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Red Hat Security Advisory 2020-0328-01

Red Hat Security Advisory 2020-0328-01
Posted Feb 4, 2020
Authored by Red Hat | Site access.redhat.com

Red Hat Security Advisory 2020-0328-01 - The kernel-rt packages provide the Real Time Linux Kernel, which enables fine-tuning for systems with extremely high determinism requirements. Issues addressed include buffer overflow, denial of service, and heap overflow vulnerabilities.

tags | advisory, denial of service, overflow, kernel, vulnerability
systems | linux, redhat
advisories | CVE-2019-14814, CVE-2019-14815, CVE-2019-14816, CVE-2019-14895, CVE-2019-14898, CVE-2019-14901, CVE-2019-17666, CVE-2019-19338
MD5 | cf4445dbf298f0cb11ba6a3e47c66ccf

Red Hat Security Advisory 2020-0328-01

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

Synopsis: Important: kernel-rt security and bug fix update
Advisory ID: RHSA-2020:0328-01
Product: Red Hat Enterprise Linux
Advisory URL: https://access.redhat.com/errata/RHSA-2020:0328
Issue date: 2020-02-04
CVE Names: CVE-2019-14814 CVE-2019-14815 CVE-2019-14816
CVE-2019-14895 CVE-2019-14898 CVE-2019-14901
CVE-2019-17666 CVE-2019-19338
=====================================================================

1. Summary:

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

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 Real Time (v. 8) - x86_64
Red Hat Enterprise Linux Real Time for NFV (v. 8) - x86_64

3. Description:

The kernel-rt packages provide the Real Time Linux Kernel, which enables
fine-tuning for systems with extremely high determinism requirements.

Security Fix(es):

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

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

* kernel: heap overflow in marvell/mwifiex/tdls.c (CVE-2019-14901)

* 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: 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: incomplete fix for race condition between
mmget_not_zero()/get_task_mm() and core dumping in CVE-2019-11599
(CVE-2019-14898)

* Kernel: KVM: export MSR_IA32_TSX_CTRL to guest - incomplete fix for TAA
(CVE-2019-11135) (CVE-2019-19338)

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-rt: update RT source tree to the RHEL-8.1.z2 source tree
(BZ#1780326)

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/):

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
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
1773519 - CVE-2019-14901 kernel: heap overflow in marvell/mwifiex/tdls.c
1774671 - CVE-2019-14898 kernel: incomplete fix for race condition between mmget_not_zero()/get_task_mm() and core dumping in CVE-2019-11599
1774870 - CVE-2019-14895 kernel: heap-based buffer overflow in mwifiex_process_country_ie() function in drivers/net/wireless/marvell/mwifiex/sta_ioctl.c
1781514 - CVE-2019-19338 Kernel: KVM: export MSR_IA32_TSX_CTRL to guest - incomplete fix for TAA (CVE-2019-11135)

6. Package List:

Red Hat Enterprise Linux Real Time for NFV (v. 8):

Source:
kernel-rt-4.18.0-147.5.1.rt24.98.el8_1.src.rpm

x86_64:
kernel-rt-4.18.0-147.5.1.rt24.98.el8_1.x86_64.rpm
kernel-rt-core-4.18.0-147.5.1.rt24.98.el8_1.x86_64.rpm
kernel-rt-debug-4.18.0-147.5.1.rt24.98.el8_1.x86_64.rpm
kernel-rt-debug-core-4.18.0-147.5.1.rt24.98.el8_1.x86_64.rpm
kernel-rt-debug-debuginfo-4.18.0-147.5.1.rt24.98.el8_1.x86_64.rpm
kernel-rt-debug-devel-4.18.0-147.5.1.rt24.98.el8_1.x86_64.rpm
kernel-rt-debug-kvm-4.18.0-147.5.1.rt24.98.el8_1.x86_64.rpm
kernel-rt-debug-kvm-debuginfo-4.18.0-147.5.1.rt24.98.el8_1.x86_64.rpm
kernel-rt-debug-modules-4.18.0-147.5.1.rt24.98.el8_1.x86_64.rpm
kernel-rt-debug-modules-extra-4.18.0-147.5.1.rt24.98.el8_1.x86_64.rpm
kernel-rt-debuginfo-4.18.0-147.5.1.rt24.98.el8_1.x86_64.rpm
kernel-rt-debuginfo-common-x86_64-4.18.0-147.5.1.rt24.98.el8_1.x86_64.rpm
kernel-rt-devel-4.18.0-147.5.1.rt24.98.el8_1.x86_64.rpm
kernel-rt-kvm-4.18.0-147.5.1.rt24.98.el8_1.x86_64.rpm
kernel-rt-kvm-debuginfo-4.18.0-147.5.1.rt24.98.el8_1.x86_64.rpm
kernel-rt-modules-4.18.0-147.5.1.rt24.98.el8_1.x86_64.rpm
kernel-rt-modules-extra-4.18.0-147.5.1.rt24.98.el8_1.x86_64.rpm

Red Hat Enterprise Linux Real Time (v. 8):

Source:
kernel-rt-4.18.0-147.5.1.rt24.98.el8_1.src.rpm

x86_64:
kernel-rt-4.18.0-147.5.1.rt24.98.el8_1.x86_64.rpm
kernel-rt-core-4.18.0-147.5.1.rt24.98.el8_1.x86_64.rpm
kernel-rt-debug-4.18.0-147.5.1.rt24.98.el8_1.x86_64.rpm
kernel-rt-debug-core-4.18.0-147.5.1.rt24.98.el8_1.x86_64.rpm
kernel-rt-debug-debuginfo-4.18.0-147.5.1.rt24.98.el8_1.x86_64.rpm
kernel-rt-debug-devel-4.18.0-147.5.1.rt24.98.el8_1.x86_64.rpm
kernel-rt-debug-kvm-debuginfo-4.18.0-147.5.1.rt24.98.el8_1.x86_64.rpm
kernel-rt-debug-modules-4.18.0-147.5.1.rt24.98.el8_1.x86_64.rpm
kernel-rt-debug-modules-extra-4.18.0-147.5.1.rt24.98.el8_1.x86_64.rpm
kernel-rt-debuginfo-4.18.0-147.5.1.rt24.98.el8_1.x86_64.rpm
kernel-rt-debuginfo-common-x86_64-4.18.0-147.5.1.rt24.98.el8_1.x86_64.rpm
kernel-rt-devel-4.18.0-147.5.1.rt24.98.el8_1.x86_64.rpm
kernel-rt-kvm-debuginfo-4.18.0-147.5.1.rt24.98.el8_1.x86_64.rpm
kernel-rt-modules-4.18.0-147.5.1.rt24.98.el8_1.x86_64.rpm
kernel-rt-modules-extra-4.18.0-147.5.1.rt24.98.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-2019-14814
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-2019-14895
https://access.redhat.com/security/cve/CVE-2019-14898
https://access.redhat.com/security/cve/CVE-2019-14901
https://access.redhat.com/security/cve/CVE-2019-17666
https://access.redhat.com/security/cve/CVE-2019-19338
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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