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Red Hat MRG: RHSA-2020-2777-01 Moderate: Kernel-RT DoS Bug Fix

red hat
Calendar Grey July 1, 2020
Dist Redhat Esm H88
A new release for kernel-rt tackles key security vulnerabilities and resolves various bugs in Red Hat Enterprise MRG version 2 platforms.
An update for kernel-rt is now available for Red Hat Enterprise MRG 2

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):
* kernel: usb: missing size check in the __usb_get_extra_descriptor() leading to DoS (CVE-2018-20169)
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.
Bug Fix(es):
* update the MRG 2.5.z 3.10 realtime-kernel sources (BZ#1837733)
* kernel: hw: provide reporting and microcode mitigation toggle for CVE-2020-0543 / Special Register Buffer Data Sampling (SRBDS) [mrg-2.5.z] (BZ#1840691)

Topics%20covered

Topics Covered

security advisory Red Hat kernel update bug fix DoS security impact Moderate

References

https://access.redhat.com/security/cve/CVE-2018-20169 https://access.redhat.com/security/updates/classification/#moderate https://access.redhat.com/solutions/5142691

Package List

Red Hat MRG Realtime for RHEL 6 Server v.2:
Source: kernel-rt-3.10.0-693.69.1.rt56.667.el6rt.src.rpm
noarch: kernel-rt-doc-3.10.0-693.69.1.rt56.667.el6rt.noarch.rpm kernel-rt-firmware-3.10.0-693.69.1.rt56.667.el6rt.noarch.rpm
x86_64: kernel-rt-3.10.0-693.69.1.rt56.667.el6rt.x86_64.rpm kernel-rt-debug-3.10.0-693.69.1.rt56.667.el6rt.x86_64.rpm kernel-rt-debug-debuginfo-3.10.0-693.69.1.rt56.667.el6rt.x86_64.rpm kernel-rt-debug-devel-3.10.0-693.69.1.rt56.667.el6rt.x86_64.rpm kernel-rt-debuginfo-3.10.0-693.69.1.rt56.667.el6rt.x86_64.rpm kernel-rt-debuginfo-common-x86_64-3.10.0-693.69.1.rt56.667.el6rt.x86_64.rpm kernel-rt-devel-3.10.0-693.69.1.rt56.667.el6rt.x86_64.rpm kernel-rt-trace-3.10.0-693.69.1.rt56.667.el6rt.x86_64.rpm kernel-rt-trace-debuginfo-3.10.0-693.69.1.rt56.667.el6rt.x86_64.rpm kernel-rt-trace-devel-3.10.0-693.69.1.rt56.667.el6rt.x86_64.rpm kernel-rt-vanilla-3.10.0-693.69.1.rt56.667.el6rt.x86_64.rpm kernel-rt-vanilla-debuginfo-3.10.0-693.69.1.rt56.667.el6rt.x86_64.rpm kernel-rt-vanilla-devel-3.10.0-693.69.1.rt56.667.el6rt.x86_64.rpm
These packages are GPG signed by Red Hat for security. Our key and details on how to verify the signature are available from https://access.redhat.com/security/team/key/


Advisory ID: RHSA-2020:2777-01
Product: Red Hat Enterprise MRG for RHEL-6
Advisory URL: https://access.redhat.com/errata/RHSA-2020:2777
Issue date: 2020-07-01

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 impactof Moderate. A Common Vulnerability Scoring System (CVSS) base score, whichgives a detailed severity rating, is available for each vulnerability fromthe CVE link(s) in the References section.

Topics%20covered

Topics Covered

security advisory Red Hat kernel update bug fix DoS security impact Moderate

Relevant Releases Architectures

Red Hat MRG Realtime for RHEL 6 Server v.2 - noarch, x86_64

Bugs Fixed

1660385 - CVE-2018-20169 kernel: usb: missing size check in the __usb_get_extra_descriptor() leading to DoS

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