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Red Hat Security Advisory

Synopsis: Moderate: kernel security and bug fix update
Advisory ID: RHSA-2020:1984-01
Product: Red Hat Enterprise Linux
Advisory URL: https://access.redhat.com/errata/RHSA-2020:1984
Issue date: 2020-04-30
CVE Names: CVE-2019-18660
=====================================================================

1. Summary:

An update for kernel is now available for Red Hat Enterprise Linux 7.7
Extended Update Support.

Red Hat Product Security has rated this update as having a security impact
of Moderate. 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. 7.7) – noarch, x86_64
Red Hat Enterprise Linux ComputeNode Optional EUS (v. 7.7) – x86_64
Red Hat Enterprise Linux Server EUS (v. 7.7) – noarch, ppc64, ppc64le, s390x, x86_64
Red Hat Enterprise Linux Server Optional EUS (v. 7.7) – ppc64, ppc64le, x86_64

3. Description:

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

Security Fix(es):

* kernel: powerpc: incomplete Spectre-RSB mitigation leads to information
exposure (CVE-2019-18660)

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):

* [Stratus 7.6 Bug] Deadlock on hcd->bandwidth_mutex when usb controller
fails during initialization (BZ#1764528)

* RHEL7.7 Snapshot5 – retry when cpu offline races with migration
(BZ#1766094)

* Slow console output with ast (Aspeed) graphics driver (BZ#1780147)

* RHEL7.7 – qeth: add safeguards to RX data path (BZ#1792248)

* ‘soft lockup’ events during unmount of container file system due to
bloated dentry cache / memory cgroup slab cache reclaim not available in
RHEL7 (BZ#1796358)

* [GSS] Can’t access the mount point due to possible blocking of i/o on rbd
(BZ#1796435)

* [xfstests]: copy_file_range cause corruption on rhel-7 (BZ#1797967)

* kernel: UAF in cdev_put() when a PTP device is removed while its chardev
is open (BZ#1798395)

* [HPE 7.8 Bug] RHEL7.8 kernel may ignore NMI from ilo (BZ#1798397)

* [HPEMC RHEL 7.7 RHEL 7.8 REGRESSION] kernel not populating numa_nod in
/sys/devices… for PMEM (BZ#1801697)

* Unable to exclude files from auditing (BZ#1806429)

* DNAT’d packet is not unmangled upon reply on openshift node (BZ#1806446)

* port show-kabi to python3 (BZ#1806929)

* top shows super high loads when tuned profile realtime-virtual-host is
applied (BZ#1808029)

* Backport CIFS stale ESTALE handling and dentry revalidation patches
(BZ#1811053)

* Observed a memory leak while using dm-multipath (BZ#1812936)

* dm-multipath high load backport incorrect (BZ#1814536)

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/):

1777825 – CVE-2019-18660 kernel: powerpc: incomplete Spectre-RSB mitigation leads to information exposure

6. Package List:

Red Hat Enterprise Linux ComputeNode EUS (v. 7.7):

Source:
kernel-3.10.0-1062.21.1.el7.src.rpm

noarch:
kernel-abi-whitelists-3.10.0-1062.21.1.el7.noarch.rpm
kernel-doc-3.10.0-1062.21.1.el7.noarch.rpm

x86_64:
bpftool-3.10.0-1062.21.1.el7.x86_64.rpm
bpftool-debuginfo-3.10.0-1062.21.1.el7.x86_64.rpm
kernel-3.10.0-1062.21.1.el7.x86_64.rpm
kernel-debug-3.10.0-1062.21.1.el7.x86_64.rpm
kernel-debug-debuginfo-3.10.0-1062.21.1.el7.x86_64.rpm
kernel-debug-devel-3.10.0-1062.21.1.el7.x86_64.rpm
kernel-debuginfo-3.10.0-1062.21.1.el7.x86_64.rpm
kernel-debuginfo-common-x86_64-3.10.0-1062.21.1.el7.x86_64.rpm
kernel-devel-3.10.0-1062.21.1.el7.x86_64.rpm
kernel-headers-3.10.0-1062.21.1.el7.x86_64.rpm
kernel-tools-3.10.0-1062.21.1.el7.x86_64.rpm
kernel-tools-debuginfo-3.10.0-1062.21.1.el7.x86_64.rpm
kernel-tools-libs-3.10.0-1062.21.1.el7.x86_64.rpm
perf-3.10.0-1062.21.1.el7.x86_64.rpm
perf-debuginfo-3.10.0-1062.21.1.el7.x86_64.rpm
python-perf-3.10.0-1062.21.1.el7.x86_64.rpm
python-perf-debuginfo-3.10.0-1062.21.1.el7.x86_64.rpm

Red Hat Enterprise Linux ComputeNode Optional EUS (v. 7.7):

x86_64:
bpftool-debuginfo-3.10.0-1062.21.1.el7.x86_64.rpm
kernel-debug-debuginfo-3.10.0-1062.21.1.el7.x86_64.rpm
kernel-debuginfo-3.10.0-1062.21.1.el7.x86_64.rpm
kernel-debuginfo-common-x86_64-3.10.0-1062.21.1.el7.x86_64.rpm
kernel-tools-debuginfo-3.10.0-1062.21.1.el7.x86_64.rpm
kernel-tools-libs-devel-3.10.0-1062.21.1.el7.x86_64.rpm
perf-debuginfo-3.10.0-1062.21.1.el7.x86_64.rpm
python-perf-debuginfo-3.10.0-1062.21.1.el7.x86_64.rpm

Red Hat Enterprise Linux Server EUS (v. 7.7):

Source:
kernel-3.10.0-1062.21.1.el7.src.rpm

noarch:
kernel-abi-whitelists-3.10.0-1062.21.1.el7.noarch.rpm
kernel-doc-3.10.0-1062.21.1.el7.noarch.rpm

ppc64:
bpftool-3.10.0-1062.21.1.el7.ppc64.rpm
bpftool-debuginfo-3.10.0-1062.21.1.el7.ppc64.rpm
kernel-3.10.0-1062.21.1.el7.ppc64.rpm
kernel-bootwrapper-3.10.0-1062.21.1.el7.ppc64.rpm
kernel-debug-3.10.0-1062.21.1.el7.ppc64.rpm
kernel-debug-debuginfo-3.10.0-1062.21.1.el7.ppc64.rpm
kernel-debug-devel-3.10.0-1062.21.1.el7.ppc64.rpm
kernel-debuginfo-3.10.0-1062.21.1.el7.ppc64.rpm
kernel-debuginfo-common-ppc64-3.10.0-1062.21.1.el7.ppc64.rpm
kernel-devel-3.10.0-1062.21.1.el7.ppc64.rpm
kernel-headers-3.10.0-1062.21.1.el7.ppc64.rpm
kernel-tools-3.10.0-1062.21.1.el7.ppc64.rpm
kernel-tools-debuginfo-3.10.0-1062.21.1.el7.ppc64.rpm
kernel-tools-libs-3.10.0-1062.21.1.el7.ppc64.rpm
perf-3.10.0-1062.21.1.el7.ppc64.rpm
perf-debuginfo-3.10.0-1062.21.1.el7.ppc64.rpm
python-perf-3.10.0-1062.21.1.el7.ppc64.rpm
python-perf-debuginfo-3.10.0-1062.21.1.el7.ppc64.rpm

ppc64le:
bpftool-3.10.0-1062.21.1.el7.ppc64le.rpm
bpftool-debuginfo-3.10.0-1062.21.1.el7.ppc64le.rpm
kernel-3.10.0-1062.21.1.el7.ppc64le.rpm
kernel-bootwrapper-3.10.0-1062.21.1.el7.ppc64le.rpm
kernel-debug-3.10.0-1062.21.1.el7.ppc64le.rpm
kernel-debug-debuginfo-3.10.0-1062.21.1.el7.ppc64le.rpm
kernel-debuginfo-3.10.0-1062.21.1.el7.ppc64le.rpm
kernel-debuginfo-common-ppc64le-3.10.0-1062.21.1.el7.ppc64le.rpm
kernel-devel-3.10.0-1062.21.1.el7.ppc64le.rpm
kernel-headers-3.10.0-1062.21.1.el7.ppc64le.rpm
kernel-tools-3.10.0-1062.21.1.el7.ppc64le.rpm
kernel-tools-debuginfo-3.10.0-1062.21.1.el7.ppc64le.rpm
kernel-tools-libs-3.10.0-1062.21.1.el7.ppc64le.rpm
perf-3.10.0-1062.21.1.el7.ppc64le.rpm
perf-debuginfo-3.10.0-1062.21.1.el7.ppc64le.rpm
python-perf-3.10.0-1062.21.1.el7.ppc64le.rpm
python-perf-debuginfo-3.10.0-1062.21.1.el7.ppc64le.rpm

s390x:
bpftool-3.10.0-1062.21.1.el7.s390x.rpm
bpftool-debuginfo-3.10.0-1062.21.1.el7.s390x.rpm
kernel-3.10.0-1062.21.1.el7.s390x.rpm
kernel-debug-3.10.0-1062.21.1.el7.s390x.rpm
kernel-debug-debuginfo-3.10.0-1062.21.1.el7.s390x.rpm
kernel-debug-devel-3.10.0-1062.21.1.el7.s390x.rpm
kernel-debuginfo-3.10.0-1062.21.1.el7.s390x.rpm
kernel-debuginfo-common-s390x-3.10.0-1062.21.1.el7.s390x.rpm
kernel-devel-3.10.0-1062.21.1.el7.s390x.rpm
kernel-headers-3.10.0-1062.21.1.el7.s390x.rpm
kernel-kdump-3.10.0-1062.21.1.el7.s390x.rpm
kernel-kdump-debuginfo-3.10.0-1062.21.1.el7.s390x.rpm
kernel-kdump-devel-3.10.0-1062.21.1.el7.s390x.rpm
perf-3.10.0-1062.21.1.el7.s390x.rpm
perf-debuginfo-3.10.0-1062.21.1.el7.s390x.rpm
python-perf-3.10.0-1062.21.1.el7.s390x.rpm
python-perf-debuginfo-3.10.0-1062.21.1.el7.s390x.rpm

x86_64:
bpftool-3.10.0-1062.21.1.el7.x86_64.rpm
bpftool-debuginfo-3.10.0-1062.21.1.el7.x86_64.rpm
kernel-3.10.0-1062.21.1.el7.x86_64.rpm
kernel-debug-3.10.0-1062.21.1.el7.x86_64.rpm
kernel-debug-debuginfo-3.10.0-1062.21.1.el7.x86_64.rpm
kernel-debug-devel-3.10.0-1062.21.1.el7.x86_64.rpm
kernel-debuginfo-3.10.0-1062.21.1.el7.x86_64.rpm
kernel-debuginfo-common-x86_64-3.10.0-1062.21.1.el7.x86_64.rpm
kernel-devel-3.10.0-1062.21.1.el7.x86_64.rpm
kernel-headers-3.10.0-1062.21.1.el7.x86_64.rpm
kernel-tools-3.10.0-1062.21.1.el7.x86_64.rpm
kernel-tools-debuginfo-3.10.0-1062.21.1.el7.x86_64.rpm
kernel-tools-libs-3.10.0-1062.21.1.el7.x86_64.rpm
perf-3.10.0-1062.21.1.el7.x86_64.rpm
perf-debuginfo-3.10.0-1062.21.1.el7.x86_64.rpm
python-perf-3.10.0-1062.21.1.el7.x86_64.rpm
python-perf-debuginfo-3.10.0-1062.21.1.el7.x86_64.rpm

Red Hat Enterprise Linux Server Optional EUS (v. 7.7):

ppc64:
bpftool-debuginfo-3.10.0-1062.21.1.el7.ppc64.rpm
kernel-debug-debuginfo-3.10.0-1062.21.1.el7.ppc64.rpm
kernel-debuginfo-3.10.0-1062.21.1.el7.ppc64.rpm
kernel-debuginfo-common-ppc64-3.10.0-1062.21.1.el7.ppc64.rpm
kernel-tools-debuginfo-3.10.0-1062.21.1.el7.ppc64.rpm
kernel-tools-libs-devel-3.10.0-1062.21.1.el7.ppc64.rpm
perf-debuginfo-3.10.0-1062.21.1.el7.ppc64.rpm
python-perf-debuginfo-3.10.0-1062.21.1.el7.ppc64.rpm

ppc64le:
bpftool-debuginfo-3.10.0-1062.21.1.el7.ppc64le.rpm
kernel-debug-debuginfo-3.10.0-1062.21.1.el7.ppc64le.rpm
kernel-debug-devel-3.10.0-1062.21.1.el7.ppc64le.rpm
kernel-debuginfo-3.10.0-1062.21.1.el7.ppc64le.rpm
kernel-debuginfo-common-ppc64le-3.10.0-1062.21.1.el7.ppc64le.rpm
kernel-tools-debuginfo-3.10.0-1062.21.1.el7.ppc64le.rpm
kernel-tools-libs-devel-3.10.0-1062.21.1.el7.ppc64le.rpm
perf-debuginfo-3.10.0-1062.21.1.el7.ppc64le.rpm
python-perf-debuginfo-3.10.0-1062.21.1.el7.ppc64le.rpm

x86_64:
bpftool-debuginfo-3.10.0-1062.21.1.el7.x86_64.rpm
kernel-debug-debuginfo-3.10.0-1062.21.1.el7.x86_64.rpm
kernel-debuginfo-3.10.0-1062.21.1.el7.x86_64.rpm
kernel-debuginfo-common-x86_64-3.10.0-1062.21.1.el7.x86_64.rpm
kernel-tools-debuginfo-3.10.0-1062.21.1.el7.x86_64.rpm
kernel-tools-libs-devel-3.10.0-1062.21.1.el7.x86_64.rpm
perf-debuginfo-3.10.0-1062.21.1.el7.x86_64.rpm
python-perf-debuginfo-3.10.0-1062.21.1.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-2019-18660
https://access.redhat.com/security/updates/classification/#moderate

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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