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

Synopsis:          Important: kernel security, bug fix, and enhancement update
Advisory ID:       RHSA-2020:1465-01
Product:           Red Hat Enterprise Linux
Advisory URL:      https://access.redhat.com/errata/RHSA-2020:1465
Issue date:        2020-04-14
CVE Names:         CVE-2019-17666 CVE-2019-19338
====================================================================
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: rtl_p2p_noa_ie in drivers/net/wireless/realtek/rtlwifi/ps.c in
the Linux kernel lacks a certain upper-bound check, leading to a buffer
overflow (CVE-2019-17666)

* Kernel: KVM: export MSR_IA32_TSX_CTRL to guest - incomplete fix for TAA
(CVE-2019-11135) (CVE-2019-19338)

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):

* Slow console output with ast (Aspeed) graphics driver (BZ#1780146)

* VFS: Busy inodes after unmount of loop0 when encountering duplicate
directory inodes (BZ#1781158)

* RHEL 7.7 long I/O stalls with bnx2fc from not masking off scope bits of
retry delay value (BZ#1795648)

* System Crash on vport creation (NPIV on FCoE) (BZ#1796363)

* A directory on a gfs2 filesystem appears corrupt on nodeB after nodeA
renames the directory (BZ#1796430)

* [GSS] Can't access the mount point due to possible blocking of i/o on rbd
(BZ#1796434)

* [xfstests]: copy_file_range cause corruption on rhel-7 (BZ#1797966)

* port show-kabi to python3 (BZ#1806928)

* top shows super high loads when tuned profile realtime-virtual-host is
applied (BZ#1808028)

Enhancement(s):

* scsi: qla2xxx: Fix panic in qla_dfs_tgt_counters_show' (BZ#1791594)

* [Cavium 7.7 Feat] qla2xxx: Update to latest upstream. (BZ#1797503)

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/):

1763690 - CVE-2019-17666 kernel: rtl_p2p_noa_ie in drivers/net/wireless/realtek/rtlwifi/ps.c in the Linux kernel lacks a certain upper-bound check, leading to a buffer overflow
1781514 - CVE-2019-19338 Kernel: KVM: export MSR_IA32_TSX_CTRL to guest - incomplete fix for TAA (CVE-2019-11135)

6. Package List:

Red Hat Enterprise Linux ComputeNode EUS (v. 7.6):

Source:
kernel-3.10.0-957.48.1.el7.src.rpm

noarch:
kernel-abi-whitelists-3.10.0-957.48.1.el7.noarch.rpm
kernel-doc-3.10.0-957.48.1.el7.noarch.rpm

x86_64:
bpftool-3.10.0-957.48.1.el7.x86_64.rpm
kernel-3.10.0-957.48.1.el7.x86_64.rpm
kernel-debug-3.10.0-957.48.1.el7.x86_64.rpm
kernel-debug-debuginfo-3.10.0-957.48.1.el7.x86_64.rpm
kernel-debug-devel-3.10.0-957.48.1.el7.x86_64.rpm
kernel-debuginfo-3.10.0-957.48.1.el7.x86_64.rpm
kernel-debuginfo-common-x86_64-3.10.0-957.48.1.el7.x86_64.rpm
kernel-devel-3.10.0-957.48.1.el7.x86_64.rpm
kernel-headers-3.10.0-957.48.1.el7.x86_64.rpm
kernel-tools-3.10.0-957.48.1.el7.x86_64.rpm
kernel-tools-debuginfo-3.10.0-957.48.1.el7.x86_64.rpm
kernel-tools-libs-3.10.0-957.48.1.el7.x86_64.rpm
perf-3.10.0-957.48.1.el7.x86_64.rpm
perf-debuginfo-3.10.0-957.48.1.el7.x86_64.rpm
python-perf-3.10.0-957.48.1.el7.x86_64.rpm
python-perf-debuginfo-3.10.0-957.48.1.el7.x86_64.rpm

Red Hat Enterprise Linux ComputeNode Optional EUS (v. 7.6):

x86_64:
kernel-debug-debuginfo-3.10.0-957.48.1.el7.x86_64.rpm
kernel-debuginfo-3.10.0-957.48.1.el7.x86_64.rpm
kernel-debuginfo-common-x86_64-3.10.0-957.48.1.el7.x86_64.rpm
kernel-tools-debuginfo-3.10.0-957.48.1.el7.x86_64.rpm
kernel-tools-libs-devel-3.10.0-957.48.1.el7.x86_64.rpm
perf-debuginfo-3.10.0-957.48.1.el7.x86_64.rpm
python-perf-debuginfo-3.10.0-957.48.1.el7.x86_64.rpm

Red Hat Enterprise Linux Server EUS (v. 7.6):

Source:
kernel-3.10.0-957.48.1.el7.src.rpm

noarch:
kernel-abi-whitelists-3.10.0-957.48.1.el7.noarch.rpm
kernel-doc-3.10.0-957.48.1.el7.noarch.rpm

ppc64:
kernel-3.10.0-957.48.1.el7.ppc64.rpm
kernel-bootwrapper-3.10.0-957.48.1.el7.ppc64.rpm
kernel-debug-3.10.0-957.48.1.el7.ppc64.rpm
kernel-debug-debuginfo-3.10.0-957.48.1.el7.ppc64.rpm
kernel-debug-devel-3.10.0-957.48.1.el7.ppc64.rpm
kernel-debuginfo-3.10.0-957.48.1.el7.ppc64.rpm
kernel-debuginfo-common-ppc64-3.10.0-957.48.1.el7.ppc64.rpm
kernel-devel-3.10.0-957.48.1.el7.ppc64.rpm
kernel-headers-3.10.0-957.48.1.el7.ppc64.rpm
kernel-tools-3.10.0-957.48.1.el7.ppc64.rpm
kernel-tools-debuginfo-3.10.0-957.48.1.el7.ppc64.rpm
kernel-tools-libs-3.10.0-957.48.1.el7.ppc64.rpm
perf-3.10.0-957.48.1.el7.ppc64.rpm
perf-debuginfo-3.10.0-957.48.1.el7.ppc64.rpm
python-perf-3.10.0-957.48.1.el7.ppc64.rpm
python-perf-debuginfo-3.10.0-957.48.1.el7.ppc64.rpm

ppc64le:
kernel-3.10.0-957.48.1.el7.ppc64le.rpm
kernel-bootwrapper-3.10.0-957.48.1.el7.ppc64le.rpm
kernel-debug-3.10.0-957.48.1.el7.ppc64le.rpm
kernel-debug-debuginfo-3.10.0-957.48.1.el7.ppc64le.rpm
kernel-debuginfo-3.10.0-957.48.1.el7.ppc64le.rpm
kernel-debuginfo-common-ppc64le-3.10.0-957.48.1.el7.ppc64le.rpm
kernel-devel-3.10.0-957.48.1.el7.ppc64le.rpm
kernel-headers-3.10.0-957.48.1.el7.ppc64le.rpm
kernel-tools-3.10.0-957.48.1.el7.ppc64le.rpm
kernel-tools-debuginfo-3.10.0-957.48.1.el7.ppc64le.rpm
kernel-tools-libs-3.10.0-957.48.1.el7.ppc64le.rpm
perf-3.10.0-957.48.1.el7.ppc64le.rpm
perf-debuginfo-3.10.0-957.48.1.el7.ppc64le.rpm
python-perf-3.10.0-957.48.1.el7.ppc64le.rpm
python-perf-debuginfo-3.10.0-957.48.1.el7.ppc64le.rpm

s390x:
kernel-3.10.0-957.48.1.el7.s390x.rpm
kernel-debug-3.10.0-957.48.1.el7.s390x.rpm
kernel-debug-debuginfo-3.10.0-957.48.1.el7.s390x.rpm
kernel-debug-devel-3.10.0-957.48.1.el7.s390x.rpm
kernel-debuginfo-3.10.0-957.48.1.el7.s390x.rpm
kernel-debuginfo-common-s390x-3.10.0-957.48.1.el7.s390x.rpm
kernel-devel-3.10.0-957.48.1.el7.s390x.rpm
kernel-headers-3.10.0-957.48.1.el7.s390x.rpm
kernel-kdump-3.10.0-957.48.1.el7.s390x.rpm
kernel-kdump-debuginfo-3.10.0-957.48.1.el7.s390x.rpm
kernel-kdump-devel-3.10.0-957.48.1.el7.s390x.rpm
perf-3.10.0-957.48.1.el7.s390x.rpm
perf-debuginfo-3.10.0-957.48.1.el7.s390x.rpm
python-perf-3.10.0-957.48.1.el7.s390x.rpm
python-perf-debuginfo-3.10.0-957.48.1.el7.s390x.rpm

x86_64:
bpftool-3.10.0-957.48.1.el7.x86_64.rpm
kernel-3.10.0-957.48.1.el7.x86_64.rpm
kernel-debug-3.10.0-957.48.1.el7.x86_64.rpm
kernel-debug-debuginfo-3.10.0-957.48.1.el7.x86_64.rpm
kernel-debug-devel-3.10.0-957.48.1.el7.x86_64.rpm
kernel-debuginfo-3.10.0-957.48.1.el7.x86_64.rpm
kernel-debuginfo-common-x86_64-3.10.0-957.48.1.el7.x86_64.rpm
kernel-devel-3.10.0-957.48.1.el7.x86_64.rpm
kernel-headers-3.10.0-957.48.1.el7.x86_64.rpm
kernel-tools-3.10.0-957.48.1.el7.x86_64.rpm
kernel-tools-debuginfo-3.10.0-957.48.1.el7.x86_64.rpm
kernel-tools-libs-3.10.0-957.48.1.el7.x86_64.rpm
perf-3.10.0-957.48.1.el7.x86_64.rpm
perf-debuginfo-3.10.0-957.48.1.el7.x86_64.rpm
python-perf-3.10.0-957.48.1.el7.x86_64.rpm
python-perf-debuginfo-3.10.0-957.48.1.el7.x86_64.rpm

Red Hat Enterprise Linux Server Optional EUS (v. 7.6):

ppc64:
kernel-debug-debuginfo-3.10.0-957.48.1.el7.ppc64.rpm
kernel-debuginfo-3.10.0-957.48.1.el7.ppc64.rpm
kernel-debuginfo-common-ppc64-3.10.0-957.48.1.el7.ppc64.rpm
kernel-tools-debuginfo-3.10.0-957.48.1.el7.ppc64.rpm
kernel-tools-libs-devel-3.10.0-957.48.1.el7.ppc64.rpm
perf-debuginfo-3.10.0-957.48.1.el7.ppc64.rpm
python-perf-debuginfo-3.10.0-957.48.1.el7.ppc64.rpm

ppc64le:
kernel-debug-debuginfo-3.10.0-957.48.1.el7.ppc64le.rpm
kernel-debug-devel-3.10.0-957.48.1.el7.ppc64le.rpm
kernel-debuginfo-3.10.0-957.48.1.el7.ppc64le.rpm
kernel-debuginfo-common-ppc64le-3.10.0-957.48.1.el7.ppc64le.rpm
kernel-tools-debuginfo-3.10.0-957.48.1.el7.ppc64le.rpm
kernel-tools-libs-devel-3.10.0-957.48.1.el7.ppc64le.rpm
perf-debuginfo-3.10.0-957.48.1.el7.ppc64le.rpm
python-perf-debuginfo-3.10.0-957.48.1.el7.ppc64le.rpm

x86_64:
kernel-debug-debuginfo-3.10.0-957.48.1.el7.x86_64.rpm
kernel-debuginfo-3.10.0-957.48.1.el7.x86_64.rpm
kernel-debuginfo-common-x86_64-3.10.0-957.48.1.el7.x86_64.rpm
kernel-tools-debuginfo-3.10.0-957.48.1.el7.x86_64.rpm
kernel-tools-libs-devel-3.10.0-957.48.1.el7.x86_64.rpm
perf-debuginfo-3.10.0-957.48.1.el7.x86_64.rpm
python-perf-debuginfo-3.10.0-957.48.1.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-2019-17666
https://access.redhat.com/security/cve/CVE-2019-19338
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 2020 Red Hat, Inc.
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