Explore top 10 tips to secure your open-source projects now. Read More

×
Alerts This Week
Warning Icon 1 554
Alerts This Week
Warning Icon 1 554

Red Hat Enterprise Linux 8: RHSA-2019-3832-01 Critical Kernel DoS Issue

red hat
Calendar Grey November 12, 2019
Dist Redhat Esm H88
Crucial kernel upgrade for Red Hat Enterprise Linux arrives, addressing significant security vulnerabilities. System reboot is necessary.
An update for kernel 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 packages contain the Linux kernel, the core of any Linux operating system.
Security Fix(es):
* hw: Machine Check Error on Page Size Change (IFU) (CVE-2018-12207)
* hw: TSX Transaction Asynchronous Abort (TAA) (CVE-2019-11135)
* hw: Intel GPU Denial Of Service while accessing MMIO in lower power state (CVE-2019-0154)
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 Red Hat update DoS important kernel machine check error

References

https://access.redhat.com/security/cve/CVE-2018-12207 https://access.redhat.com/security/cve/CVE-2019-0154 https://access.redhat.com/security/cve/CVE-2019-11135 https://access.redhat.com/security/updates/classification#important https://access.redhat.com/security/vulnerabilities/ifu-page-mce https://access.redhat.com/articles/tsx-asynchronousabort https://access.redhat.com/solutions/i915-graphics

Package List

Red Hat Enterprise Linux BaseOS (v. 8):
Source: kernel-4.18.0-147.0.2.el8_1.src.rpm
aarch64: bpftool-4.18.0-147.0.2.el8_1.aarch64.rpm bpftool-debuginfo-4.18.0-147.0.2.el8_1.aarch64.rpm kernel-4.18.0-147.0.2.el8_1.aarch64.rpm kernel-core-4.18.0-147.0.2.el8_1.aarch64.rpm kernel-cross-headers-4.18.0-147.0.2.el8_1.aarch64.rpm kernel-debug-4.18.0-147.0.2.el8_1.aarch64.rpm kernel-debug-core-4.18.0-147.0.2.el8_1.aarch64.rpm kernel-debug-debuginfo-4.18.0-147.0.2.el8_1.aarch64.rpm kernel-debug-devel-4.18.0-147.0.2.el8_1.aarch64.rpm kernel-debug-modules-4.18.0-147.0.2.el8_1.aarch64.rpm kernel-debug-modules-extra-4.18.0-147.0.2.el8_1.aarch64.rpm kernel-debuginfo-4.18.0-147.0.2.el8_1.aarch64.rpm kernel-debuginfo-common-aarch64-4.18.0-147.0.2.el8_1.aarch64.rpm kernel-devel-4.18.0-147.0.2.el8_1.aarch64.rpm kernel-headers-4.18.0-147.0.2.el8_1.aarch64.rpm kernel-modules-4.18.0-147.0.2.el8_1.aarch64.rpm kernel-modules-extra-4.18.0-147.0.2.el8_1.aarch64.rpm kernel-tools-4.18.0-147.0.2.el8_1.aarch64.rpm kernel-tools-debuginfo-4.18.0-147.0.2.el8_1.aarch64.rpm kernel-tools-libs-4.18.0-147.0.2.el8_1.aarch64.rpm perf-4.18.0-147.0.2.el8_1.aarch64.rpm perf-debuginfo-4.18.0-147.0.2.el8_1.aarch64.rpm python3-perf-4.18.0-147.0.2.el8_1.aarch64.rpm

Read the Full Advisory


Severity
important
Lowest
Low
Medium
High
Critical

Advisory ID: RHSA-2019:3832-01
Product: Red Hat Enterprise Linux
Advisory URL: https://access.redhat.com/errata/RHSA-2019:3832
Issue date: 2019-11-12

Topic

An update for kernel 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 Red Hat update DoS important kernel machine check error

Relevant Releases Architectures

Red Hat CodeReady Linux Builder (v. 8) - aarch64, ppc64le, x86_64

Red Hat Enterprise Linux BaseOS (v. 8) - aarch64, noarch, ppc64le, s390x, x86_64

Bugs Fixed

1646768 - CVE-2018-12207 hw: Machine Check Error on Page Size Change (IPU)

1724393 - CVE-2019-0154 hw: Intel GPU Denial Of Service while accessing MMIO in lower power state

1753062 - CVE-2019-11135 hw: TSX Transaction Asynchronous Abort (TAA)

Get the latest News and Insights

Get the latest Linux and open source security news straight to your inbox.