RedHat: RHSA-2018-0470:01 Moderate: Red Hat Enterprise MRG Realtime 2.5
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.
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
After installing the update, the system must be restarted for the changes
to take effect.
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/
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.
Topic
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