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

Synopsis:          Important: kernel-alt security and bug fix update
Advisory ID:       RHSA-2020:0174-01
Product:           Red Hat Enterprise Linux
Advisory URL:      https://access.redhat.com/errata/RHSA-2020:0174
Issue date:        2020-01-21
CVE Names:         CVE-2018-3693 CVE-2018-18559 CVE-2019-3846 
                   CVE-2019-8912 CVE-2019-10126 CVE-2019-11487 
                   CVE-2019-14814 CVE-2019-14815 CVE-2019-14816 
                   CVE-2019-17133 CVE-2019-18660 
=====================================================================

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: speculative bounds check bypass store (CVE-2018-3693)

* kernel: Use-after-free due to race condition in AF_PACKET implementation
(CVE-2018-18559)

* kernel: Heap overflow in mwifiex_update_bss_desc_with_ie function in
marvell/mwifiex/scan.c (CVE-2019-3846)

* kernel: af_alg_release() in crypto/af_alg.c neglects to set a NULL value
for a certain structure member, which leads to a use-after-free in
sockfs_setattr (CVE-2019-8912)

* kernel: Heap overflow in mwifiex_uap_parse_tail_ies function in
drivers/net/wireless/marvell/mwifiex/ie.c (CVE-2019-10126)

* kernel: Count overflow in FUSE request leading to use-after-free issues.
(CVE-2019-11487)

* kernel: heap overflow in mwifiex_update_vs_ie() function of Marvell WiFi
driver (CVE-2019-14816)

* kernel: buffer overflow in cfg80211_mgd_wext_giwessid in
net/wireless/wext-sme.c (CVE-2019-17133)

* kernel: heap overflow in mwifiex_set_uap_rates() function of Marvell Wifi
Driver leading to DoS (CVE-2019-14814)

* kernel: heap-overflow in mwifiex_set_wmm_params() function of Marvell
WiFi driver leading to DoS (CVE-2019-14815)

* 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):

* Kernel panic on job cleanup, related to SyS_getdents64 (BZ#1702057)

* Kernel modules generated incorrectly when system is localized to
non-English language (BZ#1705285)

* RHEL-Alt-7.6 - Fixup tlbie vs store ordering issue on POWER9 (BZ#1756270)

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/):

1581650 - CVE-2018-3693 Kernel: speculative bounds check bypass store
1641878 - CVE-2018-18559 kernel: Use-after-free due to race condition in
 AF_PACKET implementation
1678685 - CVE-2019-8912 kernel: af_alg_release() in crypto/af_alg.c neglects to
 set a NULL value for a certain structure member, which leads to a use-after-free in sockfs_setattr
1703063 - CVE-2019-11487 kernel: Count overflow in FUSE request leading to
 use-after-free issues.
1713059 - CVE-2019-3846 kernel: Heap overflow in
 mwifiex_update_bss_desc_with_ie function in marvell/mwifiex/scan.c
1716992 - CVE-2019-10126 kernel: Heap overflow in mwifiex_uap_parse_tail_ies
 function in drivers/net/wireless/marvell/mwifiex/ie.c
1744130 - CVE-2019-14814 kernel: heap overflow in mwifiex_set_uap_rates()
 function of Marvell Wifi Driver leading to DoS
1744137 - CVE-2019-14815 kernel: heap-overflow in mwifiex_set_wmm_params()
 function of Marvell WiFi driver leading to DoS
1744149 - CVE-2019-14816 kernel: heap overflow in mwifiex_update_vs_ie()
 function of Marvell WiFi driver
1771909 - CVE-2019-17133 kernel: buffer overflow in cfg80211_mgd_wext_giwessid
 in net/wireless/wext-sme.c
1777825 - CVE-2019-18660 kernel: (powerpc) incomplete Spectre-RSB mitigation
 leads to information exposure

6. Package List:

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

Source:
kernel-alt-4.14.0-115.17.1.el7a.src.rpm

aarch64:
kernel-4.14.0-115.17.1.el7a.aarch64.rpm
kernel-debug-4.14.0-115.17.1.el7a.aarch64.rpm
kernel-debug-debuginfo-4.14.0-115.17.1.el7a.aarch64.rpm
kernel-debug-devel-4.14.0-115.17.1.el7a.aarch64.rpm
kernel-debuginfo-4.14.0-115.17.1.el7a.aarch64.rpm
kernel-debuginfo-common-aarch64-4.14.0-115.17.1.el7a.aarch64.rpm
kernel-devel-4.14.0-115.17.1.el7a.aarch64.rpm
kernel-headers-4.14.0-115.17.1.el7a.aarch64.rpm
kernel-tools-4.14.0-115.17.1.el7a.aarch64.rpm
kernel-tools-debuginfo-4.14.0-115.17.1.el7a.aarch64.rpm
kernel-tools-libs-4.14.0-115.17.1.el7a.aarch64.rpm
perf-4.14.0-115.17.1.el7a.aarch64.rpm
perf-debuginfo-4.14.0-115.17.1.el7a.aarch64.rpm
python-perf-4.14.0-115.17.1.el7a.aarch64.rpm
python-perf-debuginfo-4.14.0-115.17.1.el7a.aarch64.rpm

noarch:
kernel-abi-whitelists-4.14.0-115.17.1.el7a.noarch.rpm
kernel-doc-4.14.0-115.17.1.el7a.noarch.rpm

ppc64le:
kernel-4.14.0-115.17.1.el7a.ppc64le.rpm
kernel-bootwrapper-4.14.0-115.17.1.el7a.ppc64le.rpm
kernel-debug-4.14.0-115.17.1.el7a.ppc64le.rpm
kernel-debug-debuginfo-4.14.0-115.17.1.el7a.ppc64le.rpm
kernel-debuginfo-4.14.0-115.17.1.el7a.ppc64le.rpm
kernel-debuginfo-common-ppc64le-4.14.0-115.17.1.el7a.ppc64le.rpm
kernel-devel-4.14.0-115.17.1.el7a.ppc64le.rpm
kernel-headers-4.14.0-115.17.1.el7a.ppc64le.rpm
kernel-tools-4.14.0-115.17.1.el7a.ppc64le.rpm
kernel-tools-debuginfo-4.14.0-115.17.1.el7a.ppc64le.rpm
kernel-tools-libs-4.14.0-115.17.1.el7a.ppc64le.rpm
perf-4.14.0-115.17.1.el7a.ppc64le.rpm
perf-debuginfo-4.14.0-115.17.1.el7a.ppc64le.rpm
python-perf-4.14.0-115.17.1.el7a.ppc64le.rpm
python-perf-debuginfo-4.14.0-115.17.1.el7a.ppc64le.rpm

s390x:
kernel-4.14.0-115.17.1.el7a.s390x.rpm
kernel-debug-4.14.0-115.17.1.el7a.s390x.rpm
kernel-debug-debuginfo-4.14.0-115.17.1.el7a.s390x.rpm
kernel-debug-devel-4.14.0-115.17.1.el7a.s390x.rpm
kernel-debuginfo-4.14.0-115.17.1.el7a.s390x.rpm
kernel-debuginfo-common-s390x-4.14.0-115.17.1.el7a.s390x.rpm
kernel-devel-4.14.0-115.17.1.el7a.s390x.rpm
kernel-headers-4.14.0-115.17.1.el7a.s390x.rpm
kernel-kdump-4.14.0-115.17.1.el7a.s390x.rpm
kernel-kdump-debuginfo-4.14.0-115.17.1.el7a.s390x.rpm
kernel-kdump-devel-4.14.0-115.17.1.el7a.s390x.rpm
perf-4.14.0-115.17.1.el7a.s390x.rpm
perf-debuginfo-4.14.0-115.17.1.el7a.s390x.rpm
python-perf-4.14.0-115.17.1.el7a.s390x.rpm
python-perf-debuginfo-4.14.0-115.17.1.el7a.s390x.rpm

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

aarch64:
kernel-debug-debuginfo-4.14.0-115.17.1.el7a.aarch64.rpm
kernel-debuginfo-4.14.0-115.17.1.el7a.aarch64.rpm
kernel-debuginfo-common-aarch64-4.14.0-115.17.1.el7a.aarch64.rpm
kernel-tools-debuginfo-4.14.0-115.17.1.el7a.aarch64.rpm
kernel-tools-libs-devel-4.14.0-115.17.1.el7a.aarch64.rpm
perf-debuginfo-4.14.0-115.17.1.el7a.aarch64.rpm
python-perf-debuginfo-4.14.0-115.17.1.el7a.aarch64.rpm

noarch:
kernel-doc-4.14.0-115.17.1.el7a.noarch.rpm

ppc64le:
kernel-debug-debuginfo-4.14.0-115.17.1.el7a.ppc64le.rpm
kernel-debug-devel-4.14.0-115.17.1.el7a.ppc64le.rpm
kernel-debuginfo-4.14.0-115.17.1.el7a.ppc64le.rpm
kernel-debuginfo-common-ppc64le-4.14.0-115.17.1.el7a.ppc64le.rpm
kernel-tools-debuginfo-4.14.0-115.17.1.el7a.ppc64le.rpm
kernel-tools-libs-devel-4.14.0-115.17.1.el7a.ppc64le.rpm
perf-debuginfo-4.14.0-115.17.1.el7a.ppc64le.rpm
python-perf-debuginfo-4.14.0-115.17.1.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-2018-3693
https://access.redhat.com/security/cve/CVE-2018-18559
https://access.redhat.com/security/cve/CVE-2019-3846
https://access.redhat.com/security/cve/CVE-2019-8912
https://access.redhat.com/security/cve/CVE-2019-10126
https://access.redhat.com/security/cve/CVE-2019-11487
https://access.redhat.com/security/cve/CVE-2019-14814
https://access.redhat.com/security/cve/CVE-2019-14815
https://access.redhat.com/security/cve/CVE-2019-14816
https://access.redhat.com/security/cve/CVE-2019-17133
https://access.redhat.com/security/cve/CVE-2019-18660
https://access.redhat.com/security/updates/classification/#important
https://access.redhat.com/solutions/3523601

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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