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Red Hat Enterprise MRG 2.5: RHSA-2018-0470-01 Moderate Kernel Fixes

red hat
Calendar Grey March 12, 2018
Dist Redhat Esm H88
The revised Red Hat Enterprise MRG Realtime 2.5 releases tackle vulnerabilities and introduce improvements for enhanced functionality.
Updated Red Hat Enterprise Messaging, Realtime, and Grid (MRG) Realtime packages that fix multiple security issues and add one enhancement are now available for Red Hat Enterprise ...

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

After installing the update, the system must be restarted for the changes to take effect.

Summary

Red Hat Enterprise MRG is a next-generation IT infrastructure for enterprise computing. MRG offers increased performance, reliability, interoperability, and faster computing for enterprise customers.
Security Fix(es):
* kernel: rds_message_alloc_sgs() function doesn't validate value used during DMA page allocation causes heap out-of-bounds write (CVE-2018-5332, Moderate)
* kernel: Null pointer dereference in rds_atomic_free_op() allows denial-of-service (CVE-2018-5333, 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.
Enhancement(s):
* The kernel-rt packages have been upgraded to version 3.10.0-693.21.1, which provides a number of security and bug fixes over the previous version. (BZ#1537669)
All Red Hat Enterprise MRG Realtime users are advised to upgrade to these updated packages, which contain backported patches to correct these issues and add this enhancement.

Topics%20covered

Topics Covered

security advisory security issue Red Hat update kernel fix Moderate Realtime

References

https://access.redhat.com/security/cve/CVE-2018-5332 https://access.redhat.com/security/cve/CVE-2018-5333 https://access.redhat.com/security/updates/classification#moderate

Package List

Red Hat MRG Realtime for RHEL 6 Server v.2:
Source: kernel-rt-3.10.0-693.21.1.rt56.607.el6rt.src.rpm
noarch: kernel-rt-doc-3.10.0-693.21.1.rt56.607.el6rt.noarch.rpm kernel-rt-firmware-3.10.0-693.21.1.rt56.607.el6rt.noarch.rpm
x86_64: kernel-rt-3.10.0-693.21.1.rt56.607.el6rt.x86_64.rpm kernel-rt-debug-3.10.0-693.21.1.rt56.607.el6rt.x86_64.rpm kernel-rt-debug-debuginfo-3.10.0-693.21.1.rt56.607.el6rt.x86_64.rpm kernel-rt-debug-devel-3.10.0-693.21.1.rt56.607.el6rt.x86_64.rpm kernel-rt-debuginfo-3.10.0-693.21.1.rt56.607.el6rt.x86_64.rpm kernel-rt-debuginfo-common-x86_64-3.10.0-693.21.1.rt56.607.el6rt.x86_64.rpm kernel-rt-devel-3.10.0-693.21.1.rt56.607.el6rt.x86_64.rpm kernel-rt-trace-3.10.0-693.21.1.rt56.607.el6rt.x86_64.rpm kernel-rt-trace-debuginfo-3.10.0-693.21.1.rt56.607.el6rt.x86_64.rpm kernel-rt-trace-devel-3.10.0-693.21.1.rt56.607.el6rt.x86_64.rpm kernel-rt-vanilla-3.10.0-693.21.1.rt56.607.el6rt.x86_64.rpm kernel-rt-vanilla-debuginfo-3.10.0-693.21.1.rt56.607.el6rt.x86_64.rpm kernel-rt-vanilla-devel-3.10.0-693.21.1.rt56.607.el6rt.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


Advisory ID: RHSA-2018:0470-01
Product: Red Hat Enterprise MRG for RHEL-6
Advisory URL: https://access.redhat.com/errata/RHSA-2018:0470
Issue date: 2018-03-12

Topic

Updated Red Hat Enterprise Messaging, Realtime, and Grid (MRG) Realtimepackages that fix multiple security issues and add one enhancement are nowavailable for Red Hat Enterprise MRG 2.5.Red Hat Product Security has rated this update as having Moderate securityimpact. Common Vulnerability Scoring System (CVSS) base scores, which givedetailed severity ratings, are available for each vulnerability from theCVE links in the References section.

Topics%20covered

Topics Covered

security advisory security issue Red Hat update kernel fix Moderate Realtime

Relevant Releases Architectures

Red Hat MRG Realtime for RHEL 6 Server v.2 - noarch, x86_64

Bugs Fixed

1533890 - CVE-2018-5332 kernel: rds_message_alloc_sgs() function doesn't validate value used during DMA page allocation causes heap out-of-bounds write

1533891 - CVE-2018-5333 kernel: Null pointer dereference in rds_atomic_free_op() allowing denial-of-service

1537669 - update the MRG 2.5.z 3.10 kernel-rt sources

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