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RedHat RHEL 8: RHSA-2019:3870-01 Important: Kernel-Rt Arbitrary Write

red hat
Calendar Grey November 13, 2019
Dist Redhat Esm H88
-----BEGIN PGP SIGNED MESSAGE-----Hash: SHA256 =====================================================
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

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.

Summary

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.

Topics%20covered

Topics Covered

security advisory important Red Hat Enterprise kernel-rt arbitrary write

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

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


Read the Full Advisory


Severity
important
Lowest
Low
Medium
High
Critical

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

Topic

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.

Topics%20covered

Topics Covered

security advisory important Red Hat Enterprise kernel-rt arbitrary write

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

Bugs Fixed

1724398 - CVE-2019-0155 hw: Intel GPU blitter manipulation can allow for arbitrary kernel memory write

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