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AUSCERT External Security Bulletin Redistribution
ESB-2019.4385
kernel-rt security update
20 November 2019
===========================================================================
AusCERT Security Bulletin Summary
---------------------------------
Product: linux kernel-rt
Publisher: Red Hat
Operating System: Red Hat
Impact/Access: Root Compromise -- Existing Account
Resolution: Patch/Upgrade
CVE Names: CVE-2019-0155
Reference: ASB-2019.0318
ESB-2019.4333
ESB-2019.4286
ESB-2019.4278
ESB-2019.4274
ESB-2019.4272
Original Bulletin:
https://access.redhat.com/errata/RHSA-2019:3908
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Red Hat Security Advisory
Synopsis: Important: kernel-rt security update
Advisory ID: RHSA-2019:3908-01
Product: Red Hat Enterprise MRG for RHEL-6
Advisory URL: https://access.redhat.com/errata/RHSA-2019:3908
Issue date: 2019-11-19
CVE Names: CVE-2019-0155
======================================================================
1. Summary:
An update for kernel-rt is now available for Red Hat Enterprise MRG 2.
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 MRG Realtime for RHEL 6 Server v.2 - noarch, x86_64
3. Description:
The kernel-rt packages provide the Real Time Linux Kernel, which enables
fine-tuning for systems with extremely high determinism requirements.
Security Fix(es):
* hw: Intel GPU blitter manipulation can allow for arbitrary kernel memory
write (CVE-2019-0155)
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/):
1724398 - CVE-2019-0155 hw: Intel GPU blitter manipulation can allow for
arbitrary kernel memory write
6. Package List:
Red Hat MRG Realtime for RHEL 6 Server v.2:
Source:
kernel-rt-3.10.0-693.60.3.rt56.655.el6rt.src.rpm
noarch:
kernel-rt-doc-3.10.0-693.60.3.rt56.655.el6rt.noarch.rpm
kernel-rt-firmware-3.10.0-693.60.3.rt56.655.el6rt.noarch.rpm
x86_64:
kernel-rt-3.10.0-693.60.3.rt56.655.el6rt.x86_64.rpm
kernel-rt-debug-3.10.0-693.60.3.rt56.655.el6rt.x86_64.rpm
kernel-rt-debug-debuginfo-3.10.0-693.60.3.rt56.655.el6rt.x86_64.rpm
kernel-rt-debug-devel-3.10.0-693.60.3.rt56.655.el6rt.x86_64.rpm
kernel-rt-debuginfo-3.10.0-693.60.3.rt56.655.el6rt.x86_64.rpm
kernel-rt-debuginfo-common-x86_64-3.10.0-693.60.3.rt56.655.el6rt.x86_64.rpm
kernel-rt-devel-3.10.0-693.60.3.rt56.655.el6rt.x86_64.rpm
kernel-rt-trace-3.10.0-693.60.3.rt56.655.el6rt.x86_64.rpm
kernel-rt-trace-debuginfo-3.10.0-693.60.3.rt56.655.el6rt.x86_64.rpm
kernel-rt-trace-devel-3.10.0-693.60.3.rt56.655.el6rt.x86_64.rpm
kernel-rt-vanilla-3.10.0-693.60.3.rt56.655.el6rt.x86_64.rpm
kernel-rt-vanilla-debuginfo-3.10.0-693.60.3.rt56.655.el6rt.x86_64.rpm
kernel-rt-vanilla-devel-3.10.0-693.60.3.rt56.655.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-2019-0155
https://access.redhat.com/security/updates/classification/#important
https://access.redhat.com/solutions/i915-graphics
8. Contact:
The Red Hat security contact is <secalert@redhat.com>. More contact
details at https://access.redhat.com/security/team/contact/
Copyright 2019 Red Hat, Inc.
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