Issued:
2019-11-12
Updated:
2019-11-12

RHSA-2019:3844 - Security Advisory

Synopsis

Important: kernel-rt security update

Type/Severity

Security Advisory: Important

Topic

An update for kernel-rt is now available for Red Hat Enterprise MRG 2.

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-rt packages provide the Real Time Linux Kernel, which enables fine-tuning for systems with extremely high determinism requirements.

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

  • MRG Realtime 2 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

MRG Realtime 2

SRPM
kernel-rt-3.10.0-693.60.2.rt56.655.el6rt.src.rpm SHA-256: c8b27c675fb9e4c0f27e126441e2b7b3a682e37e6b70bb1f9e42e4e9ca8b6a5b
x86_64
kernel-rt-3.10.0-693.60.2.rt56.655.el6rt.x86_64.rpm SHA-256: ae410cdc43e359dee8204cd10f38123ef1bb02c3cc88a49af6077388408fb1db
kernel-rt-debug-3.10.0-693.60.2.rt56.655.el6rt.x86_64.rpm SHA-256: 3fc0e4be124714dc5887f85cd5cc8ee2c857819a7031fc9f22ce39fb8cffd90a
kernel-rt-debug-debuginfo-3.10.0-693.60.2.rt56.655.el6rt.x86_64.rpm SHA-256: eccb35122b4727d37145dfc6608a05b7f0c11c150f6c8322c116651ead07a7dc
kernel-rt-debug-devel-3.10.0-693.60.2.rt56.655.el6rt.x86_64.rpm SHA-256: 13cf97dcd64f53863897f658125949775ee88c4589514cbe34236f3196feb75d
kernel-rt-debuginfo-3.10.0-693.60.2.rt56.655.el6rt.x86_64.rpm SHA-256: 4c809b9010065eab38fe54d953ba32ca44d2871608b1ffc5e6b2e9dbaed3cb57
kernel-rt-debuginfo-common-x86_64-3.10.0-693.60.2.rt56.655.el6rt.x86_64.rpm SHA-256: 5216ef7b33304c6d510de211c160f030858c63819d92b49b3bbfb98481a4c85e
kernel-rt-devel-3.10.0-693.60.2.rt56.655.el6rt.x86_64.rpm SHA-256: 4c4363995d6b9ffba6b65318660790558c53e01a61f4feb694cdf8da2aa36355
kernel-rt-doc-3.10.0-693.60.2.rt56.655.el6rt.noarch.rpm SHA-256: 949ad694ce34681b9f459c98646ace4beab9e4370de03c0bab100d30f1dacd6e
kernel-rt-firmware-3.10.0-693.60.2.rt56.655.el6rt.noarch.rpm SHA-256: 79b33b6a28cffd1ed73497d4c76475a91f2f6f54830c7215053551183680da59
kernel-rt-trace-3.10.0-693.60.2.rt56.655.el6rt.x86_64.rpm SHA-256: 1925a2b091b20afa4be163e43e705d0bf5dd646fa8c960b6a3628d6341403022
kernel-rt-trace-debuginfo-3.10.0-693.60.2.rt56.655.el6rt.x86_64.rpm SHA-256: 6dcf2990fa3a4a7d582b48c48120c12dc150901a1209a616b653b2ca6c00fb72
kernel-rt-trace-devel-3.10.0-693.60.2.rt56.655.el6rt.x86_64.rpm SHA-256: 984b893ddfe4a242d8bd7fd8a6f5b3390a6dc470bc230cb7c5e0b578c347ff24
kernel-rt-vanilla-3.10.0-693.60.2.rt56.655.el6rt.x86_64.rpm SHA-256: a5b333b1a76dd3c3f1777ab429d9297e9d2a1769b4f856925681f5f6ae048325
kernel-rt-vanilla-debuginfo-3.10.0-693.60.2.rt56.655.el6rt.x86_64.rpm SHA-256: 50830814734fe60acca7ebfc0abcc62ee07adcdde9fea52252972821f7e62719
kernel-rt-vanilla-devel-3.10.0-693.60.2.rt56.655.el6rt.x86_64.rpm SHA-256: d4310805f666f326561209b99824e1aef77ff0ba7a1b9934e28cdd38abe34cfa

The Red Hat security contact is secalert@redhat.com. More contact details at https://access.redhat.com/security/team/contact/.