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

Synopsis:          Important: kernel security update
Advisory ID:       RHSA-2018:1347-01
Product:           Red Hat Enterprise Linux
Advisory URL:      https://access.redhat.com/errata/RHSA-2018:1347
Issue date:        2018-05-08
CVE Names:         CVE-2018-1087 CVE-2018-8897 CVE-2018-1000199 
====================================================================
1. Summary:

An update for kernel is now available for Red Hat Enterprise Linux 7.2
Advanced Update Support, Red Hat Enterprise Linux 7.2 Telco Extended Update
Support, and Red Hat Enterprise Linux 7.2 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. 7.2) - noarch, x86_64
Red Hat Enterprise Linux Server E4S (v. 7.2) - noarch, ppc64le, x86_64
Red Hat Enterprise Linux Server Optional AUS (v. 7.2) - x86_64
Red Hat Enterprise Linux Server Optional E4S (v. 7.2) - ppc64le, x86_64
Red Hat Enterprise Linux Server Optional TUS (v. 7.2) - x86_64
Red Hat Enterprise Linux Server TUS (v. 7.2) - noarch, x86_64

3. Description:

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

Security Fix(es):

* Kernel: KVM: error in exception handling leads to wrong debug stack value
(CVE-2018-1087)

* Kernel: error in exception handling leads to DoS (CVE-2018-8897)

* kernel: ptrace() incorrect error handling leads to corruption and DoS
(CVE-2018-1000199)

For more details about the security issue(s), including the impact, a CVSS
score, and other related information, refer to the CVE page(s) listed in
the References section.

Red Hat would like to thank Andy Lutomirski for reporting CVE-2018-1087 and
CVE-2018-1000199 and Nick Peterson (Everdox Tech LLC) and Andy Lutomirski
for reporting CVE-2018-8897.

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/):

1566837 - CVE-2018-1087 Kernel: KVM: error in exception handling leads to wrong debug stack value
1567074 - CVE-2018-8897 Kernel: error in exception handling leads to DoS
1568477 - CVE-2018-1000199 kernel: ptrace() incorrect error handling leads to corruption and DoS

6. Package List:

Red Hat Enterprise Linux Server AUS (v. 7.2):

Source:
kernel-3.10.0-327.66.3.el7.src.rpm

noarch:
kernel-abi-whitelists-3.10.0-327.66.3.el7.noarch.rpm
kernel-doc-3.10.0-327.66.3.el7.noarch.rpm

x86_64:
kernel-3.10.0-327.66.3.el7.x86_64.rpm
kernel-debug-3.10.0-327.66.3.el7.x86_64.rpm
kernel-debug-debuginfo-3.10.0-327.66.3.el7.x86_64.rpm
kernel-debug-devel-3.10.0-327.66.3.el7.x86_64.rpm
kernel-debuginfo-3.10.0-327.66.3.el7.x86_64.rpm
kernel-debuginfo-common-x86_64-3.10.0-327.66.3.el7.x86_64.rpm
kernel-devel-3.10.0-327.66.3.el7.x86_64.rpm
kernel-headers-3.10.0-327.66.3.el7.x86_64.rpm
kernel-tools-3.10.0-327.66.3.el7.x86_64.rpm
kernel-tools-debuginfo-3.10.0-327.66.3.el7.x86_64.rpm
kernel-tools-libs-3.10.0-327.66.3.el7.x86_64.rpm
perf-3.10.0-327.66.3.el7.x86_64.rpm
perf-debuginfo-3.10.0-327.66.3.el7.x86_64.rpm
python-perf-3.10.0-327.66.3.el7.x86_64.rpm
python-perf-debuginfo-3.10.0-327.66.3.el7.x86_64.rpm

Red Hat Enterprise Linux Server E4S (v. 7.2):

Source:
kernel-3.10.0-327.66.3.el7.src.rpm

noarch:
kernel-abi-whitelists-3.10.0-327.66.3.el7.noarch.rpm
kernel-doc-3.10.0-327.66.3.el7.noarch.rpm

ppc64le:
kernel-3.10.0-327.66.3.el7.ppc64le.rpm
kernel-bootwrapper-3.10.0-327.66.3.el7.ppc64le.rpm
kernel-debug-3.10.0-327.66.3.el7.ppc64le.rpm
kernel-debug-debuginfo-3.10.0-327.66.3.el7.ppc64le.rpm
kernel-debuginfo-3.10.0-327.66.3.el7.ppc64le.rpm
kernel-debuginfo-common-ppc64le-3.10.0-327.66.3.el7.ppc64le.rpm
kernel-devel-3.10.0-327.66.3.el7.ppc64le.rpm
kernel-headers-3.10.0-327.66.3.el7.ppc64le.rpm
kernel-tools-3.10.0-327.66.3.el7.ppc64le.rpm
kernel-tools-debuginfo-3.10.0-327.66.3.el7.ppc64le.rpm
kernel-tools-libs-3.10.0-327.66.3.el7.ppc64le.rpm
perf-3.10.0-327.66.3.el7.ppc64le.rpm
perf-debuginfo-3.10.0-327.66.3.el7.ppc64le.rpm
python-perf-3.10.0-327.66.3.el7.ppc64le.rpm
python-perf-debuginfo-3.10.0-327.66.3.el7.ppc64le.rpm

x86_64:
kernel-3.10.0-327.66.3.el7.x86_64.rpm
kernel-debug-3.10.0-327.66.3.el7.x86_64.rpm
kernel-debug-debuginfo-3.10.0-327.66.3.el7.x86_64.rpm
kernel-debug-devel-3.10.0-327.66.3.el7.x86_64.rpm
kernel-debuginfo-3.10.0-327.66.3.el7.x86_64.rpm
kernel-debuginfo-common-x86_64-3.10.0-327.66.3.el7.x86_64.rpm
kernel-devel-3.10.0-327.66.3.el7.x86_64.rpm
kernel-headers-3.10.0-327.66.3.el7.x86_64.rpm
kernel-tools-3.10.0-327.66.3.el7.x86_64.rpm
kernel-tools-debuginfo-3.10.0-327.66.3.el7.x86_64.rpm
kernel-tools-libs-3.10.0-327.66.3.el7.x86_64.rpm
perf-3.10.0-327.66.3.el7.x86_64.rpm
perf-debuginfo-3.10.0-327.66.3.el7.x86_64.rpm
python-perf-3.10.0-327.66.3.el7.x86_64.rpm
python-perf-debuginfo-3.10.0-327.66.3.el7.x86_64.rpm

Red Hat Enterprise Linux Server TUS (v. 7.2):

Source:
kernel-3.10.0-327.66.3.el7.src.rpm

noarch:
kernel-abi-whitelists-3.10.0-327.66.3.el7.noarch.rpm
kernel-doc-3.10.0-327.66.3.el7.noarch.rpm

x86_64:
kernel-3.10.0-327.66.3.el7.x86_64.rpm
kernel-debug-3.10.0-327.66.3.el7.x86_64.rpm
kernel-debug-debuginfo-3.10.0-327.66.3.el7.x86_64.rpm
kernel-debug-devel-3.10.0-327.66.3.el7.x86_64.rpm
kernel-debuginfo-3.10.0-327.66.3.el7.x86_64.rpm
kernel-debuginfo-common-x86_64-3.10.0-327.66.3.el7.x86_64.rpm
kernel-devel-3.10.0-327.66.3.el7.x86_64.rpm
kernel-headers-3.10.0-327.66.3.el7.x86_64.rpm
kernel-tools-3.10.0-327.66.3.el7.x86_64.rpm
kernel-tools-debuginfo-3.10.0-327.66.3.el7.x86_64.rpm
kernel-tools-libs-3.10.0-327.66.3.el7.x86_64.rpm
perf-3.10.0-327.66.3.el7.x86_64.rpm
perf-debuginfo-3.10.0-327.66.3.el7.x86_64.rpm
python-perf-3.10.0-327.66.3.el7.x86_64.rpm
python-perf-debuginfo-3.10.0-327.66.3.el7.x86_64.rpm

Red Hat Enterprise Linux Server Optional AUS (v. 7.2):

x86_64:
kernel-debug-debuginfo-3.10.0-327.66.3.el7.x86_64.rpm
kernel-debuginfo-3.10.0-327.66.3.el7.x86_64.rpm
kernel-debuginfo-common-x86_64-3.10.0-327.66.3.el7.x86_64.rpm
kernel-tools-debuginfo-3.10.0-327.66.3.el7.x86_64.rpm
kernel-tools-libs-devel-3.10.0-327.66.3.el7.x86_64.rpm
perf-debuginfo-3.10.0-327.66.3.el7.x86_64.rpm
python-perf-debuginfo-3.10.0-327.66.3.el7.x86_64.rpm

Red Hat Enterprise Linux Server Optional E4S (v. 7.2):

ppc64le:
kernel-debug-debuginfo-3.10.0-327.66.3.el7.ppc64le.rpm
kernel-debug-devel-3.10.0-327.66.3.el7.ppc64le.rpm
kernel-debuginfo-3.10.0-327.66.3.el7.ppc64le.rpm
kernel-debuginfo-common-ppc64le-3.10.0-327.66.3.el7.ppc64le.rpm
kernel-tools-debuginfo-3.10.0-327.66.3.el7.ppc64le.rpm
kernel-tools-libs-devel-3.10.0-327.66.3.el7.ppc64le.rpm
perf-debuginfo-3.10.0-327.66.3.el7.ppc64le.rpm
python-perf-debuginfo-3.10.0-327.66.3.el7.ppc64le.rpm

x86_64:
kernel-debug-debuginfo-3.10.0-327.66.3.el7.x86_64.rpm
kernel-debuginfo-3.10.0-327.66.3.el7.x86_64.rpm
kernel-debuginfo-common-x86_64-3.10.0-327.66.3.el7.x86_64.rpm
kernel-tools-debuginfo-3.10.0-327.66.3.el7.x86_64.rpm
kernel-tools-libs-devel-3.10.0-327.66.3.el7.x86_64.rpm
perf-debuginfo-3.10.0-327.66.3.el7.x86_64.rpm
python-perf-debuginfo-3.10.0-327.66.3.el7.x86_64.rpm

Red Hat Enterprise Linux Server Optional TUS (v. 7.2):

x86_64:
kernel-debug-debuginfo-3.10.0-327.66.3.el7.x86_64.rpm
kernel-debuginfo-3.10.0-327.66.3.el7.x86_64.rpm
kernel-debuginfo-common-x86_64-3.10.0-327.66.3.el7.x86_64.rpm
kernel-tools-debuginfo-3.10.0-327.66.3.el7.x86_64.rpm
kernel-tools-libs-devel-3.10.0-327.66.3.el7.x86_64.rpm
perf-debuginfo-3.10.0-327.66.3.el7.x86_64.rpm
python-perf-debuginfo-3.10.0-327.66.3.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-2018-1087
https://access.redhat.com/security/cve/CVE-2018-8897
https://access.redhat.com/security/cve/CVE-2018-1000199
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 2018 Red Hat, Inc.
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Red Hat Enterprise Linux 7.2 RHSA-2018:1347-01 Critical Kernel Security

red hat

May 8, 2018

An update for kernel is now available for Red Hat Enterprise Linux 7.2 Advanced Update Support, Red Hat Enterprise Linux 7.2 Telco Extended Update Support, and Red Hat Enterprise L...

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: KVM: error in exception handling leads to wrong debug stack value (CVE-2018-1087)
* Kernel: error in exception handling leads to DoS (CVE-2018-8897)
* kernel: ptrace() incorrect error handling leads to corruption and DoS (CVE-2018-1000199)
For more details about the security issue(s), including the impact, a CVSS score, and other related information, refer to the CVE page(s) listed in the References section.
Red Hat would like to thank Andy Lutomirski for reporting CVE-2018-1087 and CVE-2018-1000199 and Nick Peterson (Everdox Tech LLC) and Andy Lutomirski for reporting CVE-2018-8897.

Topics Covered

security advisory Red Hat critical DoS kernel corruption

References

https://access.redhat.com/security/cve/CVE-2018-1087 https://access.redhat.com/security/cve/CVE-2018-8897 https://access.redhat.com/security/cve/CVE-2018-1000199 https://access.redhat.com/security/updates/classification#important

Package List

Red Hat Enterprise Linux Server AUS (v. 7.2):
Source: kernel-3.10.0-327.66.3.el7.src.rpm
noarch: kernel-abi-whitelists-3.10.0-327.66.3.el7.noarch.rpm kernel-doc-3.10.0-327.66.3.el7.noarch.rpm
x86_64: kernel-3.10.0-327.66.3.el7.x86_64.rpm kernel-debug-3.10.0-327.66.3.el7.x86_64.rpm kernel-debug-debuginfo-3.10.0-327.66.3.el7.x86_64.rpm kernel-debug-devel-3.10.0-327.66.3.el7.x86_64.rpm kernel-debuginfo-3.10.0-327.66.3.el7.x86_64.rpm kernel-debuginfo-common-x86_64-3.10.0-327.66.3.el7.x86_64.rpm kernel-devel-3.10.0-327.66.3.el7.x86_64.rpm kernel-headers-3.10.0-327.66.3.el7.x86_64.rpm kernel-tools-3.10.0-327.66.3.el7.x86_64.rpm kernel-tools-debuginfo-3.10.0-327.66.3.el7.x86_64.rpm kernel-tools-libs-3.10.0-327.66.3.el7.x86_64.rpm perf-3.10.0-327.66.3.el7.x86_64.rpm perf-debuginfo-3.10.0-327.66.3.el7.x86_64.rpm python-perf-3.10.0-327.66.3.el7.x86_64.rpm python-perf-debuginfo-3.10.0-327.66.3.el7.x86_64.rpm
Red Hat Enterprise Linux Server E4S (v. 7.2):
Source: kernel-3.10.0-327.66.3.el7.src.rpm
noarch: kernel-abi-whitelists-3.10.0-327.66.3.el7.noarch.rpm kernel-doc-3.10.0-327.66.3.el7.noarch.rpm
ppc64le: kernel-3.10.0-327.66.3.el7.ppc64le.rpm kernel-bootwrapper-3.10.0-327.66.3.el7.ppc64le.rpm kernel-debug-3.10.0-327.66.3.el7.ppc64le.rpm

Read the Full Advisory

Severity

important

Lowest

Low

Medium

High

Critical

Advisory ID: RHSA-2018:1347-01

Product: Red Hat Enterprise Linux

Advisory URL: https://access.redhat.com/errata/RHSA-2018:1347

Issue date: 2018-05-08

Topic

An update for kernel is now available for Red Hat Enterprise Linux 7.2Advanced Update Support, Red Hat Enterprise Linux 7.2 Telco Extended UpdateSupport, and Red Hat Enterprise Linux 7.2 Update Services for SAPSolutions.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 Red Hat critical DoS kernel corruption

Relevant Releases Architectures

Red Hat Enterprise Linux Server AUS (v. 7.2) - noarch, x86_64

Red Hat Enterprise Linux Server E4S (v. 7.2) - noarch, ppc64le, x86_64

Red Hat Enterprise Linux Server Optional AUS (v. 7.2) - x86_64

Red Hat Enterprise Linux Server Optional E4S (v. 7.2) - ppc64le, x86_64

Red Hat Enterprise Linux Server Optional TUS (v. 7.2) - x86_64

Red Hat Enterprise Linux Server TUS (v. 7.2) - noarch, x86_64

Bugs Fixed

1566837 - CVE-2018-1087 Kernel: KVM: error in exception handling leads to wrong debug stack value

1567074 - CVE-2018-8897 Kernel: error in exception handling leads to DoS

1568477 - CVE-2018-1000199 kernel: ptrace() incorrect error handling leads to corruption and DoS

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