Alerts This Week
Warning Icon 1 664
Alerts This Week
Warning Icon 1 664

Red Hat Enterprise Linux 7 RHSA-2018:0395-01 Important Kernel Fix

Redhat Large Esm H500
An update for kernel is now available for Red Hat Enterprise Linux 7. 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
-----BEGIN PGP SIGNED MESSAGE-----
Hash: SHA1

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

Synopsis:          Important: kernel security and bug fix update
Advisory ID:       RHSA-2018:0395-01
Product:           Red Hat Enterprise Linux
Advisory URL:      https://access.redhat.com/errata/RHSA-2018:0395
Issue date:        2018-03-06
CVE Names:         CVE-2017-7518 CVE-2017-12188 
====================================================================
1. Summary:

An update for kernel is now available for Red Hat Enterprise Linux 7.

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 Client (v. 7) - noarch, x86_64
Red Hat Enterprise Linux Client Optional (v. 7) - x86_64
Red Hat Enterprise Linux ComputeNode (v. 7) - noarch, x86_64
Red Hat Enterprise Linux ComputeNode Optional (v. 7) - x86_64
Red Hat Enterprise Linux Server (v. 7) - noarch, ppc64, ppc64le, s390x, x86_64
Red Hat Enterprise Linux Server Optional (v. 7) - ppc64, ppc64le, x86_64
Red Hat Enterprise Linux Workstation (v. 7) - noarch, x86_64
Red Hat Enterprise Linux Workstation Optional (v. 7) - x86_64

3. Description:

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

These updated kernel packages include several security issues and numerous
bug fixes, some of which you can see below. Space precludes documenting
all of these bug fixes in this advisory. To see the complete list of bug
fixes, users are directed to the related Knowledge Article:
https://access.redhat.com/articles/3368501.

Security Fix(es):

* Kernel: KVM: MMU potential stack buffer overrun during page walks
(CVE-2017-12188, Important)

* Kernel: KVM: debug exception via syscall emulation (CVE-2017-7518,
Moderate)

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.

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/):

1464473 - CVE-2017-7518 Kernel: KVM: debug exception via syscall emulation
1500380 - CVE-2017-12188 Kernel: KVM: MMU potential stack buffer overrun during page walks

6. Package List:

Red Hat Enterprise Linux Client (v. 7):

Source:
kernel-3.10.0-693.21.1.el7.src.rpm

noarch:
kernel-abi-whitelists-3.10.0-693.21.1.el7.noarch.rpm
kernel-doc-3.10.0-693.21.1.el7.noarch.rpm

x86_64:
kernel-3.10.0-693.21.1.el7.x86_64.rpm
kernel-debug-3.10.0-693.21.1.el7.x86_64.rpm
kernel-debug-debuginfo-3.10.0-693.21.1.el7.x86_64.rpm
kernel-debug-devel-3.10.0-693.21.1.el7.x86_64.rpm
kernel-debuginfo-3.10.0-693.21.1.el7.x86_64.rpm
kernel-debuginfo-common-x86_64-3.10.0-693.21.1.el7.x86_64.rpm
kernel-devel-3.10.0-693.21.1.el7.x86_64.rpm
kernel-headers-3.10.0-693.21.1.el7.x86_64.rpm
kernel-tools-3.10.0-693.21.1.el7.x86_64.rpm
kernel-tools-debuginfo-3.10.0-693.21.1.el7.x86_64.rpm
kernel-tools-libs-3.10.0-693.21.1.el7.x86_64.rpm
perf-3.10.0-693.21.1.el7.x86_64.rpm
perf-debuginfo-3.10.0-693.21.1.el7.x86_64.rpm
python-perf-3.10.0-693.21.1.el7.x86_64.rpm
python-perf-debuginfo-3.10.0-693.21.1.el7.x86_64.rpm

Red Hat Enterprise Linux Client Optional (v. 7):

x86_64:
kernel-debug-debuginfo-3.10.0-693.21.1.el7.x86_64.rpm
kernel-debuginfo-3.10.0-693.21.1.el7.x86_64.rpm
kernel-debuginfo-common-x86_64-3.10.0-693.21.1.el7.x86_64.rpm
kernel-tools-debuginfo-3.10.0-693.21.1.el7.x86_64.rpm
kernel-tools-libs-devel-3.10.0-693.21.1.el7.x86_64.rpm
perf-debuginfo-3.10.0-693.21.1.el7.x86_64.rpm
python-perf-debuginfo-3.10.0-693.21.1.el7.x86_64.rpm

Red Hat Enterprise Linux ComputeNode (v. 7):

Source:
kernel-3.10.0-693.21.1.el7.src.rpm

noarch:
kernel-abi-whitelists-3.10.0-693.21.1.el7.noarch.rpm
kernel-doc-3.10.0-693.21.1.el7.noarch.rpm

x86_64:
kernel-3.10.0-693.21.1.el7.x86_64.rpm
kernel-debug-3.10.0-693.21.1.el7.x86_64.rpm
kernel-debug-debuginfo-3.10.0-693.21.1.el7.x86_64.rpm
kernel-debug-devel-3.10.0-693.21.1.el7.x86_64.rpm
kernel-debuginfo-3.10.0-693.21.1.el7.x86_64.rpm
kernel-debuginfo-common-x86_64-3.10.0-693.21.1.el7.x86_64.rpm
kernel-devel-3.10.0-693.21.1.el7.x86_64.rpm
kernel-headers-3.10.0-693.21.1.el7.x86_64.rpm
kernel-tools-3.10.0-693.21.1.el7.x86_64.rpm
kernel-tools-debuginfo-3.10.0-693.21.1.el7.x86_64.rpm
kernel-tools-libs-3.10.0-693.21.1.el7.x86_64.rpm
perf-3.10.0-693.21.1.el7.x86_64.rpm
perf-debuginfo-3.10.0-693.21.1.el7.x86_64.rpm
python-perf-3.10.0-693.21.1.el7.x86_64.rpm
python-perf-debuginfo-3.10.0-693.21.1.el7.x86_64.rpm

Red Hat Enterprise Linux ComputeNode Optional (v. 7):

x86_64:
kernel-debug-debuginfo-3.10.0-693.21.1.el7.x86_64.rpm
kernel-debuginfo-3.10.0-693.21.1.el7.x86_64.rpm
kernel-debuginfo-common-x86_64-3.10.0-693.21.1.el7.x86_64.rpm
kernel-tools-debuginfo-3.10.0-693.21.1.el7.x86_64.rpm
kernel-tools-libs-devel-3.10.0-693.21.1.el7.x86_64.rpm
perf-debuginfo-3.10.0-693.21.1.el7.x86_64.rpm
python-perf-debuginfo-3.10.0-693.21.1.el7.x86_64.rpm

Red Hat Enterprise Linux Server (v. 7):

Source:
kernel-3.10.0-693.21.1.el7.src.rpm

noarch:
kernel-abi-whitelists-3.10.0-693.21.1.el7.noarch.rpm
kernel-doc-3.10.0-693.21.1.el7.noarch.rpm

ppc64:
kernel-3.10.0-693.21.1.el7.ppc64.rpm
kernel-bootwrapper-3.10.0-693.21.1.el7.ppc64.rpm
kernel-debug-3.10.0-693.21.1.el7.ppc64.rpm
kernel-debug-debuginfo-3.10.0-693.21.1.el7.ppc64.rpm
kernel-debug-devel-3.10.0-693.21.1.el7.ppc64.rpm
kernel-debuginfo-3.10.0-693.21.1.el7.ppc64.rpm
kernel-debuginfo-common-ppc64-3.10.0-693.21.1.el7.ppc64.rpm
kernel-devel-3.10.0-693.21.1.el7.ppc64.rpm
kernel-headers-3.10.0-693.21.1.el7.ppc64.rpm
kernel-tools-3.10.0-693.21.1.el7.ppc64.rpm
kernel-tools-debuginfo-3.10.0-693.21.1.el7.ppc64.rpm
kernel-tools-libs-3.10.0-693.21.1.el7.ppc64.rpm
perf-3.10.0-693.21.1.el7.ppc64.rpm
perf-debuginfo-3.10.0-693.21.1.el7.ppc64.rpm
python-perf-3.10.0-693.21.1.el7.ppc64.rpm
python-perf-debuginfo-3.10.0-693.21.1.el7.ppc64.rpm

ppc64le:
kernel-3.10.0-693.21.1.el7.ppc64le.rpm
kernel-bootwrapper-3.10.0-693.21.1.el7.ppc64le.rpm
kernel-debug-3.10.0-693.21.1.el7.ppc64le.rpm
kernel-debug-debuginfo-3.10.0-693.21.1.el7.ppc64le.rpm
kernel-debuginfo-3.10.0-693.21.1.el7.ppc64le.rpm
kernel-debuginfo-common-ppc64le-3.10.0-693.21.1.el7.ppc64le.rpm
kernel-devel-3.10.0-693.21.1.el7.ppc64le.rpm
kernel-headers-3.10.0-693.21.1.el7.ppc64le.rpm
kernel-tools-3.10.0-693.21.1.el7.ppc64le.rpm
kernel-tools-debuginfo-3.10.0-693.21.1.el7.ppc64le.rpm
kernel-tools-libs-3.10.0-693.21.1.el7.ppc64le.rpm
perf-3.10.0-693.21.1.el7.ppc64le.rpm
perf-debuginfo-3.10.0-693.21.1.el7.ppc64le.rpm
python-perf-3.10.0-693.21.1.el7.ppc64le.rpm
python-perf-debuginfo-3.10.0-693.21.1.el7.ppc64le.rpm

s390x:
kernel-3.10.0-693.21.1.el7.s390x.rpm
kernel-debug-3.10.0-693.21.1.el7.s390x.rpm
kernel-debug-debuginfo-3.10.0-693.21.1.el7.s390x.rpm
kernel-debug-devel-3.10.0-693.21.1.el7.s390x.rpm
kernel-debuginfo-3.10.0-693.21.1.el7.s390x.rpm
kernel-debuginfo-common-s390x-3.10.0-693.21.1.el7.s390x.rpm
kernel-devel-3.10.0-693.21.1.el7.s390x.rpm
kernel-headers-3.10.0-693.21.1.el7.s390x.rpm
kernel-kdump-3.10.0-693.21.1.el7.s390x.rpm
kernel-kdump-debuginfo-3.10.0-693.21.1.el7.s390x.rpm
kernel-kdump-devel-3.10.0-693.21.1.el7.s390x.rpm
perf-3.10.0-693.21.1.el7.s390x.rpm
perf-debuginfo-3.10.0-693.21.1.el7.s390x.rpm
python-perf-3.10.0-693.21.1.el7.s390x.rpm
python-perf-debuginfo-3.10.0-693.21.1.el7.s390x.rpm

x86_64:
kernel-3.10.0-693.21.1.el7.x86_64.rpm
kernel-debug-3.10.0-693.21.1.el7.x86_64.rpm
kernel-debug-debuginfo-3.10.0-693.21.1.el7.x86_64.rpm
kernel-debug-devel-3.10.0-693.21.1.el7.x86_64.rpm
kernel-debuginfo-3.10.0-693.21.1.el7.x86_64.rpm
kernel-debuginfo-common-x86_64-3.10.0-693.21.1.el7.x86_64.rpm
kernel-devel-3.10.0-693.21.1.el7.x86_64.rpm
kernel-headers-3.10.0-693.21.1.el7.x86_64.rpm
kernel-tools-3.10.0-693.21.1.el7.x86_64.rpm
kernel-tools-debuginfo-3.10.0-693.21.1.el7.x86_64.rpm
kernel-tools-libs-3.10.0-693.21.1.el7.x86_64.rpm
perf-3.10.0-693.21.1.el7.x86_64.rpm
perf-debuginfo-3.10.0-693.21.1.el7.x86_64.rpm
python-perf-3.10.0-693.21.1.el7.x86_64.rpm
python-perf-debuginfo-3.10.0-693.21.1.el7.x86_64.rpm

Red Hat Enterprise Linux Server Optional (v. 7):

ppc64:
kernel-debug-debuginfo-3.10.0-693.21.1.el7.ppc64.rpm
kernel-debuginfo-3.10.0-693.21.1.el7.ppc64.rpm
kernel-debuginfo-common-ppc64-3.10.0-693.21.1.el7.ppc64.rpm
kernel-tools-debuginfo-3.10.0-693.21.1.el7.ppc64.rpm
kernel-tools-libs-devel-3.10.0-693.21.1.el7.ppc64.rpm
perf-debuginfo-3.10.0-693.21.1.el7.ppc64.rpm
python-perf-debuginfo-3.10.0-693.21.1.el7.ppc64.rpm

ppc64le:
kernel-debug-debuginfo-3.10.0-693.21.1.el7.ppc64le.rpm
kernel-debug-devel-3.10.0-693.21.1.el7.ppc64le.rpm
kernel-debuginfo-3.10.0-693.21.1.el7.ppc64le.rpm
kernel-debuginfo-common-ppc64le-3.10.0-693.21.1.el7.ppc64le.rpm
kernel-tools-debuginfo-3.10.0-693.21.1.el7.ppc64le.rpm
kernel-tools-libs-devel-3.10.0-693.21.1.el7.ppc64le.rpm
perf-debuginfo-3.10.0-693.21.1.el7.ppc64le.rpm
python-perf-debuginfo-3.10.0-693.21.1.el7.ppc64le.rpm

x86_64:
kernel-debug-debuginfo-3.10.0-693.21.1.el7.x86_64.rpm
kernel-debuginfo-3.10.0-693.21.1.el7.x86_64.rpm
kernel-debuginfo-common-x86_64-3.10.0-693.21.1.el7.x86_64.rpm
kernel-tools-debuginfo-3.10.0-693.21.1.el7.x86_64.rpm
kernel-tools-libs-devel-3.10.0-693.21.1.el7.x86_64.rpm
perf-debuginfo-3.10.0-693.21.1.el7.x86_64.rpm
python-perf-debuginfo-3.10.0-693.21.1.el7.x86_64.rpm

Red Hat Enterprise Linux Workstation (v. 7):

Source:
kernel-3.10.0-693.21.1.el7.src.rpm

noarch:
kernel-abi-whitelists-3.10.0-693.21.1.el7.noarch.rpm
kernel-doc-3.10.0-693.21.1.el7.noarch.rpm

x86_64:
kernel-3.10.0-693.21.1.el7.x86_64.rpm
kernel-debug-3.10.0-693.21.1.el7.x86_64.rpm
kernel-debug-debuginfo-3.10.0-693.21.1.el7.x86_64.rpm
kernel-debug-devel-3.10.0-693.21.1.el7.x86_64.rpm
kernel-debuginfo-3.10.0-693.21.1.el7.x86_64.rpm
kernel-debuginfo-common-x86_64-3.10.0-693.21.1.el7.x86_64.rpm
kernel-devel-3.10.0-693.21.1.el7.x86_64.rpm
kernel-headers-3.10.0-693.21.1.el7.x86_64.rpm
kernel-tools-3.10.0-693.21.1.el7.x86_64.rpm
kernel-tools-debuginfo-3.10.0-693.21.1.el7.x86_64.rpm
kernel-tools-libs-3.10.0-693.21.1.el7.x86_64.rpm
perf-3.10.0-693.21.1.el7.x86_64.rpm
perf-debuginfo-3.10.0-693.21.1.el7.x86_64.rpm
python-perf-3.10.0-693.21.1.el7.x86_64.rpm
python-perf-debuginfo-3.10.0-693.21.1.el7.x86_64.rpm

Red Hat Enterprise Linux Workstation Optional (v. 7):

x86_64:
kernel-debug-debuginfo-3.10.0-693.21.1.el7.x86_64.rpm
kernel-debuginfo-3.10.0-693.21.1.el7.x86_64.rpm
kernel-debuginfo-common-x86_64-3.10.0-693.21.1.el7.x86_64.rpm
kernel-tools-debuginfo-3.10.0-693.21.1.el7.x86_64.rpm
kernel-tools-libs-devel-3.10.0-693.21.1.el7.x86_64.rpm
perf-debuginfo-3.10.0-693.21.1.el7.x86_64.rpm
python-perf-debuginfo-3.10.0-693.21.1.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-2017-7518
https://access.redhat.com/security/cve/CVE-2017-12188
https://access.redhat.com/security/updates/classification/#important
https://access.redhat.com/articles/3368501

8. Contact:

The Red Hat security contact is . More contact
details at https://access.redhat.com/security/team/contact/

Copyright 2018 Red Hat, Inc.
-----BEGIN PGP SIGNATURE-----
Version: GnuPG v1

iD8DBQFanwt9XlSAg2UNWIIRAjuoAJ9Yy9qy0QScHMU1fFrtKHLPzNSxOQCfeSKx
uHww2+DNz7OvlXiaOOuSPwE=rayO
-----END PGP SIGNATURE-----

--
RHSA-announce mailing list
This email address is being protected from spambots. You need JavaScript enabled to view it.

Red Hat Enterprise Linux 7 RHSA-2018:0395-01 Important Kernel Fix

red hat
Calendar Grey March 6, 2018
Dist Redhat Esm H88
Essential kernel security patches released for Red Hat Enterprise Linux 7, carrying a significant impact score, comprising various bug rectifications.
An update for kernel is now available for Red Hat Enterprise Linux 7

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.
These updated kernel packages include several security issues and numerous bug fixes, some of which you can see below. Space precludes documenting all of these bug fixes in this advisory. To see the complete list of bug fixes, users are directed to the related Knowledge Article: https://access.redhat.com/articles/3368501.
Security Fix(es):
* Kernel: KVM: MMU potential stack buffer overrun during page walks (CVE-2017-12188, Important)
* Kernel: KVM: debug exception via syscall emulation (CVE-2017-7518, Moderate)
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.

References

https://access.redhat.com/security/cve/CVE-2017-7518 https://access.redhat.com/security/cve/CVE-2017-12188 https://access.redhat.com/security/updates/classification/#important https://access.redhat.com/articles/3368501

Package List

Red Hat Enterprise Linux Client (v. 7):
Source: kernel-3.10.0-693.21.1.el7.src.rpm
noarch: kernel-abi-whitelists-3.10.0-693.21.1.el7.noarch.rpm kernel-doc-3.10.0-693.21.1.el7.noarch.rpm
x86_64: kernel-3.10.0-693.21.1.el7.x86_64.rpm kernel-debug-3.10.0-693.21.1.el7.x86_64.rpm kernel-debug-debuginfo-3.10.0-693.21.1.el7.x86_64.rpm kernel-debug-devel-3.10.0-693.21.1.el7.x86_64.rpm kernel-debuginfo-3.10.0-693.21.1.el7.x86_64.rpm kernel-debuginfo-common-x86_64-3.10.0-693.21.1.el7.x86_64.rpm kernel-devel-3.10.0-693.21.1.el7.x86_64.rpm kernel-headers-3.10.0-693.21.1.el7.x86_64.rpm kernel-tools-3.10.0-693.21.1.el7.x86_64.rpm kernel-tools-debuginfo-3.10.0-693.21.1.el7.x86_64.rpm kernel-tools-libs-3.10.0-693.21.1.el7.x86_64.rpm perf-3.10.0-693.21.1.el7.x86_64.rpm perf-debuginfo-3.10.0-693.21.1.el7.x86_64.rpm python-perf-3.10.0-693.21.1.el7.x86_64.rpm python-perf-debuginfo-3.10.0-693.21.1.el7.x86_64.rpm
Red Hat Enterprise Linux Client Optional (v. 7):
x86_64: kernel-debug-debuginfo-3.10.0-693.21.1.el7.x86_64.rpm kernel-debuginfo-3.10.0-693.21.1.el7.x86_64.rpm kernel-debuginfo-common-x86_64-3.10.0-693.21.1.el7.x86_64.rpm kernel-tools-debuginfo-3.10.0-693.21.1.el7.x86_64.rpm kernel-tools-libs-devel-3.10.0-693.21.1.el7.x86_64.rpm perf-debuginfo-3.10.0-693.21.1.el7.x86_64.rpm

Read the Full Advisory


Severity
important
Lowest
Low
Medium
High
Critical

Advisory ID: RHSA-2018:0395-01
Product: Red Hat Enterprise Linux
Issue date: 2018-03-06

Topic

An update for kernel is now available for Red Hat Enterprise Linux 7.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.

Relevant Releases Architectures

Red Hat Enterprise Linux Client (v. 7) - noarch, x86_64

Red Hat Enterprise Linux Client Optional (v. 7) - x86_64

Red Hat Enterprise Linux ComputeNode (v. 7) - noarch, x86_64

Red Hat Enterprise Linux ComputeNode Optional (v. 7) - x86_64

Red Hat Enterprise Linux Server (v. 7) - noarch, ppc64, ppc64le, s390x, x86_64

Red Hat Enterprise Linux Server Optional (v. 7) - ppc64, ppc64le, x86_64

Red Hat Enterprise Linux Workstation (v. 7) - noarch, x86_64

Red Hat Enterprise Linux Workstation Optional (v. 7) - x86_64

Bugs Fixed

1464473 - CVE-2017-7518 Kernel: KVM: debug exception via syscall emulation

1500380 - CVE-2017-12188 Kernel: KVM: MMU potential stack buffer overrun during page walks

Get the latest News and Insights

Get the latest Linux and open source security news straight to your inbox.

Your message here