ppc64le.rpm
kernel-debuginfo-3.10.0-862.41.1.el7.ppc64le.rpm
kernel-debuginfo-common-ppc64le-3.10.0-862.41.1.el7.ppc64le.rpm
kernel-devel-3.10.0-862.41.1.el7.ppc64le.rpm
kernel-headers-3.10.0-862.41.1.el7.ppc64le.rpm
kernel-tools-3.10.0-862.41.1.el7.ppc64le.rpm
kernel-tools-debuginfo-3.10.0-862.41.1.el7.ppc64le.rpm
kernel-tools-libs-3.10.0-862.41.1.el7.ppc64le.rpm
perf-3.10.0-862.41.1.el7.ppc64le.rpm
perf-debuginfo-3.10.0-862.41.1.el7.ppc64le.rpm
python-perf-3.10.0-862.41.1.el7.ppc64le.rpm
python-perf-debuginfo-3.10.0-862.41.1.el7.ppc64le.rpm

s390x:
kernel-3.10.0-862.41.1.el7.s390x.rpm
kernel-debug-3.10.0-862.41.1.el7.s390x.rpm
kernel-debug-debuginfo-3.10.0-862.41.1.el7.s390x.rpm
kernel-debug-devel-3.10.0-862.41.1.el7.s390x.rpm
kernel-debuginfo-3.10.0-862.41.1.el7.s390x.rpm
kernel-debuginfo-common-s390x-3.10.0-862.41.1.el7.s390x.rpm
kernel-devel-3.10.0-862.41.1.el7.s390x.rpm
kernel-headers-3.10.0-862.41.1.el7.s390x.rpm
kernel-kdump-3.10.0-862.41.1.el7.s390x.rpm
kernel-kdump-debuginfo-3.10.0-862.41.1.el7.s390x.rpm
kernel-kdump-devel-3.10.0-862.41.1.el7.s390x.rpm
perf-3.10.0-862.41.1.el7.s390x.rpm
perf-debuginfo-3.10.0-862.41.1.el7.s390x.rpm
python-perf-3.10.0-862.41.1.el7.s390x.rpm
python-perf-debuginfo-3.10.0-862.41.1.el7.s390x.rpm

x86_64:
kernel-3.10.0-862.41.1.el7.x86_64.rpm
kernel-debug-3.10.0-862.41.1.el7.x86_64.rpm
kernel-debug-debuginfo-3.10.0-862.41.1.el7.x86_64.rpm
kernel-debug-devel-3.10.0-862.41.1.el7.x86_64.rpm
kernel-debuginfo-3.10.0-862.41.1.el7.x86_64.rpm
kernel-debuginfo-common-x86_64-3.10.0-862.41.1.el7.x86_64.rpm
kernel-devel-3.10.0-862.41.1.el7.x86_64.rpm
kernel-headers-3.10.0-862.41.1.el7.x86_64.rpm
kernel-tools-3.10.0-862.41.1.el7.x86_64.rpm
kernel-tools-debuginfo-3.10.0-862.41.1.el7.x86_64.rpm
kernel-tools-libs-3.10.0-862.41.1.el7.x86_64.rpm
perf-3.10.0-862.41.1.el7.x86_64.rpm
perf-debuginfo-3.10.0-862.41.1.el7.x86_64.rpm
python-perf-3.10.0-862.41.1.el7.x86_64.rpm
python-perf-debuginfo-3.10.0-862.41.1.el7.x86_64.rpm

Red Hat Enterprise Linux Server Optional EUS (v. 7.5):

ppc64:
kernel-debug-debuginfo-3.10.0-862.41.1.el7.ppc64.rpm
kernel-debuginfo-3.10.0-862.41.1.el7.ppc64.rpm
kernel-debuginfo-common-ppc64-3.10.0-862.41.1.el7.ppc64.rpm
kernel-tools-debuginfo-3.10.0-862.41.1.el7.ppc64.rpm
kernel-tools-libs-devel-3.10.0-862.41.1.el7.ppc64.rpm
perf-debuginfo-3.10.0-862.41.1.el7.ppc64.rpm
python-perf-debuginfo-3.10.0-862.41.1.el7.ppc64.rpm

ppc64le:
kernel-debug-debuginfo-3.10.0-862.41.1.el7.ppc64le.rpm
kernel-debug-devel-3.10.0-862.41.1.el7.ppc64le.rpm
kernel-debuginfo-3.10.0-862.41.1.el7.ppc64le.rpm
kernel-debuginfo-common-ppc64le-3.10.0-862.41.1.el7.ppc64le.rpm
kernel-tools-debuginfo-3.10.0-862.41.1.el7.ppc64le.rpm
kernel-tools-libs-devel-3.10.0-862.41.1.el7.ppc64le.rpm
perf-debuginfo-3.10.0-862.41.1.el7.ppc64le.rpm
python-perf-debuginfo-3.10.0-862.41.1.el7.ppc64le.rpm

x86_64:
kernel-debug-debuginfo-3.10.0-862.41.1.el7.x86_64.rpm
kernel-debuginfo-3.10.0-862.41.1.el7.x86_64.rpm
kernel-debuginfo-common-x86_64-3.10.0-862.41.1.el7.x86_64.rpm
kernel-tools-debuginfo-3.10.0-862.41.1.el7.x86_64.rpm
kernel-tools-libs-devel-3.10.0-862.41.1.el7.x86_64.rpm
perf-debuginfo-3.10.0-862.41.1.el7.x86_64.rpm
python-perf-debuginfo-3.10.0-862.41.1.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-2018-13405
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 2019 Red Hat, Inc.
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