Home / mailings [RHSA-2019:2837-01] Important: kernel security and bug fix update
Posted on 20 September 2019
RedHat===================================================================== Red Hat Security Advisory
Synopsis: Important: kernel security and bug fix update
Advisory ID: RHSA-2019:2837-01
Product: Red Hat Enterprise Linux
Advisory URL: https://access.redhat.com/errata/RHSA-2019:2837
Issue date: 2019-09-20
CVE Names: CVE-2019-5489 CVE-2019-11810
=====================================================================
1. Summary:
An update for kernel is now available for Red Hat Enterprise Linux 7.6
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. 7.6) - noarch, x86_64
Red Hat Enterprise Linux ComputeNode Optional EUS (v. 7.6) - x86_64
Red Hat Enterprise Linux Server EUS (v. 7.6) - noarch, ppc64, ppc64le, s390x, x86_64
Red Hat Enterprise Linux Server Optional EUS (v. 7.6) - ppc64, ppc64le, x86_64
3. Description:
The kernel packages contain the Linux kernel, the core of any Linux
operating system.
Security Fix(es):
* Kernel: page cache side channel attacks (CVE-2019-5489)
* kernel: a NULL pointer dereference in
drivers/scsi/megaraid/megaraid_sas_base.c leading to DoS (CVE-2019-11810)
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):
* [RHEL7.7] Refined TSC clocksource calibration occasionally fails on some
SkyLake-X servers (BZ#1719781)
* tc: incorrect flows statistic on bond device (shared block) (BZ#1719786)
* Qlogic qla2xxx driver version 10.x.x.x pins all irq requests to cpu0 and
associated cores (BZ#1720956)
* libceph: handle an empty authorize reply (BZ#1722769)
* RHEL7.6 - pkey: Indicate old mkvp only if old and curr. mkvp are
different (BZ#1723153)
* RHEL7.6 - qdio: clear intparm during shutdown (BZ#1723154)
* [RHEL7] Fix Spectre V1 vulnerability in vhost code (BZ#1724079)
* [Stratus] 802.3ad bond group member disabled after reboot (or I/O failure
testing) (BZ#1725037)
* Accept validate negotiate if server returns NT_STATUS_NOT_SUPPORTED.
(BZ#1726563)
* [Regression] RHEL7.6 - losing dirty bit during THP splitting, possible
memory corruption (mm-) (BZ#1727108)
* [Intel 7.7 BUG] BUG: unable to handle kernel paging request at
000000006b4fd010 (BZ#1727110)
* KVM tracebacks causing significant latency to VM (BZ#1728174)
* NULL pointer dereference in vxlan_dellink+0xaa (BZ#1728198)
* [rhel7]NULL pointer dereference at vxlan_fill_metadata_dst (BZ#1728199)
* 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#1731300)
* kernel build: speed up debuginfo extraction (BZ#1731464)
* hpsa driver hard lockup trying to complete a no longer valid completion
on the stack (BZ#1731980)
* XFS: forced shutdown in xfs_trans_cancel during create near ENOSPC
(BZ#1731982)
* TCP packets are segmented when sent to the VLAN device when coming from
VXLAN dev. (BZ#1732812)
* panic handing smb2_reconnect due to a use after free (BZ#1737381)
* Backport TCP follow-up for small buffers (BZ#1739129)
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/):
1664110 - CVE-2019-5489 Kernel: page cache side channel attacks
1709164 - CVE-2019-11810 kernel: a NULL pointer dereference in drivers/scsi/megaraid/megaraid_sas_base.c leading to DoS
6. Package List:
Red Hat Enterprise Linux ComputeNode EUS (v. 7.6):
Source:
kernel-3.10.0-957.35.1.el7.src.rpm
noarch:
kernel-abi-whitelists-3.10.0-957.35.1.el7.noarch.rpm
kernel-doc-3.10.0-957.35.1.el7.noarch.rpm
x86_64:
bpftool-3.10.0-957.35.1.el7.x86_64.rpm
kernel-3.10.0-957.35.1.el7.x86_64.rpm
kernel-debug-3.10.0-957.35.1.el7.x86_64.rpm
kernel-debug-debuginfo-3.10.0-957.35.1.el7.x86_64.rpm
kernel-debug-devel-3.10.0-957.35.1.el7.x86_64.rpm
kernel-debuginfo-3.10.0-957.35.1.el7.x86_64.rpm
kernel-debuginfo-common-x86_64-3.10.0-957.35.1.el7.x86_64.rpm
kernel-devel-3.10.0-957.35.1.el7.x86_64.rpm
kernel-headers-3.10.0-957.35.1.el7.x86_64.rpm
kernel-tools-3.10.0-957.35.1.el7.x86_64.rpm
kernel-tools-debuginfo-3.10.0-957.35.1.el7.x86_64.rpm
kernel-tools-libs-3.10.0-957.35.1.el7.x86_64.rpm
perf-3.10.0-957.35.1.el7.x86_64.rpm
perf-debuginfo-3.10.0-957.35.1.el7.x86_64.rpm
python-perf-3.10.0-957.35.1.el7.x86_64.rpm
python-perf-debuginfo-3.10.0-957.35.1.el7.x86_64.rpm
Red Hat Enterprise Linux ComputeNode Optional EUS (v. 7.6):
x86_64:
kernel-debug-debuginfo-3.10.0-957.35.1.el7.x86_64.rpm
kernel-debuginfo-3.10.0-957.35.1.el7.x86_64.rpm
kernel-debuginfo-common-x86_64-3.10.0-957.35.1.el7.x86_64.rpm
kernel-tools-debuginfo-3.10.0-957.35.1.el7.x86_64.rpm
kernel-tools-libs-devel-3.10.0-957.35.1.el7.x86_64.rpm
perf-debuginfo-3.10.0-957.35.1.el7.x86_64.rpm
python-perf-debuginfo-3.10.0-957.35.1.el7.x86_64.rpm
Red Hat Enterprise Linux Server EUS (v. 7.6):
Source:
kernel-3.10.0-957.35.1.el7.src.rpm
noarch:
kernel-abi-whitelists-3.10.0-957.35.1.el7.noarch.rpm
kernel-doc-3.10.0-957.35.1.el7.noarch.rpm
ppc64:
kernel-3.10.0-957.35.1.el7.ppc64.rpm
kernel-bootwrapper-3.10.0-957.35.1.el7.ppc64.rpm
kernel-debug-3.10.0-957.35.1.el7.ppc64.rpm
kernel-debug-debuginfo-3.10.0-957.35.1.el7.ppc64.rpm
kernel-debug-devel-3.10.0-957.35.1.el7.ppc64.rpm
kernel-debuginfo-3.10.0-957.35.1.el7.ppc64.rpm
kernel-debuginfo-common-ppc64-3.10.0-957.35.1.el7.ppc64.rpm
kernel-devel-3.10.0-957.35.1.el7.ppc64.rpm
kernel-headers-3.10.0-957.35.1.el7.ppc64.rpm
kernel-tools-3.10.0-957.35.1.el7.ppc64.rpm
kernel-tools-debuginfo-3.10.0-957.35.1.el7.ppc64.rpm
kernel-tools-libs-3.10.0-957.35.1.el7.ppc64.rpm
perf-3.10.0-957.35.1.el7.ppc64.rpm
perf-debuginfo-3.10.0-957.35.1.el7.ppc64.rpm
python-perf-3.10.0-957.35.1.el7.ppc64.rpm
python-perf-debuginfo-3.10.0-957.35.1.el7.ppc64.rpm
ppc64le:
kernel-3.10.0-957.35.1.el7.ppc64le.rpm
kernel-bootwrapper-3.10.0-957.35.1.el7.ppc64le.rpm
kernel-debug-3.10.0-957.35.1.el7.ppc64le.rpm
kernel-debug-debuginfo-3.10.0-957.35.1.el7.ppc64le.rpm
kernel-debuginfo-3.10.0-957.35.1.el7.ppc64le.rpm
kernel-debuginfo-common-ppc64le-3.10.0-957.35.1.el7.ppc64le.rpm
kernel-devel-3.10.0-957.35.1.el7.ppc64le.rpm
kernel-headers-3.10.0-957.35.1.el7.ppc64le.rpm
kernel-tools-3.10.0-957.35.1.el7.ppc64le.rpm
kernel-tools-debuginfo-3.10.0-957.35.1.el7.ppc64le.rpm
kernel-tools-libs-3.10.0-957.35.1.el7.ppc64le.rpm
perf-3.10.0-957.35.1.el7.ppc64le.rpm
perf-debuginfo-3.10.0-957.35.1.el7.ppc64le.rpm
python-perf-3.10.0-957.35.1.el7.ppc64le.rpm
python-perf-debuginfo-3.10.0-957.35.1.el7.ppc64le.rpm
s390x:
kernel-3.10.0-957.35.1.el7.s390x.rpm
kernel-debug-3.10.0-957.35.1.el7.s390x.rpm
kernel-debug-debuginfo-3.10.0-957.35.1.el7.s390x.rpm
kernel-debug-devel-3.10.0-957.35.1.el7.s390x.rpm
kernel-debuginfo-3.10.0-957.35.1.el7.s390x.rpm
kernel-debuginfo-common-s390x-3.10.0-957.35.1.el7.s390x.rpm
kernel-devel-3.10.0-957.35.1.el7.s390x.rpm
kernel-headers-3.10.0-957.35.1.el7.s390x.rpm
kernel-kdump-3.10.0-957.35.1.el7.s390x.rpm
kernel-kdump-debuginfo-3.10.0-957.35.1.el7.s390x.rpm
kernel-kdump-devel-3.10.0-957.35.1.el7.s390x.rpm
perf-3.10.0-957.35.1.el7.s390x.rpm
perf-debuginfo-3.10.0-957.35.1.el7.s390x.rpm
python-perf-3.10.0-957.35.1.el7.s390x.rpm
python-perf-debuginfo-3.10.0-957.35.1.el7.s390x.rpm
x86_64:
bpftool-3.10.0-957.35.1.el7.x86_64.rpm
kernel-3.10.0-957.35.1.el7.x86_64.rpm
kernel-debug-3.10.0-957.35.1.el7.x86_64.rpm
kernel-debug-debuginfo-3.10.0-957.35.1.el7.x86_64.rpm
kernel-debug-devel-3.10.0-957.35.1.el7.x86_64.rpm
kernel-debuginfo-3.10.0-957.35.1.el7.x86_64.rpm
kernel-debuginfo-common-x86_64-3.10.0-957.35.1.el7.x86_64.rpm
kernel-devel-3.10.0-957.35.1.el7.x86_64.rpm
kernel-headers-3.10.0-957.35.1.el7.x86_64.rpm
kernel-tools-3.10.0-957.35.1.el7.x86_64.rpm
kernel-tools-debuginfo-3.10.0-957.35.1.el7.x86_64.rpm
kernel-tools-libs-3.10.0-957.35.1.el7.x86_64.rpm
perf-3.10.0-957.35.1.el7.x86_64.rpm
perf-debuginfo-3.10.0-957.35.1.el7.x86_64.rpm
python-perf-3.10.0-957.35.1.el7.x86_64.rpm
python-perf-debuginfo-3.10.0-957.35.1.el7.x86_64.rpm
Red Hat Enterprise Linux Server Optional EUS (v. 7.6):
ppc64:
kernel-debug-debuginfo-3.10.0-957.35.1.el7.ppc64.rpm
kernel-debuginfo-3.10.0-957.35.1.el7.ppc64.rpm
kernel-debuginfo-common-ppc64-3.10.0-957.35.1.el7.ppc64.rpm
kernel-tools-debuginfo-3.10.0-957.35.1.el7.ppc64.rpm
kernel-tools-libs-devel-3.10.0-957.35.1.el7.ppc64.rpm
perf-debuginfo-3.10.0-957.35.1.el7.ppc64.rpm
python-perf-debuginfo-3.10.0-957.35.1.el7.ppc64.rpm
ppc64le:
kernel-debug-debuginfo-3.10.0-957.35.1.el7.ppc64le.rpm
kernel-debug-devel-3.10.0-957.35.1.el7.ppc64le.rpm
kernel-debuginfo-3.10.0-957.35.1.el7.ppc64le.rpm
kernel-debuginfo-common-ppc64le-3.10.0-957.35.1.el7.ppc64le.rpm
kernel-tools-debuginfo-3.10.0-957.35.1.el7.ppc64le.rpm
kernel-tools-libs-devel-3.10.0-957.35.1.el7.ppc64le.rpm
perf-debuginfo-3.10.0-957.35.1.el7.ppc64le.rpm
python-perf-debuginfo-3.10.0-957.35.1.el7.ppc64le.rpm
x86_64:
kernel-debug-debuginfo-3.10.0-957.35.1.el7.x86_64.rpm
kernel-debuginfo-3.10.0-957.35.1.el7.x86_64.rpm
kernel-debuginfo-common-x86_64-3.10.0-957.35.1.el7.x86_64.rpm
kernel-tools-debuginfo-3.10.0-957.35.1.el7.x86_64.rpm
kernel-tools-libs-devel-3.10.0-957.35.1.el7.x86_64.rpm
perf-debuginfo-3.10.0-957.35.1.el7.x86_64.rpm
python-perf-debuginfo-3.10.0-957.35.1.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-2019-5489
https://access.redhat.com/security/cve/CVE-2019-11810
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.
