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-----BEGIN PGP SIGNED MESSAGE----- Hash: SHA256 =========================================================================== AUSCERT External Security Bulletin Redistribution ESB-2018.0727 Red Hat Enterprise MRG Realtime 2.5 security and enhancement update 13 March 2018 =========================================================================== AusCERT Security Bulletin Summary --------------------------------- Product: Red Hat Enterprise MRG Publisher: Red Hat Operating System: Red Hat Enterprise Linux Server 6 Red Hat Enterprise Linux WS/Desktop 6 Impact/Access: Root Compromise -- Existing Account Denial of Service -- Existing Account Resolution: Patch/Upgrade CVE Names: CVE-2018-5333 CVE-2018-5332 Reference: ESB-2018.0721 ESB-2018.0505 ESB-2018.0392 Original Bulletin: https://access.redhat.com/errata/RHSA-2018:0470 - --------------------------BEGIN INCLUDED TEXT-------------------- - -----BEGIN PGP SIGNED MESSAGE----- Hash: SHA1 ===================================================================== Red Hat Security Advisory Synopsis: Moderate: Red Hat Enterprise MRG Realtime 2.5 security and enhancement update 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 CVE Names: CVE-2018-5332 CVE-2018-5333 ===================================================================== 1. Summary: 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 MRG 2.5. Red Hat Product Security has rated this update as having Moderate security impact. Common Vulnerability Scoring System (CVSS) base scores, which give detailed severity ratings, are available for each vulnerability from the CVE links in the References section. 2. Relevant releases/architectures: Red Hat MRG Realtime for RHEL 6 Server v.2 - noarch, x86_64 3. Description: 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. 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 After installing the update, the system must be restarted for the changes to take effect. 5. Bugs fixed (https://bugzilla.redhat.com/): 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 6. 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/ 7. 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 8. Contact: The Red Hat security contact is <secalert@redhat.com>. More contact details at https://access.redhat.com/security/team/contact/ Copyright 2018 Red Hat, Inc. - -----BEGIN PGP SIGNATURE----- Version: GnuPG v1 iD8DBQFapoL7XlSAg2UNWIIRAt4SAKDE8z3P325lW80eQF9ULwT06P48EwCbByPA qDxbxH9NxhtZYBNsi4xL+js= =Cmpf - -----END PGP SIGNATURE----- - --------------------------END INCLUDED TEXT-------------------- You have received this e-mail bulletin as a result of your organisation's registration with AusCERT. The mailing list you are subscribed to is maintained within your organisation, so if you do not wish to continue receiving these bulletins you should contact your local IT manager. If you do not know who that is, please send an email to auscert@auscert.org.au and we will forward your request to the appropriate person. NOTE: Third Party Rights This security bulletin is provided as a service to AusCERT's members. As AusCERT did not write the document quoted above, AusCERT has had no control over its content. The decision to follow or act on information or advice contained in this security bulletin is the responsibility of each user or organisation, and should be considered in accordance with your organisation's site policies and procedures. AusCERT takes no responsibility for consequences which may arise from following or acting on information or advice contained in this security bulletin. NOTE: This is only the original release of the security bulletin. It may not be updated when updates to the original are made. If downloading at a later date, it is recommended that the bulletin is retrieved directly from the author's website to ensure that the information is still current. Contact information for the authors of the original document is included in the Security Bulletin above. If you have any questions or need further information, please contact them directly. Previous advisories and external security bulletins can be retrieved from: https://www.auscert.org.au/bulletins/ =========================================================================== Australian Computer Emergency Response Team The University of Queensland Brisbane Qld 4072 Internet Email: auscert@auscert.org.au Facsimile: (07) 3365 7031 Telephone: (07) 3365 4417 (International: +61 7 3365 4417) AusCERT personnel answer during Queensland business hours which are GMT+10:00 (AEST). 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