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

Synopsis:          Moderate: kernel security and bug fix update
Advisory ID:       RHSA-2020:1372-01
Product:           Red Hat Enterprise Linux
Advisory URL:      https://access.redhat.com/errata/RHSA-2020:1372
Issue date:        2020-04-07
CVE Names:         CVE-2019-15030 CVE-2019-15031 CVE-2019-18660 
                   CVE-2019-19527 
====================================================================
1. Summary:

An update for kernel is now available for Red Hat Enterprise Linux 8.

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 CodeReady Linux Builder (v. 8) - aarch64, ppc64le, x86_64
Red Hat Enterprise Linux BaseOS (v. 8) - aarch64, noarch, ppc64le, s390x, x86_64

3. Description:

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

Security Fix(es):

* kernel: powerpc: local user can read vector registers of other users'
processes via a Facility Unavailable exception (CVE-2019-15030)

* kernel: powerpc: local user can read vector registers of other users'
processes via an interrupt (CVE-2019-15031)

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

* kernel: use-after-free caused by a malicious USB device in the
drivers/hid/usbhid/hiddev.c driver (CVE-2019-19527)

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):

* [FJ8.1 Bug]: fs/devpts: always delete dcache dentry-s in dput()
(BZ#1783959)

* qla2xxx: call dma_free_coherent with correct size in all cases in
qla24xx_sp_unmap (BZ#1788206)

* qla2xxxx: Firmware update for Gen7 adapter could result in an unusable
adapter (BZ#1790350)

* s390/sclp: Fix bit checked for has_sipl (BZ#1791408)

* RHEL8.1 - Error output for CPU-MF auxtrace data in perf: (BZ#1792198)

* [FJ8.0 Bug]: [kernel]: using "kexec -e" to reboot A64FX system causes
system panic during the boot of the 2nd kernel (BZ#1792200)

* Fixup tlbie vs store ordering issue on POWER9 (BZ#1794058)

* RHEL8.1 - qeth: add safeguards to RX data path (BZ#1794059)

* RHEL8.1 - STC940:ZZ:Fleet:RHEL:LPM failed with no rmc connection during
6th iteration (ibmvnic) (BZ#1794060)

* RHEL8.1 - disable trace-imc feature (perf:) (BZ#1794061)

* [Broadcom RHEL8.2 FEAT]: megaraid_sas driver update request (BZ#1795335)

* RHEL8.1 pre-Beta - [ FW940 ] [ zz P9 ] kdump fails when XIVE is enabled
and dump is trigged from HMC. (BZ#1795337)

* T10 DIF: OOM observed while running I/O (BZ#1795338)

* backport fix for potential deadlock relative to snapshot COW throttling
(BZ#1796490)

* Neoverse n1 errata 1542419 "Core may fetch stale instructions from memory
and violate ordering" (BZ#1797518)

* [HPE 8.1 Bug] hpsa: bug fix for reset issue (BZ#1797519)

* [HPE 8.0 BUG] System crash when reading /sys/block//mq/0/cpu_list
file (BZ#1797960)

* kernel: T10 CRC not using hardware-accelerated version from
crct10dif_pclmul (BZ#1797961)

* [FJ8.1 Bug]: Dirty pages remain when write() returns ENOSPC. (BZ#1797962)

* RHEL 8 - NVMe/FC Fabric Broadcom Autoconnect Script Fails to Reconnect
after Controller Reset (BZ#1798381)

* [RHEL8.2]: Chelsio crypto co-processor Driver (chcr) bugfixes
(BZ#1798527)

* [RHEL8.1][Snapshot-1]LUN discovery says unrecognized (BZ#1801216)

* 8.2 snap2 kernel incorrectly signed in brew (BZ#1807231)

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/):

1759313 - CVE-2019-15030 kernel: powerpc: local user can read vector registers of other users' processes via a Facility Unavailable exception
1760063 - CVE-2019-15031 kernel: powerpc: local user can read vector registers of other users' processes via an interrupt
1777825 - CVE-2019-18660 kernel: powerpc: incomplete Spectre-RSB mitigation leads to information exposure
1783498 - CVE-2019-19527 kernel: use-after-free caused by a malicious USB device in the drivers/hid/usbhid/hiddev.c driver

6. Package List:

Red Hat Enterprise Linux BaseOS (v. 8):

Source:
kernel-4.18.0-147.8.1.el8_1.src.rpm

aarch64:
bpftool-4.18.0-147.8.1.el8_1.aarch64.rpm
bpftool-debuginfo-4.18.0-147.8.1.el8_1.aarch64.rpm
kernel-4.18.0-147.8.1.el8_1.aarch64.rpm
kernel-core-4.18.0-147.8.1.el8_1.aarch64.rpm
kernel-cross-headers-4.18.0-147.8.1.el8_1.aarch64.rpm
kernel-debug-4.18.0-147.8.1.el8_1.aarch64.rpm
kernel-debug-core-4.18.0-147.8.1.el8_1.aarch64.rpm
kernel-debug-debuginfo-4.18.0-147.8.1.el8_1.aarch64.rpm
kernel-debug-devel-4.18.0-147.8.1.el8_1.aarch64.rpm
kernel-debug-modules-4.18.0-147.8.1.el8_1.aarch64.rpm
kernel-debug-modules-extra-4.18.0-147.8.1.el8_1.aarch64.rpm
kernel-debuginfo-4.18.0-147.8.1.el8_1.aarch64.rpm
kernel-debuginfo-common-aarch64-4.18.0-147.8.1.el8_1.aarch64.rpm
kernel-devel-4.18.0-147.8.1.el8_1.aarch64.rpm
kernel-headers-4.18.0-147.8.1.el8_1.aarch64.rpm
kernel-modules-4.18.0-147.8.1.el8_1.aarch64.rpm
kernel-modules-extra-4.18.0-147.8.1.el8_1.aarch64.rpm
kernel-tools-4.18.0-147.8.1.el8_1.aarch64.rpm
kernel-tools-debuginfo-4.18.0-147.8.1.el8_1.aarch64.rpm
kernel-tools-libs-4.18.0-147.8.1.el8_1.aarch64.rpm
perf-4.18.0-147.8.1.el8_1.aarch64.rpm
perf-debuginfo-4.18.0-147.8.1.el8_1.aarch64.rpm
python3-perf-4.18.0-147.8.1.el8_1.aarch64.rpm
python3-perf-debuginfo-4.18.0-147.8.1.el8_1.aarch64.rpm

noarch:
kernel-abi-whitelists-4.18.0-147.8.1.el8_1.noarch.rpm
kernel-doc-4.18.0-147.8.1.el8_1.noarch.rpm

ppc64le:
bpftool-4.18.0-147.8.1.el8_1.ppc64le.rpm
bpftool-debuginfo-4.18.0-147.8.1.el8_1.ppc64le.rpm
kernel-4.18.0-147.8.1.el8_1.ppc64le.rpm
kernel-core-4.18.0-147.8.1.el8_1.ppc64le.rpm
kernel-cross-headers-4.18.0-147.8.1.el8_1.ppc64le.rpm
kernel-debug-4.18.0-147.8.1.el8_1.ppc64le.rpm
kernel-debug-core-4.18.0-147.8.1.el8_1.ppc64le.rpm
kernel-debug-debuginfo-4.18.0-147.8.1.el8_1.ppc64le.rpm
kernel-debug-devel-4.18.0-147.8.1.el8_1.ppc64le.rpm
kernel-debug-modules-4.18.0-147.8.1.el8_1.ppc64le.rpm
kernel-debug-modules-extra-4.18.0-147.8.1.el8_1.ppc64le.rpm
kernel-debuginfo-4.18.0-147.8.1.el8_1.ppc64le.rpm
kernel-debuginfo-common-ppc64le-4.18.0-147.8.1.el8_1.ppc64le.rpm
kernel-devel-4.18.0-147.8.1.el8_1.ppc64le.rpm
kernel-headers-4.18.0-147.8.1.el8_1.ppc64le.rpm
kernel-modules-4.18.0-147.8.1.el8_1.ppc64le.rpm
kernel-modules-extra-4.18.0-147.8.1.el8_1.ppc64le.rpm
kernel-tools-4.18.0-147.8.1.el8_1.ppc64le.rpm
kernel-tools-debuginfo-4.18.0-147.8.1.el8_1.ppc64le.rpm
kernel-tools-libs-4.18.0-147.8.1.el8_1.ppc64le.rpm
perf-4.18.0-147.8.1.el8_1.ppc64le.rpm
perf-debuginfo-4.18.0-147.8.1.el8_1.ppc64le.rpm
python3-perf-4.18.0-147.8.1.el8_1.ppc64le.rpm
python3-perf-debuginfo-4.18.0-147.8.1.el8_1.ppc64le.rpm

s390x:
bpftool-4.18.0-147.8.1.el8_1.s390x.rpm
bpftool-debuginfo-4.18.0-147.8.1.el8_1.s390x.rpm
kernel-4.18.0-147.8.1.el8_1.s390x.rpm
kernel-core-4.18.0-147.8.1.el8_1.s390x.rpm
kernel-cross-headers-4.18.0-147.8.1.el8_1.s390x.rpm
kernel-debug-4.18.0-147.8.1.el8_1.s390x.rpm
kernel-debug-core-4.18.0-147.8.1.el8_1.s390x.rpm
kernel-debug-debuginfo-4.18.0-147.8.1.el8_1.s390x.rpm
kernel-debug-devel-4.18.0-147.8.1.el8_1.s390x.rpm
kernel-debug-modules-4.18.0-147.8.1.el8_1.s390x.rpm
kernel-debug-modules-extra-4.18.0-147.8.1.el8_1.s390x.rpm
kernel-debuginfo-4.18.0-147.8.1.el8_1.s390x.rpm
kernel-debuginfo-common-s390x-4.18.0-147.8.1.el8_1.s390x.rpm
kernel-devel-4.18.0-147.8.1.el8_1.s390x.rpm
kernel-headers-4.18.0-147.8.1.el8_1.s390x.rpm
kernel-modules-4.18.0-147.8.1.el8_1.s390x.rpm
kernel-modules-extra-4.18.0-147.8.1.el8_1.s390x.rpm
kernel-tools-4.18.0-147.8.1.el8_1.s390x.rpm
kernel-tools-debuginfo-4.18.0-147.8.1.el8_1.s390x.rpm
kernel-zfcpdump-4.18.0-147.8.1.el8_1.s390x.rpm
kernel-zfcpdump-core-4.18.0-147.8.1.el8_1.s390x.rpm
kernel-zfcpdump-debuginfo-4.18.0-147.8.1.el8_1.s390x.rpm
kernel-zfcpdump-devel-4.18.0-147.8.1.el8_1.s390x.rpm
kernel-zfcpdump-modules-4.18.0-147.8.1.el8_1.s390x.rpm
kernel-zfcpdump-modules-extra-4.18.0-147.8.1.el8_1.s390x.rpm
perf-4.18.0-147.8.1.el8_1.s390x.rpm
perf-debuginfo-4.18.0-147.8.1.el8_1.s390x.rpm
python3-perf-4.18.0-147.8.1.el8_1.s390x.rpm
python3-perf-debuginfo-4.18.0-147.8.1.el8_1.s390x.rpm

x86_64:
bpftool-4.18.0-147.8.1.el8_1.x86_64.rpm
bpftool-debuginfo-4.18.0-147.8.1.el8_1.x86_64.rpm
kernel-4.18.0-147.8.1.el8_1.x86_64.rpm
kernel-core-4.18.0-147.8.1.el8_1.x86_64.rpm
kernel-cross-headers-4.18.0-147.8.1.el8_1.x86_64.rpm
kernel-debug-4.18.0-147.8.1.el8_1.x86_64.rpm
kernel-debug-core-4.18.0-147.8.1.el8_1.x86_64.rpm
kernel-debug-debuginfo-4.18.0-147.8.1.el8_1.x86_64.rpm
kernel-debug-devel-4.18.0-147.8.1.el8_1.x86_64.rpm
kernel-debug-modules-4.18.0-147.8.1.el8_1.x86_64.rpm
kernel-debug-modules-extra-4.18.0-147.8.1.el8_1.x86_64.rpm
kernel-debuginfo-4.18.0-147.8.1.el8_1.x86_64.rpm
kernel-debuginfo-common-x86_64-4.18.0-147.8.1.el8_1.x86_64.rpm
kernel-devel-4.18.0-147.8.1.el8_1.x86_64.rpm
kernel-headers-4.18.0-147.8.1.el8_1.x86_64.rpm
kernel-modules-4.18.0-147.8.1.el8_1.x86_64.rpm
kernel-modules-extra-4.18.0-147.8.1.el8_1.x86_64.rpm
kernel-tools-4.18.0-147.8.1.el8_1.x86_64.rpm
kernel-tools-debuginfo-4.18.0-147.8.1.el8_1.x86_64.rpm
kernel-tools-libs-4.18.0-147.8.1.el8_1.x86_64.rpm
perf-4.18.0-147.8.1.el8_1.x86_64.rpm
perf-debuginfo-4.18.0-147.8.1.el8_1.x86_64.rpm
python3-perf-4.18.0-147.8.1.el8_1.x86_64.rpm
python3-perf-debuginfo-4.18.0-147.8.1.el8_1.x86_64.rpm

Red Hat CodeReady Linux Builder (v. 8):

aarch64:
bpftool-debuginfo-4.18.0-147.8.1.el8_1.aarch64.rpm
kernel-debug-debuginfo-4.18.0-147.8.1.el8_1.aarch64.rpm
kernel-debuginfo-4.18.0-147.8.1.el8_1.aarch64.rpm
kernel-debuginfo-common-aarch64-4.18.0-147.8.1.el8_1.aarch64.rpm
kernel-tools-debuginfo-4.18.0-147.8.1.el8_1.aarch64.rpm
kernel-tools-libs-devel-4.18.0-147.8.1.el8_1.aarch64.rpm
perf-debuginfo-4.18.0-147.8.1.el8_1.aarch64.rpm
python3-perf-debuginfo-4.18.0-147.8.1.el8_1.aarch64.rpm

ppc64le:
bpftool-debuginfo-4.18.0-147.8.1.el8_1.ppc64le.rpm
kernel-debug-debuginfo-4.18.0-147.8.1.el8_1.ppc64le.rpm
kernel-debuginfo-4.18.0-147.8.1.el8_1.ppc64le.rpm
kernel-debuginfo-common-ppc64le-4.18.0-147.8.1.el8_1.ppc64le.rpm
kernel-tools-debuginfo-4.18.0-147.8.1.el8_1.ppc64le.rpm
kernel-tools-libs-devel-4.18.0-147.8.1.el8_1.ppc64le.rpm
perf-debuginfo-4.18.0-147.8.1.el8_1.ppc64le.rpm
python3-perf-debuginfo-4.18.0-147.8.1.el8_1.ppc64le.rpm

x86_64:
bpftool-debuginfo-4.18.0-147.8.1.el8_1.x86_64.rpm
kernel-debug-debuginfo-4.18.0-147.8.1.el8_1.x86_64.rpm
kernel-debuginfo-4.18.0-147.8.1.el8_1.x86_64.rpm
kernel-debuginfo-common-x86_64-4.18.0-147.8.1.el8_1.x86_64.rpm
kernel-tools-debuginfo-4.18.0-147.8.1.el8_1.x86_64.rpm
kernel-tools-libs-devel-4.18.0-147.8.1.el8_1.x86_64.rpm
perf-debuginfo-4.18.0-147.8.1.el8_1.x86_64.rpm
python3-perf-debuginfo-4.18.0-147.8.1.el8_1.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-2019-15030
https://access.redhat.com/security/cve/CVE-2019-15031
https://access.redhat.com/security/cve/CVE-2019-18660
https://access.redhat.com/security/cve/CVE-2019-19527
https://access.redhat.com/security/updates/classification/#moderate

8. Contact:

The Red Hat security contact is . More contact
details at https://access.redhat.com/security/team/contact/

Copyright 2020 Red Hat, Inc.
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