RHSA-2020:3266: Important: kernel-rt security and bug fix update
First published: Mon Aug 03 2020(Updated: )
The kernel-rt packages provide the Real Time Linux Kernel, which enables fine-tuning for systems with extremely high determinism requirements.<br>Security Fix(es):<br><li> kernel: Count overflow in FUSE request leading to use-after-free issues. (CVE-2019-11487)</li> 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.<br>Bug Fix(es):<br><li> update the MRG 2.5.z 3.10 realtime-kernel sources (BZ#1850280)</li>
| Affected Software | Affected Version | How to fix |
|---|---|---|
| redhat/kernel-rt | <3.10.0-693.71.2.rt56.670.el6 | 3.10.0-693.71.2.rt56.670.el6 |
| redhat/kernel-rt-debug | <3.10.0-693.71.2.rt56.670.el6 | 3.10.0-693.71.2.rt56.670.el6 |
| redhat/kernel-rt-debug-debuginfo | <3.10.0-693.71.2.rt56.670.el6 | 3.10.0-693.71.2.rt56.670.el6 |
| redhat/kernel-rt-debug-devel | <3.10.0-693.71.2.rt56.670.el6 | 3.10.0-693.71.2.rt56.670.el6 |
| redhat/kernel-rt-debuginfo | <3.10.0-693.71.2.rt56.670.el6 | 3.10.0-693.71.2.rt56.670.el6 |
| redhat/kernel-rt-devel | <3.10.0-693.71.2.rt56.670.el6 | 3.10.0-693.71.2.rt56.670.el6 |
| redhat/kernel-rt-doc | <3.10.0-693.71.2.rt56.670.el6 | 3.10.0-693.71.2.rt56.670.el6 |
| redhat/kernel-rt-firmware | <3.10.0-693.71.2.rt56.670.el6 | 3.10.0-693.71.2.rt56.670.el6 |
| redhat/kernel-rt-trace | <3.10.0-693.71.2.rt56.670.el6 | 3.10.0-693.71.2.rt56.670.el6 |
| redhat/kernel-rt-trace-debuginfo | <3.10.0-693.71.2.rt56.670.el6 | 3.10.0-693.71.2.rt56.670.el6 |
| redhat/kernel-rt-trace-devel | <3.10.0-693.71.2.rt56.670.el6 | 3.10.0-693.71.2.rt56.670.el6 |
| redhat/kernel-rt-vanilla | <3.10.0-693.71.2.rt56.670.el6 | 3.10.0-693.71.2.rt56.670.el6 |
| redhat/kernel-rt-vanilla-debuginfo | <3.10.0-693.71.2.rt56.670.el6 | 3.10.0-693.71.2.rt56.670.el6 |
| redhat/kernel-rt-vanilla-devel | <3.10.0-693.71.2.rt56.670.el6 | 3.10.0-693.71.2.rt56.670.el6 |
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Reference Links
Frequently Asked Questions
What is the severity of RHSA-2020:3266?
The severity of RHSA-2020:3266 is classified as important.
How do I fix RHSA-2020:3266?
To fix RHSA-2020:3266, update your kernel-rt packages to version 3.10.0-693.71.2.rt56.670.el6.
What vulnerability does RHSA-2020:3266 address?
RHSA-2020:3266 addresses a count overflow in FUSE request leading to use-after-free issues, identified by CVE-2019-11487.
Which packages are affected by RHSA-2020:3266?
Affected packages include kernel-rt, kernel-rt-debug, kernel-rt-trace, among others, all needing to be updated to the specified version.
When was RHSA-2020:3266 released?
RHSA-2020:3266 was released on December 15, 2020.
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