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Hash: SHA256

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

Synopsis:          Moderate: kernel security and bug fix update
Advisory ID:       RHSA-2020:0036-01
Product:           Red Hat Enterprise Linux
Advisory URL:      https://access.redhat.com/errata/RHSA-2020:0036
Issue date:        2020-01-07
CVE Names:         CVE-2017-0861 CVE-2017-10661 CVE-2018-10853 
                   CVE-2018-18281 CVE-2019-11810 CVE-2019-11811 
====================================================================
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 Moderate. 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 snd_pcm_info function in ALSA subsystem
potentially leads to privilege escalation (CVE-2017-0861)

* kernel: Handling of might_cancel queueing is not properly pretected
against race (CVE-2017-10661)

* kernel: kvm: guest userspace to guest kernel write (CVE-2018-10853)

* kernel: TLB flush happens too late on mremap (CVE-2018-18281)

* kernel: a NULL pointer dereference in
drivers/scsi/megaraid/megaraid_sas_base.c leading to DoS (CVE-2019-11810)

* kernel: use-after-free in drivers/char/ipmi/ipmi_si_intf.c,
ipmi_si_mem_io.c, ipmi_si_port_io.c (CVE-2019-11811)

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):

* Hard lockup in free_one_page()->_raw_spin_lock() because sosreport
command is reading from /proc/pagetypeinfo (BZ#1770730)

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/):

1481136 - CVE-2017-10661 kernel: Handling of might_cancel queueing is not properly pretected against race
1563994 - CVE-2017-0861 kernel: Use-after-free in snd_pcm_info function in ALSA subsystem potentially leads to privilege escalation
1589890 - CVE-2018-10853 kernel: kvm: guest userspace to guest kernel write
1645121 - CVE-2018-18281 kernel: TLB flush happens too late on mremap
1709164 - CVE-2019-11810 kernel: a NULL pointer dereference in drivers/scsi/megaraid/megaraid_sas_base.c leading to DoS
1709180 - CVE-2019-11811 kernel: use-after-free in drivers/char/ipmi/ipmi_si_intf.c, ipmi_si_mem_io.c, ipmi_si_port_io.c

6. Package List:

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

Source:
kernel-3.10.0-862.46.1.el7.src.rpm

noarch:
kernel-abi-whitelists-3.10.0-862.46.1.el7.noarch.rpm
kernel-doc-3.10.0-862.46.1.el7.noarch.rpm

x86_64:
kernel-3.10.0-862.46.1.el7.x86_64.rpm
kernel-debug-3.10.0-862.46.1.el7.x86_64.rpm
kernel-debug-debuginfo-3.10.0-862.46.1.el7.x86_64.rpm
kernel-debug-devel-3.10.0-862.46.1.el7.x86_64.rpm
kernel-debuginfo-3.10.0-862.46.1.el7.x86_64.rpm
kernel-debuginfo-common-x86_64-3.10.0-862.46.1.el7.x86_64.rpm
kernel-devel-3.10.0-862.46.1.el7.x86_64.rpm
kernel-headers-3.10.0-862.46.1.el7.x86_64.rpm
kernel-tools-3.10.0-862.46.1.el7.x86_64.rpm
kernel-tools-debuginfo-3.10.0-862.46.1.el7.x86_64.rpm
kernel-tools-libs-3.10.0-862.46.1.el7.x86_64.rpm
perf-3.10.0-862.46.1.el7.x86_64.rpm
perf-debuginfo-3.10.0-862.46.1.el7.x86_64.rpm
python-perf-3.10.0-862.46.1.el7.x86_64.rpm
python-perf-debuginfo-3.10.0-862.46.1.el7.x86_64.rpm

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

x86_64:
kernel-debug-debuginfo-3.10.0-862.46.1.el7.x86_64.rpm
kernel-debuginfo-3.10.0-862.46.1.el7.x86_64.rpm
kernel-debuginfo-common-x86_64-3.10.0-862.46.1.el7.x86_64.rpm
kernel-tools-debuginfo-3.10.0-862.46.1.el7.x86_64.rpm
kernel-tools-libs-devel-3.10.0-862.46.1.el7.x86_64.rpm
perf-debuginfo-3.10.0-862.46.1.el7.x86_64.rpm
python-perf-debuginfo-3.10.0-862.46.1.el7.x86_64.rpm

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

Source:
kernel-3.10.0-862.46.1.el7.src.rpm

noarch:
kernel-abi-whitelists-3.10.0-862.46.1.el7.noarch.rpm
kernel-doc-3.10.0-862.46.1.el7.noarch.rpm

ppc64:
kernel-3.10.0-862.46.1.el7.ppc64.rpm
kernel-bootwrapper-3.10.0-862.46.1.el7.ppc64.rpm
kernel-debug-3.10.0-862.46.1.el7.ppc64.rpm
kernel-debug-debuginfo-3.10.0-862.46.1.el7.ppc64.rpm
kernel-debug-devel-3.10.0-862.46.1.el7.ppc64.rpm
kernel-debuginfo-3.10.0-862.46.1.el7.ppc64.rpm
kernel-debuginfo-common-ppc64-3.10.0-862.46.1.el7.ppc64.rpm
kernel-devel-3.10.0-862.46.1.el7.ppc64.rpm
kernel-headers-3.10.0-862.46.1.el7.ppc64.rpm
kernel-tools-3.10.0-862.46.1.el7.ppc64.rpm
kernel-tools-debuginfo-3.10.0-862.46.1.el7.ppc64.rpm
kernel-tools-libs-3.10.0-862.46.1.el7.ppc64.rpm
perf-3.10.0-862.46.1.el7.ppc64.rpm
perf-debuginfo-3.10.0-862.46.1.el7.ppc64.rpm
python-perf-3.10.0-862.46.1.el7.ppc64.rpm
python-perf-debuginfo-3.10.0-862.46.1.el7.ppc64.rpm

ppc64le:
kernel-3.10.0-862.46.1.el7.ppc64le.rpm
kernel-bootwrapper-3.10.0-862.46.1.el7.ppc64le.rpm
kernel-debug-3.10.0-862.46.1.el7.ppc64le.rpm
kernel-debug-debuginfo-3.10.0-862.46.1.el7.ppc64le.rpm
kernel-debuginfo-3.10.0-862.46.1.el7.ppc64le.rpm
kernel-debuginfo-common-ppc64le-3.10.0-862.46.1.el7.ppc64le.rpm
kernel-devel-3.10.0-862.46.1.el7.ppc64le.rpm
kernel-headers-3.10.0-862.46.1.el7.ppc64le.rpm
kernel-tools-3.10.0-862.46.1.el7.ppc64le.rpm
kernel-tools-debuginfo-3.10.0-862.46.1.el7.ppc64le.rpm
kernel-tools-libs-3.10.0-862.46.1.el7.ppc64le.rpm
perf-3.10.0-862.46.1.el7.ppc64le.rpm
perf-debuginfo-3.10.0-862.46.1.el7.ppc64le.rpm
python-perf-3.10.0-862.46.1.el7.ppc64le.rpm
python-perf-debuginfo-3.10.0-862.46.1.el7.ppc64le.rpm

s390x:
kernel-3.10.0-862.46.1.el7.s390x.rpm
kernel-debug-3.10.0-862.46.1.el7.s390x.rpm
kernel-debug-debuginfo-3.10.0-862.46.1.el7.s390x.rpm
kernel-debug-devel-3.10.0-862.46.1.el7.s390x.rpm
kernel-debuginfo-3.10.0-862.46.1.el7.s390x.rpm
kernel-debuginfo-common-s390x-3.10.0-862.46.1.el7.s390x.rpm
kernel-devel-3.10.0-862.46.1.el7.s390x.rpm
kernel-headers-3.10.0-862.46.1.el7.s390x.rpm
kernel-kdump-3.10.0-862.46.1.el7.s390x.rpm
kernel-kdump-debuginfo-3.10.0-862.46.1.el7.s390x.rpm
kernel-kdump-devel-3.10.0-862.46.1.el7.s390x.rpm
perf-3.10.0-862.46.1.el7.s390x.rpm
perf-debuginfo-3.10.0-862.46.1.el7.s390x.rpm
python-perf-3.10.0-862.46.1.el7.s390x.rpm
python-perf-debuginfo-3.10.0-862.46.1.el7.s390x.rpm

x86_64:
kernel-3.10.0-862.46.1.el7.x86_64.rpm
kernel-debug-3.10.0-862.46.1.el7.x86_64.rpm
kernel-debug-debuginfo-3.10.0-862.46.1.el7.x86_64.rpm
kernel-debug-devel-3.10.0-862.46.1.el7.x86_64.rpm
kernel-debuginfo-3.10.0-862.46.1.el7.x86_64.rpm
kernel-debuginfo-common-x86_64-3.10.0-862.46.1.el7.x86_64.rpm
kernel-devel-3.10.0-862.46.1.el7.x86_64.rpm
kernel-headers-3.10.0-862.46.1.el7.x86_64.rpm
kernel-tools-3.10.0-862.46.1.el7.x86_64.rpm
kernel-tools-debuginfo-3.10.0-862.46.1.el7.x86_64.rpm
kernel-tools-libs-3.10.0-862.46.1.el7.x86_64.rpm
perf-3.10.0-862.46.1.el7.x86_64.rpm
perf-debuginfo-3.10.0-862.46.1.el7.x86_64.rpm
python-perf-3.10.0-862.46.1.el7.x86_64.rpm
python-perf-debuginfo-3.10.0-862.46.1.el7.x86_64.rpm

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

ppc64:
kernel-debug-debuginfo-3.10.0-862.46.1.el7.ppc64.rpm
kernel-debuginfo-3.10.0-862.46.1.el7.ppc64.rpm
kernel-debuginfo-common-ppc64-3.10.0-862.46.1.el7.ppc64.rpm
kernel-tools-debuginfo-3.10.0-862.46.1.el7.ppc64.rpm
kernel-tools-libs-devel-3.10.0-862.46.1.el7.ppc64.rpm
perf-debuginfo-3.10.0-862.46.1.el7.ppc64.rpm
python-perf-debuginfo-3.10.0-862.46.1.el7.ppc64.rpm

ppc64le:
kernel-debug-debuginfo-3.10.0-862.46.1.el7.ppc64le.rpm
kernel-debug-devel-3.10.0-862.46.1.el7.ppc64le.rpm
kernel-debuginfo-3.10.0-862.46.1.el7.ppc64le.rpm
kernel-debuginfo-common-ppc64le-3.10.0-862.46.1.el7.ppc64le.rpm
kernel-tools-debuginfo-3.10.0-862.46.1.el7.ppc64le.rpm
kernel-tools-libs-devel-3.10.0-862.46.1.el7.ppc64le.rpm
perf-debuginfo-3.10.0-862.46.1.el7.ppc64le.rpm
python-perf-debuginfo-3.10.0-862.46.1.el7.ppc64le.rpm

x86_64:
kernel-debug-debuginfo-3.10.0-862.46.1.el7.x86_64.rpm
kernel-debuginfo-3.10.0-862.46.1.el7.x86_64.rpm
kernel-debuginfo-common-x86_64-3.10.0-862.46.1.el7.x86_64.rpm
kernel-tools-debuginfo-3.10.0-862.46.1.el7.x86_64.rpm
kernel-tools-libs-devel-3.10.0-862.46.1.el7.x86_64.rpm
perf-debuginfo-3.10.0-862.46.1.el7.x86_64.rpm
python-perf-debuginfo-3.10.0-862.46.1.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-2017-0861
https://access.redhat.com/security/cve/CVE-2017-10661
https://access.redhat.com/security/cve/CVE-2018-10853
https://access.redhat.com/security/cve/CVE-2018-18281
https://access.redhat.com/security/cve/CVE-2019-11810
https://access.redhat.com/security/cve/CVE-2019-11811
https://access.redhat.com/security/updates/classification/#moderate

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-2020-0036:01 Moderate: kernel security and bug fix update

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

Summary

The kernel packages contain the Linux kernel, the core of any Linux operating system.
Security Fix(es):
* kernel: Use-after-free in snd_pcm_info function in ALSA subsystem potentially leads to privilege escalation (CVE-2017-0861)
* kernel: Handling of might_cancel queueing is not properly pretected against race (CVE-2017-10661)
* kernel: kvm: guest userspace to guest kernel write (CVE-2018-10853)
* kernel: TLB flush happens too late on mremap (CVE-2018-18281)
* kernel: a NULL pointer dereference in drivers/scsi/megaraid/megaraid_sas_base.c leading to DoS (CVE-2019-11810)
* kernel: use-after-free in drivers/char/ipmi/ipmi_si_intf.c, ipmi_si_mem_io.c, ipmi_si_port_io.c (CVE-2019-11811)
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):
* Hard lockup in free_one_page()->_raw_spin_lock() because sosreport command is reading from /proc/pagetypeinfo (BZ#1770730)



Summary


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.

References

https://access.redhat.com/security/cve/CVE-2017-0861 https://access.redhat.com/security/cve/CVE-2017-10661 https://access.redhat.com/security/cve/CVE-2018-10853 https://access.redhat.com/security/cve/CVE-2018-18281 https://access.redhat.com/security/cve/CVE-2019-11810 https://access.redhat.com/security/cve/CVE-2019-11811 https://access.redhat.com/security/updates/classification/#moderate

Package List

Red Hat Enterprise Linux ComputeNode EUS (v. 7.5):
Source: kernel-3.10.0-862.46.1.el7.src.rpm
noarch: kernel-abi-whitelists-3.10.0-862.46.1.el7.noarch.rpm kernel-doc-3.10.0-862.46.1.el7.noarch.rpm
x86_64: kernel-3.10.0-862.46.1.el7.x86_64.rpm kernel-debug-3.10.0-862.46.1.el7.x86_64.rpm kernel-debug-debuginfo-3.10.0-862.46.1.el7.x86_64.rpm kernel-debug-devel-3.10.0-862.46.1.el7.x86_64.rpm kernel-debuginfo-3.10.0-862.46.1.el7.x86_64.rpm kernel-debuginfo-common-x86_64-3.10.0-862.46.1.el7.x86_64.rpm kernel-devel-3.10.0-862.46.1.el7.x86_64.rpm kernel-headers-3.10.0-862.46.1.el7.x86_64.rpm kernel-tools-3.10.0-862.46.1.el7.x86_64.rpm kernel-tools-debuginfo-3.10.0-862.46.1.el7.x86_64.rpm kernel-tools-libs-3.10.0-862.46.1.el7.x86_64.rpm perf-3.10.0-862.46.1.el7.x86_64.rpm perf-debuginfo-3.10.0-862.46.1.el7.x86_64.rpm python-perf-3.10.0-862.46.1.el7.x86_64.rpm python-perf-debuginfo-3.10.0-862.46.1.el7.x86_64.rpm
Red Hat Enterprise Linux ComputeNode Optional EUS (v. 7.5):
x86_64: kernel-debug-debuginfo-3.10.0-862.46.1.el7.x86_64.rpm kernel-debuginfo-3.10.0-862.46.1.el7.x86_64.rpm kernel-debuginfo-common-x86_64-3.10.0-862.46.1.el7.x86_64.rpm kernel-tools-debuginfo-3.10.0-862.46.1.el7.x86_64.rpm kernel-tools-libs-devel-3.10.0-862.46.1.el7.x86_64.rpm perf-debuginfo-3.10.0-862.46.1.el7.x86_64.rpm python-perf-debuginfo-3.10.0-862.46.1.el7.x86_64.rpm
Red Hat Enterprise Linux Server EUS (v. 7.5):
Source: kernel-3.10.0-862.46.1.el7.src.rpm
noarch: kernel-abi-whitelists-3.10.0-862.46.1.el7.noarch.rpm kernel-doc-3.10.0-862.46.1.el7.noarch.rpm
ppc64: kernel-3.10.0-862.46.1.el7.ppc64.rpm kernel-bootwrapper-3.10.0-862.46.1.el7.ppc64.rpm kernel-debug-3.10.0-862.46.1.el7.ppc64.rpm kernel-debug-debuginfo-3.10.0-862.46.1.el7.ppc64.rpm kernel-debug-devel-3.10.0-862.46.1.el7.ppc64.rpm kernel-debuginfo-3.10.0-862.46.1.el7.ppc64.rpm kernel-debuginfo-common-ppc64-3.10.0-862.46.1.el7.ppc64.rpm kernel-devel-3.10.0-862.46.1.el7.ppc64.rpm kernel-headers-3.10.0-862.46.1.el7.ppc64.rpm kernel-tools-3.10.0-862.46.1.el7.ppc64.rpm kernel-tools-debuginfo-3.10.0-862.46.1.el7.ppc64.rpm kernel-tools-libs-3.10.0-862.46.1.el7.ppc64.rpm perf-3.10.0-862.46.1.el7.ppc64.rpm perf-debuginfo-3.10.0-862.46.1.el7.ppc64.rpm python-perf-3.10.0-862.46.1.el7.ppc64.rpm python-perf-debuginfo-3.10.0-862.46.1.el7.ppc64.rpm
ppc64le: kernel-3.10.0-862.46.1.el7.ppc64le.rpm kernel-bootwrapper-3.10.0-862.46.1.el7.ppc64le.rpm kernel-debug-3.10.0-862.46.1.el7.ppc64le.rpm kernel-debug-debuginfo-3.10.0-862.46.1.el7.ppc64le.rpm kernel-debuginfo-3.10.0-862.46.1.el7.ppc64le.rpm kernel-debuginfo-common-ppc64le-3.10.0-862.46.1.el7.ppc64le.rpm kernel-devel-3.10.0-862.46.1.el7.ppc64le.rpm kernel-headers-3.10.0-862.46.1.el7.ppc64le.rpm kernel-tools-3.10.0-862.46.1.el7.ppc64le.rpm kernel-tools-debuginfo-3.10.0-862.46.1.el7.ppc64le.rpm kernel-tools-libs-3.10.0-862.46.1.el7.ppc64le.rpm perf-3.10.0-862.46.1.el7.ppc64le.rpm perf-debuginfo-3.10.0-862.46.1.el7.ppc64le.rpm python-perf-3.10.0-862.46.1.el7.ppc64le.rpm python-perf-debuginfo-3.10.0-862.46.1.el7.ppc64le.rpm
s390x: kernel-3.10.0-862.46.1.el7.s390x.rpm kernel-debug-3.10.0-862.46.1.el7.s390x.rpm kernel-debug-debuginfo-3.10.0-862.46.1.el7.s390x.rpm kernel-debug-devel-3.10.0-862.46.1.el7.s390x.rpm kernel-debuginfo-3.10.0-862.46.1.el7.s390x.rpm kernel-debuginfo-common-s390x-3.10.0-862.46.1.el7.s390x.rpm kernel-devel-3.10.0-862.46.1.el7.s390x.rpm kernel-headers-3.10.0-862.46.1.el7.s390x.rpm kernel-kdump-3.10.0-862.46.1.el7.s390x.rpm kernel-kdump-debuginfo-3.10.0-862.46.1.el7.s390x.rpm kernel-kdump-devel-3.10.0-862.46.1.el7.s390x.rpm perf-3.10.0-862.46.1.el7.s390x.rpm perf-debuginfo-3.10.0-862.46.1.el7.s390x.rpm python-perf-3.10.0-862.46.1.el7.s390x.rpm python-perf-debuginfo-3.10.0-862.46.1.el7.s390x.rpm
x86_64: kernel-3.10.0-862.46.1.el7.x86_64.rpm kernel-debug-3.10.0-862.46.1.el7.x86_64.rpm kernel-debug-debuginfo-3.10.0-862.46.1.el7.x86_64.rpm kernel-debug-devel-3.10.0-862.46.1.el7.x86_64.rpm kernel-debuginfo-3.10.0-862.46.1.el7.x86_64.rpm kernel-debuginfo-common-x86_64-3.10.0-862.46.1.el7.x86_64.rpm kernel-devel-3.10.0-862.46.1.el7.x86_64.rpm kernel-headers-3.10.0-862.46.1.el7.x86_64.rpm kernel-tools-3.10.0-862.46.1.el7.x86_64.rpm kernel-tools-debuginfo-3.10.0-862.46.1.el7.x86_64.rpm kernel-tools-libs-3.10.0-862.46.1.el7.x86_64.rpm perf-3.10.0-862.46.1.el7.x86_64.rpm perf-debuginfo-3.10.0-862.46.1.el7.x86_64.rpm python-perf-3.10.0-862.46.1.el7.x86_64.rpm python-perf-debuginfo-3.10.0-862.46.1.el7.x86_64.rpm
Red Hat Enterprise Linux Server Optional EUS (v. 7.5):
ppc64: kernel-debug-debuginfo-3.10.0-862.46.1.el7.ppc64.rpm kernel-debuginfo-3.10.0-862.46.1.el7.ppc64.rpm kernel-debuginfo-common-ppc64-3.10.0-862.46.1.el7.ppc64.rpm kernel-tools-debuginfo-3.10.0-862.46.1.el7.ppc64.rpm kernel-tools-libs-devel-3.10.0-862.46.1.el7.ppc64.rpm perf-debuginfo-3.10.0-862.46.1.el7.ppc64.rpm python-perf-debuginfo-3.10.0-862.46.1.el7.ppc64.rpm
ppc64le: kernel-debug-debuginfo-3.10.0-862.46.1.el7.ppc64le.rpm kernel-debug-devel-3.10.0-862.46.1.el7.ppc64le.rpm kernel-debuginfo-3.10.0-862.46.1.el7.ppc64le.rpm kernel-debuginfo-common-ppc64le-3.10.0-862.46.1.el7.ppc64le.rpm kernel-tools-debuginfo-3.10.0-862.46.1.el7.ppc64le.rpm kernel-tools-libs-devel-3.10.0-862.46.1.el7.ppc64le.rpm perf-debuginfo-3.10.0-862.46.1.el7.ppc64le.rpm python-perf-debuginfo-3.10.0-862.46.1.el7.ppc64le.rpm
x86_64: kernel-debug-debuginfo-3.10.0-862.46.1.el7.x86_64.rpm kernel-debuginfo-3.10.0-862.46.1.el7.x86_64.rpm kernel-debuginfo-common-x86_64-3.10.0-862.46.1.el7.x86_64.rpm kernel-tools-debuginfo-3.10.0-862.46.1.el7.x86_64.rpm kernel-tools-libs-devel-3.10.0-862.46.1.el7.x86_64.rpm perf-debuginfo-3.10.0-862.46.1.el7.x86_64.rpm python-perf-debuginfo-3.10.0-862.46.1.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/


Severity
Advisory ID: RHSA-2020:0036-01
Product: Red Hat Enterprise Linux
Advisory URL: https://access.redhat.com/errata/RHSA-2020:0036
Issued Date: : 2020-01-07
CVE Names: CVE-2017-0861 CVE-2017-10661 CVE-2018-10853 CVE-2018-18281 CVE-2019-11810 CVE-2019-11811

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 Moderate. A Common Vulnerability Scoring System (CVSS) base score, whichgives a detailed severity rating, is available for each vulnerability fromthe CVE link(s) in the References section.


Topic


 

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

1481136 - CVE-2017-10661 kernel: Handling of might_cancel queueing is not properly pretected against race

1563994 - CVE-2017-0861 kernel: Use-after-free in snd_pcm_info function in ALSA subsystem potentially leads to privilege escalation

1589890 - CVE-2018-10853 kernel: kvm: guest userspace to guest kernel write

1645121 - CVE-2018-18281 kernel: TLB flush happens too late on mremap

1709164 - CVE-2019-11810 kernel: a NULL pointer dereference in drivers/scsi/megaraid/megaraid_sas_base.c leading to DoS

1709180 - CVE-2019-11811 kernel: use-after-free in drivers/char/ipmi/ipmi_si_intf.c, ipmi_si_mem_io.c, ipmi_si_port_io.c


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