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Red Hat Security Advisory 2020-2289-01

Red Hat Security Advisory 2020-2289-01
Posted May 26, 2020
Authored by Red Hat | Site access.redhat.com

Red Hat Security Advisory 2020-2289-01 - The kernel packages contain the Linux kernel, the core of any Linux operating system. Issues addressed include double free, heap overflow, memory leak, null pointer, and use-after-free vulnerabilities.

tags | advisory, overflow, kernel, vulnerability, memory leak
systems | linux, redhat
advisories | CVE-2017-18595, CVE-2019-10126, CVE-2019-19768, CVE-2019-3846, CVE-2020-10711
SHA-256 | ca1a3813a0ecbcf9e2f73b9ff16150fb54c458acd38a43569a373d34d79a64fa

Red Hat Security Advisory 2020-2289-01

Change Mirror Download
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Hash: SHA256

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

Synopsis: Important: kernel security and bug fix update
Advisory ID: RHSA-2020:2289-01
Product: Red Hat Enterprise Linux
Advisory URL: https://access.redhat.com/errata/RHSA-2020:2289
Issue date: 2020-05-26
CVE Names: CVE-2017-18595 CVE-2019-3846 CVE-2019-10126
CVE-2019-19768 CVE-2020-10711
====================================================================
1. Summary:

An update for kernel is now available for Red Hat Enterprise Linux 7.6
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. 7.6) - noarch, x86_64
Red Hat Enterprise Linux ComputeNode Optional EUS (v. 7.6) - x86_64
Red Hat Enterprise Linux Server EUS (v. 7.6) - noarch, ppc64, ppc64le, s390x, x86_64
Red Hat Enterprise Linux Server Optional EUS (v. 7.6) - ppc64, ppc64le, x86_64

3. Description:

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

Security Fix(es):

* kernel: double free may be caused by the function allocate_trace_buffer
in the file kernel/trace/trace.c (CVE-2017-18595)

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

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

* kernel: use-after-free in __blk_add_trace in kernel/trace/blktrace.c
(CVE-2019-19768)

* Kernel: NetLabel: null pointer dereference while receiving CIPSO packet
with null category may cause kernel panic (CVE-2020-10711)

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):

* Observed a memory leak while using dm-multipath (BZ#1812935)

* Backport: Guest microcode version mismatch on secondary processors
(BZ#1814001)

* dm-multipath high load backport incorrect (BZ#1814533)

* ixgbe reports "Detected Tx Unit Hang" with adapter reset on RHEL 7
(BZ#1816990)

* RHEL7: block mq hang of a blk_mq_freeze_queue_wait(), which waits for a
zero of a q_usage_counter, which never happens (BZ#1824543)

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/):

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
1758671 - CVE-2017-18595 kernel: double free may be caused by the function allocate_trace_buffer in the file kernel/trace/trace.c
1786164 - CVE-2019-19768 kernel: use-after-free in __blk_add_trace in kernel/trace/blktrace.c
1825116 - CVE-2020-10711 Kernel: NetLabel: null pointer dereference while receiving CIPSO packet with null category may cause kernel panic

6. Package List:

Red Hat Enterprise Linux ComputeNode EUS (v. 7.6):

Source:
kernel-3.10.0-957.54.1.el7.src.rpm

noarch:
kernel-abi-whitelists-3.10.0-957.54.1.el7.noarch.rpm
kernel-doc-3.10.0-957.54.1.el7.noarch.rpm

x86_64:
bpftool-3.10.0-957.54.1.el7.x86_64.rpm
kernel-3.10.0-957.54.1.el7.x86_64.rpm
kernel-debug-3.10.0-957.54.1.el7.x86_64.rpm
kernel-debug-debuginfo-3.10.0-957.54.1.el7.x86_64.rpm
kernel-debug-devel-3.10.0-957.54.1.el7.x86_64.rpm
kernel-debuginfo-3.10.0-957.54.1.el7.x86_64.rpm
kernel-debuginfo-common-x86_64-3.10.0-957.54.1.el7.x86_64.rpm
kernel-devel-3.10.0-957.54.1.el7.x86_64.rpm
kernel-headers-3.10.0-957.54.1.el7.x86_64.rpm
kernel-tools-3.10.0-957.54.1.el7.x86_64.rpm
kernel-tools-debuginfo-3.10.0-957.54.1.el7.x86_64.rpm
kernel-tools-libs-3.10.0-957.54.1.el7.x86_64.rpm
perf-3.10.0-957.54.1.el7.x86_64.rpm
perf-debuginfo-3.10.0-957.54.1.el7.x86_64.rpm
python-perf-3.10.0-957.54.1.el7.x86_64.rpm
python-perf-debuginfo-3.10.0-957.54.1.el7.x86_64.rpm

Red Hat Enterprise Linux ComputeNode Optional EUS (v. 7.6):

x86_64:
kernel-debug-debuginfo-3.10.0-957.54.1.el7.x86_64.rpm
kernel-debuginfo-3.10.0-957.54.1.el7.x86_64.rpm
kernel-debuginfo-common-x86_64-3.10.0-957.54.1.el7.x86_64.rpm
kernel-tools-debuginfo-3.10.0-957.54.1.el7.x86_64.rpm
kernel-tools-libs-devel-3.10.0-957.54.1.el7.x86_64.rpm
perf-debuginfo-3.10.0-957.54.1.el7.x86_64.rpm
python-perf-debuginfo-3.10.0-957.54.1.el7.x86_64.rpm

Red Hat Enterprise Linux Server EUS (v. 7.6):

Source:
kernel-3.10.0-957.54.1.el7.src.rpm

noarch:
kernel-abi-whitelists-3.10.0-957.54.1.el7.noarch.rpm
kernel-doc-3.10.0-957.54.1.el7.noarch.rpm

ppc64:
kernel-3.10.0-957.54.1.el7.ppc64.rpm
kernel-bootwrapper-3.10.0-957.54.1.el7.ppc64.rpm
kernel-debug-3.10.0-957.54.1.el7.ppc64.rpm
kernel-debug-debuginfo-3.10.0-957.54.1.el7.ppc64.rpm
kernel-debug-devel-3.10.0-957.54.1.el7.ppc64.rpm
kernel-debuginfo-3.10.0-957.54.1.el7.ppc64.rpm
kernel-debuginfo-common-ppc64-3.10.0-957.54.1.el7.ppc64.rpm
kernel-devel-3.10.0-957.54.1.el7.ppc64.rpm
kernel-headers-3.10.0-957.54.1.el7.ppc64.rpm
kernel-tools-3.10.0-957.54.1.el7.ppc64.rpm
kernel-tools-debuginfo-3.10.0-957.54.1.el7.ppc64.rpm
kernel-tools-libs-3.10.0-957.54.1.el7.ppc64.rpm
perf-3.10.0-957.54.1.el7.ppc64.rpm
perf-debuginfo-3.10.0-957.54.1.el7.ppc64.rpm
python-perf-3.10.0-957.54.1.el7.ppc64.rpm
python-perf-debuginfo-3.10.0-957.54.1.el7.ppc64.rpm

ppc64le:
kernel-3.10.0-957.54.1.el7.ppc64le.rpm
kernel-bootwrapper-3.10.0-957.54.1.el7.ppc64le.rpm
kernel-debug-3.10.0-957.54.1.el7.ppc64le.rpm
kernel-debug-debuginfo-3.10.0-957.54.1.el7.ppc64le.rpm
kernel-debuginfo-3.10.0-957.54.1.el7.ppc64le.rpm
kernel-debuginfo-common-ppc64le-3.10.0-957.54.1.el7.ppc64le.rpm
kernel-devel-3.10.0-957.54.1.el7.ppc64le.rpm
kernel-headers-3.10.0-957.54.1.el7.ppc64le.rpm
kernel-tools-3.10.0-957.54.1.el7.ppc64le.rpm
kernel-tools-debuginfo-3.10.0-957.54.1.el7.ppc64le.rpm
kernel-tools-libs-3.10.0-957.54.1.el7.ppc64le.rpm
perf-3.10.0-957.54.1.el7.ppc64le.rpm
perf-debuginfo-3.10.0-957.54.1.el7.ppc64le.rpm
python-perf-3.10.0-957.54.1.el7.ppc64le.rpm
python-perf-debuginfo-3.10.0-957.54.1.el7.ppc64le.rpm

s390x:
kernel-3.10.0-957.54.1.el7.s390x.rpm
kernel-debug-3.10.0-957.54.1.el7.s390x.rpm
kernel-debug-debuginfo-3.10.0-957.54.1.el7.s390x.rpm
kernel-debug-devel-3.10.0-957.54.1.el7.s390x.rpm
kernel-debuginfo-3.10.0-957.54.1.el7.s390x.rpm
kernel-debuginfo-common-s390x-3.10.0-957.54.1.el7.s390x.rpm
kernel-devel-3.10.0-957.54.1.el7.s390x.rpm
kernel-headers-3.10.0-957.54.1.el7.s390x.rpm
kernel-kdump-3.10.0-957.54.1.el7.s390x.rpm
kernel-kdump-debuginfo-3.10.0-957.54.1.el7.s390x.rpm
kernel-kdump-devel-3.10.0-957.54.1.el7.s390x.rpm
perf-3.10.0-957.54.1.el7.s390x.rpm
perf-debuginfo-3.10.0-957.54.1.el7.s390x.rpm
python-perf-3.10.0-957.54.1.el7.s390x.rpm
python-perf-debuginfo-3.10.0-957.54.1.el7.s390x.rpm

x86_64:
bpftool-3.10.0-957.54.1.el7.x86_64.rpm
kernel-3.10.0-957.54.1.el7.x86_64.rpm
kernel-debug-3.10.0-957.54.1.el7.x86_64.rpm
kernel-debug-debuginfo-3.10.0-957.54.1.el7.x86_64.rpm
kernel-debug-devel-3.10.0-957.54.1.el7.x86_64.rpm
kernel-debuginfo-3.10.0-957.54.1.el7.x86_64.rpm
kernel-debuginfo-common-x86_64-3.10.0-957.54.1.el7.x86_64.rpm
kernel-devel-3.10.0-957.54.1.el7.x86_64.rpm
kernel-headers-3.10.0-957.54.1.el7.x86_64.rpm
kernel-tools-3.10.0-957.54.1.el7.x86_64.rpm
kernel-tools-debuginfo-3.10.0-957.54.1.el7.x86_64.rpm
kernel-tools-libs-3.10.0-957.54.1.el7.x86_64.rpm
perf-3.10.0-957.54.1.el7.x86_64.rpm
perf-debuginfo-3.10.0-957.54.1.el7.x86_64.rpm
python-perf-3.10.0-957.54.1.el7.x86_64.rpm
python-perf-debuginfo-3.10.0-957.54.1.el7.x86_64.rpm

Red Hat Enterprise Linux Server Optional EUS (v. 7.6):

ppc64:
kernel-debug-debuginfo-3.10.0-957.54.1.el7.ppc64.rpm
kernel-debuginfo-3.10.0-957.54.1.el7.ppc64.rpm
kernel-debuginfo-common-ppc64-3.10.0-957.54.1.el7.ppc64.rpm
kernel-tools-debuginfo-3.10.0-957.54.1.el7.ppc64.rpm
kernel-tools-libs-devel-3.10.0-957.54.1.el7.ppc64.rpm
perf-debuginfo-3.10.0-957.54.1.el7.ppc64.rpm
python-perf-debuginfo-3.10.0-957.54.1.el7.ppc64.rpm

ppc64le:
kernel-debug-debuginfo-3.10.0-957.54.1.el7.ppc64le.rpm
kernel-debug-devel-3.10.0-957.54.1.el7.ppc64le.rpm
kernel-debuginfo-3.10.0-957.54.1.el7.ppc64le.rpm
kernel-debuginfo-common-ppc64le-3.10.0-957.54.1.el7.ppc64le.rpm
kernel-tools-debuginfo-3.10.0-957.54.1.el7.ppc64le.rpm
kernel-tools-libs-devel-3.10.0-957.54.1.el7.ppc64le.rpm
perf-debuginfo-3.10.0-957.54.1.el7.ppc64le.rpm
python-perf-debuginfo-3.10.0-957.54.1.el7.ppc64le.rpm

x86_64:
kernel-debug-debuginfo-3.10.0-957.54.1.el7.x86_64.rpm
kernel-debuginfo-3.10.0-957.54.1.el7.x86_64.rpm
kernel-debuginfo-common-x86_64-3.10.0-957.54.1.el7.x86_64.rpm
kernel-tools-debuginfo-3.10.0-957.54.1.el7.x86_64.rpm
kernel-tools-libs-devel-3.10.0-957.54.1.el7.x86_64.rpm
perf-debuginfo-3.10.0-957.54.1.el7.x86_64.rpm
python-perf-debuginfo-3.10.0-957.54.1.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-2017-18595
https://access.redhat.com/security/cve/CVE-2019-3846
https://access.redhat.com/security/cve/CVE-2019-10126
https://access.redhat.com/security/cve/CVE-2019-19768
https://access.redhat.com/security/cve/CVE-2020-10711
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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