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Red Hat Security Advisory 2020-0592-01

Red Hat Security Advisory 2020-0592-01
Posted Feb 25, 2020
Authored by Red Hat | Site access.redhat.com

Red Hat Security Advisory 2020-0592-01 - The kernel packages contain the Linux kernel, the core of any Linux operating system. Issues addressed include buffer overflow and use-after-free vulnerabilities.

tags | advisory, overflow, kernel, vulnerability
systems | linux, redhat
advisories | CVE-2018-20976, CVE-2019-11085, CVE-2019-14895, CVE-2019-17133
MD5 | 41062dc0a72a79f27648eeff44f918eb

Red Hat Security Advisory 2020-0592-01

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

Synopsis: Important: kernel security, bug fix, and enhancement update
Advisory ID: RHSA-2020:0592-01
Product: Red Hat Enterprise Linux
Advisory URL: https://access.redhat.com/errata/RHSA-2020:0592
Issue date: 2020-02-25
CVE Names: CVE-2018-20976 CVE-2019-11085 CVE-2019-14895
CVE-2019-17133
====================================================================
1. Summary:

An update for kernel is now available for Red Hat Enterprise Linux 7.4
Advanced Update Support, Red Hat Enterprise Linux 7.4 Telco Extended Update
Support, and Red Hat Enterprise Linux 7.4 Update Services for SAP
Solutions.

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 Server AUS (v. 7.4) - noarch, x86_64
Red Hat Enterprise Linux Server E4S (v. 7.4) - noarch, ppc64le, x86_64
Red Hat Enterprise Linux Server Optional AUS (v. 7.4) - x86_64
Red Hat Enterprise Linux Server Optional E4S (v. 7.4) - ppc64le, x86_64
Red Hat Enterprise Linux Server Optional TUS (v. 7.4) - x86_64
Red Hat Enterprise Linux Server TUS (v. 7.4) - noarch, x86_64

3. Description:

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

Security Fix(es):

* kernel: use-after-free in fs/xfs/xfs_super.c (CVE-2018-20976)

* kernel: insufficient input validation in kernel mode driver in Intel i915
graphics leads to privilege escalation (CVE-2019-11085)

* kernel: heap-based buffer overflow in mwifiex_process_country_ie()
function in drivers/net/wireless/marvell/mwifiex/sta_ioctl.c
(CVE-2019-14895)

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

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):

* core: backports from upstream (BZ#1794372)

Enhancement(s):

* Selective backport: perf: Sync with upstream v4.16 (BZ#1782750)

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/):

1710405 - CVE-2019-11085 kernel: insufficient input validation in kernel mode driver in Intel i915 graphics leads to privilege escalation
1743547 - CVE-2018-20976 kernel: use-after-free in fs/xfs/xfs_super.c
1771909 - CVE-2019-17133 kernel: buffer overflow in cfg80211_mgd_wext_giwessid in net/wireless/wext-sme.c
1774870 - CVE-2019-14895 kernel: heap-based buffer overflow in mwifiex_process_country_ie() function in drivers/net/wireless/marvell/mwifiex/sta_ioctl.c

6. Package List:

Red Hat Enterprise Linux Server AUS (v. 7.4):

Source:
kernel-3.10.0-693.64.1.el7.src.rpm

noarch:
kernel-abi-whitelists-3.10.0-693.64.1.el7.noarch.rpm
kernel-doc-3.10.0-693.64.1.el7.noarch.rpm

x86_64:
kernel-3.10.0-693.64.1.el7.x86_64.rpm
kernel-debug-3.10.0-693.64.1.el7.x86_64.rpm
kernel-debug-debuginfo-3.10.0-693.64.1.el7.x86_64.rpm
kernel-debug-devel-3.10.0-693.64.1.el7.x86_64.rpm
kernel-debuginfo-3.10.0-693.64.1.el7.x86_64.rpm
kernel-debuginfo-common-x86_64-3.10.0-693.64.1.el7.x86_64.rpm
kernel-devel-3.10.0-693.64.1.el7.x86_64.rpm
kernel-headers-3.10.0-693.64.1.el7.x86_64.rpm
kernel-tools-3.10.0-693.64.1.el7.x86_64.rpm
kernel-tools-debuginfo-3.10.0-693.64.1.el7.x86_64.rpm
kernel-tools-libs-3.10.0-693.64.1.el7.x86_64.rpm
perf-3.10.0-693.64.1.el7.x86_64.rpm
perf-debuginfo-3.10.0-693.64.1.el7.x86_64.rpm
python-perf-3.10.0-693.64.1.el7.x86_64.rpm
python-perf-debuginfo-3.10.0-693.64.1.el7.x86_64.rpm

Red Hat Enterprise Linux Server E4S (v. 7.4):

Source:
kernel-3.10.0-693.64.1.el7.src.rpm

noarch:
kernel-abi-whitelists-3.10.0-693.64.1.el7.noarch.rpm
kernel-doc-3.10.0-693.64.1.el7.noarch.rpm

ppc64le:
kernel-3.10.0-693.64.1.el7.ppc64le.rpm
kernel-bootwrapper-3.10.0-693.64.1.el7.ppc64le.rpm
kernel-debug-3.10.0-693.64.1.el7.ppc64le.rpm
kernel-debug-debuginfo-3.10.0-693.64.1.el7.ppc64le.rpm
kernel-debuginfo-3.10.0-693.64.1.el7.ppc64le.rpm
kernel-debuginfo-common-ppc64le-3.10.0-693.64.1.el7.ppc64le.rpm
kernel-devel-3.10.0-693.64.1.el7.ppc64le.rpm
kernel-headers-3.10.0-693.64.1.el7.ppc64le.rpm
kernel-tools-3.10.0-693.64.1.el7.ppc64le.rpm
kernel-tools-debuginfo-3.10.0-693.64.1.el7.ppc64le.rpm
kernel-tools-libs-3.10.0-693.64.1.el7.ppc64le.rpm
perf-3.10.0-693.64.1.el7.ppc64le.rpm
perf-debuginfo-3.10.0-693.64.1.el7.ppc64le.rpm
python-perf-3.10.0-693.64.1.el7.ppc64le.rpm
python-perf-debuginfo-3.10.0-693.64.1.el7.ppc64le.rpm

x86_64:
kernel-3.10.0-693.64.1.el7.x86_64.rpm
kernel-debug-3.10.0-693.64.1.el7.x86_64.rpm
kernel-debug-debuginfo-3.10.0-693.64.1.el7.x86_64.rpm
kernel-debug-devel-3.10.0-693.64.1.el7.x86_64.rpm
kernel-debuginfo-3.10.0-693.64.1.el7.x86_64.rpm
kernel-debuginfo-common-x86_64-3.10.0-693.64.1.el7.x86_64.rpm
kernel-devel-3.10.0-693.64.1.el7.x86_64.rpm
kernel-headers-3.10.0-693.64.1.el7.x86_64.rpm
kernel-tools-3.10.0-693.64.1.el7.x86_64.rpm
kernel-tools-debuginfo-3.10.0-693.64.1.el7.x86_64.rpm
kernel-tools-libs-3.10.0-693.64.1.el7.x86_64.rpm
perf-3.10.0-693.64.1.el7.x86_64.rpm
perf-debuginfo-3.10.0-693.64.1.el7.x86_64.rpm
python-perf-3.10.0-693.64.1.el7.x86_64.rpm
python-perf-debuginfo-3.10.0-693.64.1.el7.x86_64.rpm

Red Hat Enterprise Linux Server TUS (v. 7.4):

Source:
kernel-3.10.0-693.64.1.el7.src.rpm

noarch:
kernel-abi-whitelists-3.10.0-693.64.1.el7.noarch.rpm
kernel-doc-3.10.0-693.64.1.el7.noarch.rpm

x86_64:
kernel-3.10.0-693.64.1.el7.x86_64.rpm
kernel-debug-3.10.0-693.64.1.el7.x86_64.rpm
kernel-debug-debuginfo-3.10.0-693.64.1.el7.x86_64.rpm
kernel-debug-devel-3.10.0-693.64.1.el7.x86_64.rpm
kernel-debuginfo-3.10.0-693.64.1.el7.x86_64.rpm
kernel-debuginfo-common-x86_64-3.10.0-693.64.1.el7.x86_64.rpm
kernel-devel-3.10.0-693.64.1.el7.x86_64.rpm
kernel-headers-3.10.0-693.64.1.el7.x86_64.rpm
kernel-tools-3.10.0-693.64.1.el7.x86_64.rpm
kernel-tools-debuginfo-3.10.0-693.64.1.el7.x86_64.rpm
kernel-tools-libs-3.10.0-693.64.1.el7.x86_64.rpm
perf-3.10.0-693.64.1.el7.x86_64.rpm
perf-debuginfo-3.10.0-693.64.1.el7.x86_64.rpm
python-perf-3.10.0-693.64.1.el7.x86_64.rpm
python-perf-debuginfo-3.10.0-693.64.1.el7.x86_64.rpm

Red Hat Enterprise Linux Server Optional AUS (v. 7.4):

x86_64:
kernel-debug-debuginfo-3.10.0-693.64.1.el7.x86_64.rpm
kernel-debuginfo-3.10.0-693.64.1.el7.x86_64.rpm
kernel-debuginfo-common-x86_64-3.10.0-693.64.1.el7.x86_64.rpm
kernel-tools-debuginfo-3.10.0-693.64.1.el7.x86_64.rpm
kernel-tools-libs-devel-3.10.0-693.64.1.el7.x86_64.rpm
perf-debuginfo-3.10.0-693.64.1.el7.x86_64.rpm
python-perf-debuginfo-3.10.0-693.64.1.el7.x86_64.rpm

Red Hat Enterprise Linux Server Optional E4S (v. 7.4):

ppc64le:
kernel-debug-debuginfo-3.10.0-693.64.1.el7.ppc64le.rpm
kernel-debug-devel-3.10.0-693.64.1.el7.ppc64le.rpm
kernel-debuginfo-3.10.0-693.64.1.el7.ppc64le.rpm
kernel-debuginfo-common-ppc64le-3.10.0-693.64.1.el7.ppc64le.rpm
kernel-tools-debuginfo-3.10.0-693.64.1.el7.ppc64le.rpm
kernel-tools-libs-devel-3.10.0-693.64.1.el7.ppc64le.rpm
perf-debuginfo-3.10.0-693.64.1.el7.ppc64le.rpm
python-perf-debuginfo-3.10.0-693.64.1.el7.ppc64le.rpm

x86_64:
kernel-debug-debuginfo-3.10.0-693.64.1.el7.x86_64.rpm
kernel-debuginfo-3.10.0-693.64.1.el7.x86_64.rpm
kernel-debuginfo-common-x86_64-3.10.0-693.64.1.el7.x86_64.rpm
kernel-tools-debuginfo-3.10.0-693.64.1.el7.x86_64.rpm
kernel-tools-libs-devel-3.10.0-693.64.1.el7.x86_64.rpm
perf-debuginfo-3.10.0-693.64.1.el7.x86_64.rpm
python-perf-debuginfo-3.10.0-693.64.1.el7.x86_64.rpm

Red Hat Enterprise Linux Server Optional TUS (v. 7.4):

x86_64:
kernel-debug-debuginfo-3.10.0-693.64.1.el7.x86_64.rpm
kernel-debuginfo-3.10.0-693.64.1.el7.x86_64.rpm
kernel-debuginfo-common-x86_64-3.10.0-693.64.1.el7.x86_64.rpm
kernel-tools-debuginfo-3.10.0-693.64.1.el7.x86_64.rpm
kernel-tools-libs-devel-3.10.0-693.64.1.el7.x86_64.rpm
perf-debuginfo-3.10.0-693.64.1.el7.x86_64.rpm
python-perf-debuginfo-3.10.0-693.64.1.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-2018-20976
https://access.redhat.com/security/cve/CVE-2019-11085
https://access.redhat.com/security/cve/CVE-2019-14895
https://access.redhat.com/security/cve/CVE-2019-17133
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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