RHSA-2020:2777: Moderate: kernel-rt security and bug fix update

Published Jul 1, 2020
·
Updated

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 usbgetextradescriptor() 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)

Affected Software

14 affected componentsFixes available
redhat/kernel-rt<3.10.0-693.69.1.rt56.667.el6
3.10.0-693.69.1.rt56.667.el6
redhat/kernel-rt-debug<3.10.0-693.69.1.rt56.667.el6
3.10.0-693.69.1.rt56.667.el6
redhat/kernel-rt-debug-debuginfo<3.10.0-693.69.1.rt56.667.el6
3.10.0-693.69.1.rt56.667.el6
redhat/kernel-rt-debug-devel<3.10.0-693.69.1.rt56.667.el6
3.10.0-693.69.1.rt56.667.el6
redhat/kernel-rt-debuginfo<3.10.0-693.69.1.rt56.667.el6
3.10.0-693.69.1.rt56.667.el6
redhat/kernel-rt-devel<3.10.0-693.69.1.rt56.667.el6
3.10.0-693.69.1.rt56.667.el6
redhat/kernel-rt-doc<3.10.0-693.69.1.rt56.667.el6
3.10.0-693.69.1.rt56.667.el6
redhat/kernel-rt-firmware<3.10.0-693.69.1.rt56.667.el6
3.10.0-693.69.1.rt56.667.el6
redhat/kernel-rt-trace<3.10.0-693.69.1.rt56.667.el6
3.10.0-693.69.1.rt56.667.el6
redhat/kernel-rt-trace-debuginfo<3.10.0-693.69.1.rt56.667.el6
3.10.0-693.69.1.rt56.667.el6
redhat/kernel-rt-trace-devel<3.10.0-693.69.1.rt56.667.el6
3.10.0-693.69.1.rt56.667.el6
redhat/kernel-rt-vanilla<3.10.0-693.69.1.rt56.667.el6
3.10.0-693.69.1.rt56.667.el6
redhat/kernel-rt-vanilla-debuginfo<3.10.0-693.69.1.rt56.667.el6
3.10.0-693.69.1.rt56.667.el6
redhat/kernel-rt-vanilla-devel<3.10.0-693.69.1.rt56.667.el6
3.10.0-693.69.1.rt56.667.el6

Remediation

Event History

Dec 4, 2025
Advisory Published
via Red Hat·12:05 PM
Data Sourced
via Red Hat·12:05 PM
RemedyDescriptionAffected Software
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Frequently Asked Questions

1

What is the severity of RHSA-2020:2777?

The severity of RHSA-2020:2777 is classified as moderate.

2

How do I fix RHSA-2020:2777?

To fix RHSA-2020:2777, update the affected kernel-rt packages to version 3.10.0-693.69.1.rt56.667.el6.

3

What vulnerability is addressed by RHSA-2020:2777?

RHSA-2020:2777 addresses a vulnerability related to a missing size check in the __usb_get_extra_descriptor() function, which can lead to denial of service (CVE-2018-20169).

4

Which packages are affected by RHSA-2020:2777?

The affected packages for RHSA-2020:2777 include kernel-rt, kernel-rt-debug, and several other kernel-rt related packages.

5

Is RHSA-2020:2777 related to USB vulnerabilities?

Yes, RHSA-2020:2777 is related to USB vulnerabilities due to the missing size check in the USB function mentioned.

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