Synopsis
Important: kernel security update
Type/Severity
Security Advisory: Important
Topic
An update for kernel is now available for Red Hat Enterprise Linux 7.6 Extended Update Support.
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.
Description
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.
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.
Affected Products
-
Red Hat Enterprise Linux for x86_64 - Extended Update Support 7.6 x86_64
-
Red Hat Enterprise Linux Server - AUS 7.6 x86_64
-
Red Hat Enterprise Linux for IBM z Systems - Extended Update Support 7.6 s390x
-
Red Hat Enterprise Linux for Power, big endian - Extended Update Support 7.6 ppc64
-
Red Hat Enterprise Linux EUS Compute Node 7.6 x86_64
-
Red Hat Enterprise Linux for Power, little endian - Extended Update Support 7.6 ppc64le
-
Red Hat Enterprise Linux Server - TUS 7.6 x86_64
-
Red Hat Enterprise Linux Server (for IBM Power LE) - Update Services for SAP Solutions 7.6 ppc64le
-
Red Hat Enterprise Linux Server - Update Services for SAP Solutions 7.6 x86_64
-
Red Hat Virtualization Host - Extended Update Support 4.2 for RHEL 7.6 x86_64
Fixes
- BZ - 1646768 - CVE-2018-12207 hw: Machine Check Error on Page Size Change (IPU)
- BZ - 1724393 - CVE-2019-0154 hw: Intel GPU Denial Of Service while accessing MMIO in lower power state
- BZ - 1753062 - CVE-2019-11135 hw: TSX Transaction Asynchronous Abort (TAA)
CVEs
References
Vulmon