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AUSCERT External Security Bulletin Redistribution
ESB-2019.4278
kernel-rt security update
14 November 2019
===========================================================================
AusCERT Security Bulletin Summary
---------------------------------
Product: linux kernel-rt
Publisher: Red Hat
Operating System: Red Hat Enterprise Linux Server 8
Red Hat Enterprise Linux WS/Desktop 8
Impact/Access: Root Compromise -- Existing Account
Resolution: Patch/Upgrade
CVE Names: CVE-2019-0155
Reference: ASB-2019.0318
ESB-2019.4275
ESB-2019.4274
ESB-2019.4273
ESB-2019.4272
ESB-2019.4271
Original Bulletin:
https://access.redhat.com/errata/RHSA-2019:3870
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Red Hat Security Advisory
Synopsis: Important: kernel-rt security update
Advisory ID: RHSA-2019:3870-01
Product: Red Hat Enterprise Linux
Advisory URL: https://access.redhat.com/errata/RHSA-2019:3870
Issue date: 2019-11-13
CVE Names: CVE-2019-0155
======================================================================
1. Summary:
An update for kernel-rt is now available for Red Hat Enterprise Linux 8.
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 Real Time (v. 8) - x86_64
Red Hat Enterprise Linux Real Time for NFV (v. 8) - 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 ar=
bitrary kernel memory write
6. Package List:
Red Hat Enterprise Linux Real Time for NFV (v. 8):
Source:
kernel-rt-4.18.0-147.0.3.rt24.95.el8_1.src.rpm
x86_64:
kernel-rt-4.18.0-147.0.3.rt24.95.el8_1.x86_64.rpm
kernel-rt-core-4.18.0-147.0.3.rt24.95.el8_1.x86_64.rpm
kernel-rt-debug-4.18.0-147.0.3.rt24.95.el8_1.x86_64.rpm
kernel-rt-debug-core-4.18.0-147.0.3.rt24.95.el8_1.x86_64.rpm
kernel-rt-debug-debuginfo-4.18.0-147.0.3.rt24.95.el8_1.x86_64.rpm
kernel-rt-debug-devel-4.18.0-147.0.3.rt24.95.el8_1.x86_64.rpm
kernel-rt-debug-kvm-4.18.0-147.0.3.rt24.95.el8_1.x86_64.rpm
kernel-rt-debug-kvm-debuginfo-4.18.0-147.0.3.rt24.95.el8_1.x86_64.rpm
kernel-rt-debug-modules-4.18.0-147.0.3.rt24.95.el8_1.x86_64.rpm
kernel-rt-debug-modules-extra-4.18.0-147.0.3.rt24.95.el8_1.x86_64.rpm
kernel-rt-debuginfo-4.18.0-147.0.3.rt24.95.el8_1.x86_64.rpm
kernel-rt-debuginfo-common-x86_64-4.18.0-147.0.3.rt24.95.el8_1.x86_64.rpm
kernel-rt-devel-4.18.0-147.0.3.rt24.95.el8_1.x86_64.rpm
kernel-rt-kvm-4.18.0-147.0.3.rt24.95.el8_1.x86_64.rpm
kernel-rt-kvm-debuginfo-4.18.0-147.0.3.rt24.95.el8_1.x86_64.rpm
kernel-rt-modules-4.18.0-147.0.3.rt24.95.el8_1.x86_64.rpm
kernel-rt-modules-extra-4.18.0-147.0.3.rt24.95.el8_1.x86_64.rpm
Red Hat Enterprise Linux Real Time (v. 8):
Source:
kernel-rt-4.18.0-147.0.3.rt24.95.el8_1.src.rpm
x86_64:
kernel-rt-4.18.0-147.0.3.rt24.95.el8_1.x86_64.rpm
kernel-rt-core-4.18.0-147.0.3.rt24.95.el8_1.x86_64.rpm
kernel-rt-debug-4.18.0-147.0.3.rt24.95.el8_1.x86_64.rpm
kernel-rt-debug-core-4.18.0-147.0.3.rt24.95.el8_1.x86_64.rpm
kernel-rt-debug-debuginfo-4.18.0-147.0.3.rt24.95.el8_1.x86_64.rpm
kernel-rt-debug-devel-4.18.0-147.0.3.rt24.95.el8_1.x86_64.rpm
kernel-rt-debug-kvm-debuginfo-4.18.0-147.0.3.rt24.95.el8_1.x86_64.rpm
kernel-rt-debug-modules-4.18.0-147.0.3.rt24.95.el8_1.x86_64.rpm
kernel-rt-debug-modules-extra-4.18.0-147.0.3.rt24.95.el8_1.x86_64.rpm
kernel-rt-debuginfo-4.18.0-147.0.3.rt24.95.el8_1.x86_64.rpm
kernel-rt-debuginfo-common-x86_64-4.18.0-147.0.3.rt24.95.el8_1.x86_64.rpm
kernel-rt-devel-4.18.0-147.0.3.rt24.95.el8_1.x86_64.rpm
kernel-rt-kvm-debuginfo-4.18.0-147.0.3.rt24.95.el8_1.x86_64.rpm
kernel-rt-modules-4.18.0-147.0.3.rt24.95.el8_1.x86_64.rpm
kernel-rt-modules-extra-4.18.0-147.0.3.rt24.95.el8_1.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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