-----BEGIN PGP SIGNED MESSAGE-----
Hash: SHA256

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

Synopsis:          Important: kernel security, bug fix, and enhancement update
Advisory ID:       RHSA-2020:0543-01
Product:           Red Hat Enterprise Linux
Advisory URL:      https://access.redhat.com/errata/RHSA-2020:0543
Issue date:        2020-02-18
CVE Names:         CVE-2018-20856 CVE-2018-20976 CVE-2019-11085 
                   CVE-2019-11599 CVE-2019-14895 CVE-2019-17133 
                   CVE-2019-17666 
====================================================================
1. Summary:

An update for kernel is now available for Red Hat Enterprise Linux 7.5
Extended Update Support.

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 ComputeNode EUS (v. 7.5) - noarch, x86_64
Red Hat Enterprise Linux ComputeNode Optional EUS (v. 7.5) - x86_64
Red Hat Enterprise Linux Server EUS (v. 7.5) - noarch, ppc64, ppc64le, s390x, x86_64
Red Hat Enterprise Linux Server Optional EUS (v. 7.5) - ppc64, ppc64le, 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 __blk_drain_queue() function in
block/blk-core.c (CVE-2018-20856)

* 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)

* kernel: rtl_p2p_noa_ie in drivers/net/wireless/realtek/rtlwifi/ps.c in
the Linux kernel lacks a certain upper-bound check, leading to a buffer
overflow (CVE-2019-17666)

* kernel: fix race condition between mmget_not_zero()/get_task_mm() and
core dumping (CVE-2019-11599)

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):

* [Hyper-V][RHEL7.6]Hyper-V guest waiting indefinitely for RCU callback
when removing a mem cgroup (BZ#1783175)

Enhancement(s):

* Selective backport: perf: Sync with upstream v4.16 (BZ#1782751)

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/):

1705937 - CVE-2019-11599 kernel: fix race condition between mmget_not_zero()/get_task_mm() and core dumping
1710405 - CVE-2019-11085 kernel: insufficient input validation in kernel mode driver in Intel i915 graphics leads to privilege escalation
1738705 - CVE-2018-20856 kernel: Use-after-free in __blk_drain_queue() function in block/blk-core.c
1743547 - CVE-2018-20976 kernel: use-after-free in fs/xfs/xfs_super.c
1763690 - CVE-2019-17666 kernel: rtl_p2p_noa_ie in drivers/net/wireless/realtek/rtlwifi/ps.c in the Linux kernel lacks a certain upper-bound check, leading to a buffer overflow
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 ComputeNode EUS (v. 7.5):

Source:
kernel-3.10.0-862.48.1.el7.src.rpm

noarch:
kernel-abi-whitelists-3.10.0-862.48.1.el7.noarch.rpm
kernel-doc-3.10.0-862.48.1.el7.noarch.rpm

x86_64:
kernel-3.10.0-862.48.1.el7.x86_64.rpm
kernel-debug-3.10.0-862.48.1.el7.x86_64.rpm
kernel-debug-debuginfo-3.10.0-862.48.1.el7.x86_64.rpm
kernel-debug-devel-3.10.0-862.48.1.el7.x86_64.rpm
kernel-debuginfo-3.10.0-862.48.1.el7.x86_64.rpm
kernel-debuginfo-common-x86_64-3.10.0-862.48.1.el7.x86_64.rpm
kernel-devel-3.10.0-862.48.1.el7.x86_64.rpm
kernel-headers-3.10.0-862.48.1.el7.x86_64.rpm
kernel-tools-3.10.0-862.48.1.el7.x86_64.rpm
kernel-tools-debuginfo-3.10.0-862.48.1.el7.x86_64.rpm
kernel-tools-libs-3.10.0-862.48.1.el7.x86_64.rpm
perf-3.10.0-862.48.1.el7.x86_64.rpm
perf-debuginfo-3.10.0-862.48.1.el7.x86_64.rpm
python-perf-3.10.0-862.48.1.el7.x86_64.rpm
python-perf-debuginfo-3.10.0-862.48.1.el7.x86_64.rpm

Red Hat Enterprise Linux ComputeNode Optional EUS (v. 7.5):

x86_64:
kernel-debug-debuginfo-3.10.0-862.48.1.el7.x86_64.rpm
kernel-debuginfo-3.10.0-862.48.1.el7.x86_64.rpm
kernel-debuginfo-common-x86_64-3.10.0-862.48.1.el7.x86_64.rpm
kernel-tools-debuginfo-3.10.0-862.48.1.el7.x86_64.rpm
kernel-tools-libs-devel-3.10.0-862.48.1.el7.x86_64.rpm
perf-debuginfo-3.10.0-862.48.1.el7.x86_64.rpm
python-perf-debuginfo-3.10.0-862.48.1.el7.x86_64.rpm

Red Hat Enterprise Linux Server EUS (v. 7.5):

Source:
kernel-3.10.0-862.48.1.el7.src.rpm

noarch:
kernel-abi-whitelists-3.10.0-862.48.1.el7.noarch.rpm
kernel-doc-3.10.0-862.48.1.el7.noarch.rpm

ppc64:
kernel-3.10.0-862.48.1.el7.ppc64.rpm
kernel-bootwrapper-3.10.0-862.48.1.el7.ppc64.rpm
kernel-debug-3.10.0-862.48.1.el7.ppc64.rpm
kernel-debug-debuginfo-3.10.0-862.48.1.el7.ppc64.rpm
kernel-debug-devel-3.10.0-862.48.1.el7.ppc64.rpm
kernel-debuginfo-3.10.0-862.48.1.el7.ppc64.rpm
kernel-debuginfo-common-ppc64-3.10.0-862.48.1.el7.ppc64.rpm
kernel-devel-3.10.0-862.48.1.el7.ppc64.rpm
kernel-headers-3.10.0-862.48.1.el7.ppc64.rpm
kernel-tools-3.10.0-862.48.1.el7.ppc64.rpm
kernel-tools-debuginfo-3.10.0-862.48.1.el7.ppc64.rpm
kernel-tools-libs-3.10.0-862.48.1.el7.ppc64.rpm
perf-3.10.0-862.48.1.el7.ppc64.rpm
perf-debuginfo-3.10.0-862.48.1.el7.ppc64.rpm
python-perf-3.10.0-862.48.1.el7.ppc64.rpm
python-perf-debuginfo-3.10.0-862.48.1.el7.ppc64.rpm

ppc64le:
kernel-3.10.0-862.48.1.el7.ppc64le.rpm
kernel-bootwrapper-3.10.0-862.48.1.el7.ppc64le.rpm
kernel-debug-3.10.0-862.48.1.el7.ppc64le.rpm
kernel-debug-debuginfo-3.10.0-862.48.1.el7.ppc64le.rpm
kernel-debuginfo-3.10.0-862.48.1.el7.ppc64le.rpm
kernel-debuginfo-common-ppc64le-3.10.0-862.48.1.el7.ppc64le.rpm
kernel-devel-3.10.0-862.48.1.el7.ppc64le.rpm
kernel-headers-3.10.0-862.48.1.el7.ppc64le.rpm
kernel-tools-3.10.0-862.48.1.el7.ppc64le.rpm
kernel-tools-debuginfo-3.10.0-862.48.1.el7.ppc64le.rpm
kernel-tools-libs-3.10.0-862.48.1.el7.ppc64le.rpm
perf-3.10.0-862.48.1.el7.ppc64le.rpm
perf-debuginfo-3.10.0-862.48.1.el7.ppc64le.rpm
python-perf-3.10.0-862.48.1.el7.ppc64le.rpm
python-perf-debuginfo-3.10.0-862.48.1.el7.ppc64le.rpm

s390x:
kernel-3.10.0-862.48.1.el7.s390x.rpm
kernel-debug-3.10.0-862.48.1.el7.s390x.rpm
kernel-debug-debuginfo-3.10.0-862.48.1.el7.s390x.rpm
kernel-debug-devel-3.10.0-862.48.1.el7.s390x.rpm
kernel-debuginfo-3.10.0-862.48.1.el7.s390x.rpm
kernel-debuginfo-common-s390x-3.10.0-862.48.1.el7.s390x.rpm
kernel-devel-3.10.0-862.48.1.el7.s390x.rpm
kernel-headers-3.10.0-862.48.1.el7.s390x.rpm
kernel-kdump-3.10.0-862.48.1.el7.s390x.rpm
kernel-kdump-debuginfo-3.10.0-862.48.1.el7.s390x.rpm
kernel-kdump-devel-3.10.0-862.48.1.el7.s390x.rpm
perf-3.10.0-862.48.1.el7.s390x.rpm
perf-debuginfo-3.10.0-862.48.1.el7.s390x.rpm
python-perf-3.10.0-862.48.1.el7.s390x.rpm
python-perf-debuginfo-3.10.0-862.48.1.el7.s390x.rpm

x86_64:
kernel-3.10.0-862.48.1.el7.x86_64.rpm
kernel-debug-3.10.0-862.48.1.el7.x86_64.rpm
kernel-debug-debuginfo-3.10.0-862.48.1.el7.x86_64.rpm
kernel-debug-devel-3.10.0-862.48.1.el7.x86_64.rpm
kernel-debuginfo-3.10.0-862.48.1.el7.x86_64.rpm
kernel-debuginfo-common-x86_64-3.10.0-862.48.1.el7.x86_64.rpm
kernel-devel-3.10.0-862.48.1.el7.x86_64.rpm
kernel-headers-3.10.0-862.48.1.el7.x86_64.rpm
kernel-tools-3.10.0-862.48.1.el7.x86_64.rpm
kernel-tools-debuginfo-3.10.0-862.48.1.el7.x86_64.rpm
kernel-tools-libs-3.10.0-862.48.1.el7.x86_64.rpm
perf-3.10.0-862.48.1.el7.x86_64.rpm
perf-debuginfo-3.10.0-862.48.1.el7.x86_64.rpm
python-perf-3.10.0-862.48.1.el7.x86_64.rpm
python-perf-debuginfo-3.10.0-862.48.1.el7.x86_64.rpm

Red Hat Enterprise Linux Server Optional EUS (v. 7.5):

ppc64:
kernel-debug-debuginfo-3.10.0-862.48.1.el7.ppc64.rpm
kernel-debuginfo-3.10.0-862.48.1.el7.ppc64.rpm
kernel-debuginfo-common-ppc64-3.10.0-862.48.1.el7.ppc64.rpm
kernel-tools-debuginfo-3.10.0-862.48.1.el7.ppc64.rpm
kernel-tools-libs-devel-3.10.0-862.48.1.el7.ppc64.rpm
perf-debuginfo-3.10.0-862.48.1.el7.ppc64.rpm
python-perf-debuginfo-3.10.0-862.48.1.el7.ppc64.rpm

ppc64le:
kernel-debug-debuginfo-3.10.0-862.48.1.el7.ppc64le.rpm
kernel-debug-devel-3.10.0-862.48.1.el7.ppc64le.rpm
kernel-debuginfo-3.10.0-862.48.1.el7.ppc64le.rpm
kernel-debuginfo-common-ppc64le-3.10.0-862.48.1.el7.ppc64le.rpm
kernel-tools-debuginfo-3.10.0-862.48.1.el7.ppc64le.rpm
kernel-tools-libs-devel-3.10.0-862.48.1.el7.ppc64le.rpm
perf-debuginfo-3.10.0-862.48.1.el7.ppc64le.rpm
python-perf-debuginfo-3.10.0-862.48.1.el7.ppc64le.rpm

x86_64:
kernel-debug-debuginfo-3.10.0-862.48.1.el7.x86_64.rpm
kernel-debuginfo-3.10.0-862.48.1.el7.x86_64.rpm
kernel-debuginfo-common-x86_64-3.10.0-862.48.1.el7.x86_64.rpm
kernel-tools-debuginfo-3.10.0-862.48.1.el7.x86_64.rpm
kernel-tools-libs-devel-3.10.0-862.48.1.el7.x86_64.rpm
perf-debuginfo-3.10.0-862.48.1.el7.x86_64.rpm
python-perf-debuginfo-3.10.0-862.48.1.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-2018-20856
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-2019-11599
https://access.redhat.com/security/cve/CVE-2019-14895
https://access.redhat.com/security/cve/CVE-2019-17133
https://access.redhat.com/security/cve/CVE-2019-17666
https://access.redhat.com/security/updates/classification/#important

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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RedHat: RHSA-2020:0543-01 Important Kernel Security Update

red hat

February 18, 2020

An update for kernel is now available for Red Hat Enterprise Linux 7.5 Extended Update Support

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.

Summary

The kernel packages contain the Linux kernel, the core of any Linux operating system.
Security Fix(es):
* kernel: Use-after-free in __blk_drain_queue() function in block/blk-core.c (CVE-2018-20856)
* 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)
* kernel: rtl_p2p_noa_ie in drivers/net/wireless/realtek/rtlwifi/ps.c in the Linux kernel lacks a certain upper-bound check, leading to a buffer overflow (CVE-2019-17666)
* kernel: fix race condition between mmget_not_zero()/get_task_mm() and core dumping (CVE-2019-11599)
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):
* [Hyper-V][RHEL7.6]Hyper-V guest waiting indefinitely for RCU callback when removing a mem cgroup (BZ#1783175)
Enhancement(s):
* Selective backport: perf: Sync with upstream v4.16 (BZ#1782751)

Topics Covered

security advisory privilege escalation bug fix important kernel red hat enterprise enhancement update

References

https://access.redhat.com/security/cve/CVE-2018-20856 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-2019-11599 https://access.redhat.com/security/cve/CVE-2019-14895 https://access.redhat.com/security/cve/CVE-2019-17133 https://access.redhat.com/security/cve/CVE-2019-17666 https://access.redhat.com/security/updates/classification/#important

Package List

Red Hat Enterprise Linux ComputeNode EUS (v. 7.5):
Source: kernel-3.10.0-862.48.1.el7.src.rpm
noarch: kernel-abi-whitelists-3.10.0-862.48.1.el7.noarch.rpm kernel-doc-3.10.0-862.48.1.el7.noarch.rpm
x86_64: kernel-3.10.0-862.48.1.el7.x86_64.rpm kernel-debug-3.10.0-862.48.1.el7.x86_64.rpm kernel-debug-debuginfo-3.10.0-862.48.1.el7.x86_64.rpm kernel-debug-devel-3.10.0-862.48.1.el7.x86_64.rpm kernel-debuginfo-3.10.0-862.48.1.el7.x86_64.rpm kernel-debuginfo-common-x86_64-3.10.0-862.48.1.el7.x86_64.rpm kernel-devel-3.10.0-862.48.1.el7.x86_64.rpm kernel-headers-3.10.0-862.48.1.el7.x86_64.rpm kernel-tools-3.10.0-862.48.1.el7.x86_64.rpm kernel-tools-debuginfo-3.10.0-862.48.1.el7.x86_64.rpm kernel-tools-libs-3.10.0-862.48.1.el7.x86_64.rpm perf-3.10.0-862.48.1.el7.x86_64.rpm perf-debuginfo-3.10.0-862.48.1.el7.x86_64.rpm python-perf-3.10.0-862.48.1.el7.x86_64.rpm python-perf-debuginfo-3.10.0-862.48.1.el7.x86_64.rpm
Red Hat Enterprise Linux ComputeNode Optional EUS (v. 7.5):
x86_64: kernel-debug-debuginfo-3.10.0-862.48.1.el7.x86_64.rpm kernel-debuginfo-3.10.0-862.48.1.el7.x86_64.rpm kernel-debuginfo-common-x86_64-3.10.0-862.48.1.el7.x86_64.rpm kernel-tools-debuginfo-3.10.0-862.48.1.el7.x86_64.rpm kernel-tools-libs-devel-3.10.0-862.48.1.el7.x86_64.rpm

Read the Full Advisory

Severity

important

Lowest

Low

Medium

High

Critical

Advisory ID: RHSA-2020:0543-01

Product: Red Hat Enterprise Linux

Advisory URL: https://access.redhat.com/errata/RHSA-2020:0543

Issue date: 2020-02-18

Topic

An update for kernel is now available for Red Hat Enterprise Linux 7.5Extended Update Support.Red Hat Product Security has rated this update as having a security impactof Important. A Common Vulnerability Scoring System (CVSS) base score,which gives a detailed severity rating, is available for each vulnerabilityfrom the CVE link(s) in the References section.

Topics Covered

security advisory privilege escalation bug fix important kernel red hat enterprise enhancement update

Relevant Releases Architectures

Red Hat Enterprise Linux ComputeNode EUS (v. 7.5) - noarch, x86_64

Red Hat Enterprise Linux ComputeNode Optional EUS (v. 7.5) - x86_64

Red Hat Enterprise Linux Server EUS (v. 7.5) - noarch, ppc64, ppc64le, s390x, x86_64

Red Hat Enterprise Linux Server Optional EUS (v. 7.5) - ppc64, ppc64le, x86_64

Bugs Fixed

1705937 - CVE-2019-11599 kernel: fix race condition between mmget_not_zero()/get_task_mm() and core dumping

1710405 - CVE-2019-11085 kernel: insufficient input validation in kernel mode driver in Intel i915 graphics leads to privilege escalation

1738705 - CVE-2018-20856 kernel: Use-after-free in __blk_drain_queue() function in block/blk-core.c

1743547 - CVE-2018-20976 kernel: use-after-free in fs/xfs/xfs_super.c

1763690 - CVE-2019-17666 kernel: rtl_p2p_noa_ie in drivers/net/wireless/realtek/rtlwifi/ps.c in the Linux kernel lacks a certain upper-bound check, leading to a buffer overflow

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

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