RedHat: RHSA-2020-2777:01 Moderate: kernel-rt security and bug fix update
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)
Summary
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.
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/
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.
Topic
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