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

Synopsis:          Important: kernel-alt security and bug fix update
Advisory ID:       RHSA-2019:3217-01
Product:           Red Hat Enterprise Linux
Advisory URL:      https://access.redhat.com/errata/RHSA-2019:3217
Issue date:        2019-10-29
CVE Names:         CVE-2018-10902 CVE-2018-20856 CVE-2019-9500 
                   CVE-2019-9506 CVE-2019-11810 
=====================================================================

1. Summary:

An update for kernel-alt is now available for Red Hat Enterprise Linux 7.

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 for ARM and IBM Power LE (POWER9) Server (v. 7) - aarch64, noarch, ppc64le, s390x
Red Hat Enterprise Linux for ARM and IBM Power LE (POWER9) Server Optional (v. 7) - aarch64, noarch, ppc64le

3. Description:

The kernel-alt packages provide the Linux kernel version 4.x.

Security Fix(es):

* kernel: MIDI driver race condition leads to a double-free
(CVE-2018-10902)

* kernel: Use-after-free in __blk_drain_queue() function in
block/blk-core.c (CVE-2018-20856)

* kernel: brcmfmac heap buffer overflow in brcmf_wowl_nd_results
(CVE-2019-9500)

* hardware: bluetooth: BR/EDR encryption key negotiation attacks (KNOB)
(CVE-2019-9506)

* 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):

* kernel modules pkey and paes_s390 are not available (BZ#1719192)

* pkey: Indicate old mkvp only if old and curr. mkvp are different
(BZ#1720621)

* System dropped into Mon running softboots Exception: 501 (Hardware
Interrupt) at c00000000000a814 replay_interrupt_return+0x0/0x4 (ipmi)
(BZ#1737563)

* kernel: jump label transformation performance (BZ#1739143)

* Backport i40e MDD detection removal for PFs (BZ#1747618)

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/):

1590720 - CVE-2018-10902 kernel: MIDI driver race condition leads to a double-free
1701224 - CVE-2019-9500 kernel: brcmfmac heap buffer overflow in brcmf_wowl_nd_results
1709164 - CVE-2019-11810 kernel: a NULL pointer dereference in drivers/scsi/megaraid/megaraid_sas_base.c leading to DoS
1727857 - CVE-2019-9506 hardware: bluetooth: BR/EDR encryption key negotiation attacks (KNOB)
1738705 - CVE-2018-20856 kernel: Use-after-free in __blk_drain_queue() function in block/blk-core.c

6. Package List:

Red Hat Enterprise Linux for ARM and IBM Power LE (POWER9) Server (v. 7):

Source:
kernel-alt-4.14.0-115.14.1.el7a.src.rpm

aarch64:
kernel-4.14.0-115.14.1.el7a.aarch64.rpm
kernel-debug-4.14.0-115.14.1.el7a.aarch64.rpm
kernel-debug-debuginfo-4.14.0-115.14.1.el7a.aarch64.rpm
kernel-debug-devel-4.14.0-115.14.1.el7a.aarch64.rpm
kernel-debuginfo-4.14.0-115.14.1.el7a.aarch64.rpm
kernel-debuginfo-common-aarch64-4.14.0-115.14.1.el7a.aarch64.rpm
kernel-devel-4.14.0-115.14.1.el7a.aarch64.rpm
kernel-headers-4.14.0-115.14.1.el7a.aarch64.rpm
kernel-tools-4.14.0-115.14.1.el7a.aarch64.rpm
kernel-tools-debuginfo-4.14.0-115.14.1.el7a.aarch64.rpm
kernel-tools-libs-4.14.0-115.14.1.el7a.aarch64.rpm
perf-4.14.0-115.14.1.el7a.aarch64.rpm
perf-debuginfo-4.14.0-115.14.1.el7a.aarch64.rpm
python-perf-4.14.0-115.14.1.el7a.aarch64.rpm
python-perf-debuginfo-4.14.0-115.14.1.el7a.aarch64.rpm

noarch:
kernel-abi-whitelists-4.14.0-115.14.1.el7a.noarch.rpm
kernel-doc-4.14.0-115.14.1.el7a.noarch.rpm

ppc64le:
kernel-4.14.0-115.14.1.el7a.ppc64le.rpm
kernel-bootwrapper-4.14.0-115.14.1.el7a.ppc64le.rpm
kernel-debug-4.14.0-115.14.1.el7a.ppc64le.rpm
kernel-debug-debuginfo-4.14.0-115.14.1.el7a.ppc64le.rpm
kernel-debuginfo-4.14.0-115.14.1.el7a.ppc64le.rpm
kernel-debuginfo-common-ppc64le-4.14.0-115.14.1.el7a.ppc64le.rpm
kernel-devel-4.14.0-115.14.1.el7a.ppc64le.rpm
kernel-headers-4.14.0-115.14.1.el7a.ppc64le.rpm
kernel-tools-4.14.0-115.14.1.el7a.ppc64le.rpm
kernel-tools-debuginfo-4.14.0-115.14.1.el7a.ppc64le.rpm
kernel-tools-libs-4.14.0-115.14.1.el7a.ppc64le.rpm
perf-4.14.0-115.14.1.el7a.ppc64le.rpm
perf-debuginfo-4.14.0-115.14.1.el7a.ppc64le.rpm
python-perf-4.14.0-115.14.1.el7a.ppc64le.rpm
python-perf-debuginfo-4.14.0-115.14.1.el7a.ppc64le.rpm

s390x:
kernel-4.14.0-115.14.1.el7a.s390x.rpm
kernel-debug-4.14.0-115.14.1.el7a.s390x.rpm
kernel-debug-debuginfo-4.14.0-115.14.1.el7a.s390x.rpm
kernel-debug-devel-4.14.0-115.14.1.el7a.s390x.rpm
kernel-debuginfo-4.14.0-115.14.1.el7a.s390x.rpm
kernel-debuginfo-common-s390x-4.14.0-115.14.1.el7a.s390x.rpm
kernel-devel-4.14.0-115.14.1.el7a.s390x.rpm
kernel-headers-4.14.0-115.14.1.el7a.s390x.rpm
kernel-kdump-4.14.0-115.14.1.el7a.s390x.rpm
kernel-kdump-debuginfo-4.14.0-115.14.1.el7a.s390x.rpm
kernel-kdump-devel-4.14.0-115.14.1.el7a.s390x.rpm
perf-4.14.0-115.14.1.el7a.s390x.rpm
perf-debuginfo-4.14.0-115.14.1.el7a.s390x.rpm
python-perf-4.14.0-115.14.1.el7a.s390x.rpm
python-perf-debuginfo-4.14.0-115.14.1.el7a.s390x.rpm

Red Hat Enterprise Linux for ARM and IBM Power LE (POWER9) Server Optional (v. 7):

aarch64:
kernel-debug-debuginfo-4.14.0-115.14.1.el7a.aarch64.rpm
kernel-debuginfo-4.14.0-115.14.1.el7a.aarch64.rpm
kernel-debuginfo-common-aarch64-4.14.0-115.14.1.el7a.aarch64.rpm
kernel-tools-debuginfo-4.14.0-115.14.1.el7a.aarch64.rpm
kernel-tools-libs-devel-4.14.0-115.14.1.el7a.aarch64.rpm
perf-debuginfo-4.14.0-115.14.1.el7a.aarch64.rpm
python-perf-debuginfo-4.14.0-115.14.1.el7a.aarch64.rpm

noarch:
kernel-doc-4.14.0-115.14.1.el7a.noarch.rpm

ppc64le:
kernel-debug-debuginfo-4.14.0-115.14.1.el7a.ppc64le.rpm
kernel-debug-devel-4.14.0-115.14.1.el7a.ppc64le.rpm
kernel-debuginfo-4.14.0-115.14.1.el7a.ppc64le.rpm
kernel-debuginfo-common-ppc64le-4.14.0-115.14.1.el7a.ppc64le.rpm
kernel-tools-debuginfo-4.14.0-115.14.1.el7a.ppc64le.rpm
kernel-tools-libs-devel-4.14.0-115.14.1.el7a.ppc64le.rpm
perf-debuginfo-4.14.0-115.14.1.el7a.ppc64le.rpm
python-perf-debuginfo-4.14.0-115.14.1.el7a.ppc64le.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-2018-10902
https://access.redhat.com/security/cve/CVE-2018-20856
https://access.redhat.com/security/cve/CVE-2019-9500
https://access.redhat.com/security/cve/CVE-2019-9506
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.
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