RHSA-2019:3870: Important: kernel-rt security update

Published Nov 13, 2019
·
Updated

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.

Affected Software

17 affected componentsFixes available
redhat/kernel-rt<4.18.0-147.0.3.rt24.95.el8_1
4.18.0-147.0.3.rt24.95.el8_1
redhat/kernel-rt<4.18.0-147.0.3.rt24.95.el8_1
4.18.0-147.0.3.rt24.95.el8_1
redhat/kernel-rt-core<4.18.0-147.0.3.rt24.95.el8_1
4.18.0-147.0.3.rt24.95.el8_1
redhat/kernel-rt-debug<4.18.0-147.0.3.rt24.95.el8_1
4.18.0-147.0.3.rt24.95.el8_1
redhat/kernel-rt-debug-core<4.18.0-147.0.3.rt24.95.el8_1
4.18.0-147.0.3.rt24.95.el8_1
redhat/kernel-rt-debug-debuginfo<4.18.0-147.0.3.rt24.95.el8_1
4.18.0-147.0.3.rt24.95.el8_1
redhat/kernel-rt-debug-devel<4.18.0-147.0.3.rt24.95.el8_1
4.18.0-147.0.3.rt24.95.el8_1
redhat/kernel-rt-debug-kvm-debuginfo<4.18.0-147.0.3.rt24.95.el8_1
4.18.0-147.0.3.rt24.95.el8_1
redhat/kernel-rt-debug-modules<4.18.0-147.0.3.rt24.95.el8_1
4.18.0-147.0.3.rt24.95.el8_1
redhat/kernel-rt-debug-modules-extra<4.18.0-147.0.3.rt24.95.el8_1
4.18.0-147.0.3.rt24.95.el8_1
redhat/kernel-rt-debuginfo<4.18.0-147.0.3.rt24.95.el8_1
4.18.0-147.0.3.rt24.95.el8_1
redhat/kernel-rt-devel<4.18.0-147.0.3.rt24.95.el8_1
4.18.0-147.0.3.rt24.95.el8_1
redhat/kernel-rt-kvm-debuginfo<4.18.0-147.0.3.rt24.95.el8_1
4.18.0-147.0.3.rt24.95.el8_1
redhat/kernel-rt-modules<4.18.0-147.0.3.rt24.95.el8_1
4.18.0-147.0.3.rt24.95.el8_1
redhat/kernel-rt-modules-extra<4.18.0-147.0.3.rt24.95.el8_1
4.18.0-147.0.3.rt24.95.el8_1
redhat/kernel-rt-debug-kvm<4.18.0-147.0.3.rt24.95.el8_1
4.18.0-147.0.3.rt24.95.el8_1
redhat/kernel-rt-kvm<4.18.0-147.0.3.rt24.95.el8_1
4.18.0-147.0.3.rt24.95.el8_1

Remediation

Event History

Nov 13, 2019
Advisory Published
via Red Hat·12:00 AM
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Frequently Asked Questions

1

What is the severity of RHSA-2019:3870?

The severity of RHSA-2019:3870 is classified as Important.

2

How do I fix RHSA-2019:3870?

You can fix RHSA-2019:3870 by upgrading to the kernel-rt package version 4.18.0-147.0.3.rt24.95.el8_1.

3

What vulnerabilities does RHSA-2019:3870 address?

RHSA-2019:3870 addresses a vulnerability related to Intel GPU blitter manipulation that can allow for arbitrary kernel memory write (CVE-2019-0155).

4

Which systems are affected by RHSA-2019:3870?

RHSA-2019:3870 affects systems running the Real Time Linux Kernel, specifically the kernel-rt package and associated components.

5

Is there a workaround for RHSA-2019:3870?

There are no official workarounds for RHSA-2019:3870; the recommended action is to apply the security fix.

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