RHSA-2020:3230: Important: kernel security and bug fix update
First published: Wed Jul 29 2020(Updated: )
The kernel packages contain the Linux kernel, the core of any Linux operating system.<br>Security Fix(es):<br><li> kernel: Count overflow in FUSE request leading to use-after-free issues. (CVE-2019-11487)</li> <li> Kernel: vfio: access to disabled MMIO space of some devices may lead to DoS scenario (CVE-2020-12888)</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> kernel: provide infrastructure to support dual-signing of the kernel (foundation to help address CVE-2020-10713) (BZ#1837426)</li>
| Affected Software | Affected Version | How to fix |
|---|---|---|
| redhat/kernel | <3.10.0-693.71.2.el7 | 3.10.0-693.71.2.el7 |
| redhat/kernel | <3.10.0-693.71.2.el7 | 3.10.0-693.71.2.el7 |
| redhat/kernel-abi-whitelists | <3.10.0-693.71.2.el7 | 3.10.0-693.71.2.el7 |
| redhat/kernel-debug | <3.10.0-693.71.2.el7 | 3.10.0-693.71.2.el7 |
| redhat/kernel-debug-debuginfo | <3.10.0-693.71.2.el7 | 3.10.0-693.71.2.el7 |
| redhat/kernel-debug-devel | <3.10.0-693.71.2.el7 | 3.10.0-693.71.2.el7 |
| redhat/kernel-debuginfo | <3.10.0-693.71.2.el7 | 3.10.0-693.71.2.el7 |
| redhat/kernel-devel | <3.10.0-693.71.2.el7 | 3.10.0-693.71.2.el7 |
| redhat/kernel-doc | <3.10.0-693.71.2.el7 | 3.10.0-693.71.2.el7 |
| redhat/kernel-headers | <3.10.0-693.71.2.el7 | 3.10.0-693.71.2.el7 |
| redhat/kernel-tools | <3.10.0-693.71.2.el7 | 3.10.0-693.71.2.el7 |
| redhat/kernel-tools-debuginfo | <3.10.0-693.71.2.el7 | 3.10.0-693.71.2.el7 |
| redhat/kernel-tools-libs | <3.10.0-693.71.2.el7 | 3.10.0-693.71.2.el7 |
| redhat/kernel-tools-libs-devel | <3.10.0-693.71.2.el7 | 3.10.0-693.71.2.el7 |
| redhat/perf | <3.10.0-693.71.2.el7 | 3.10.0-693.71.2.el7 |
| redhat/perf-debuginfo | <3.10.0-693.71.2.el7 | 3.10.0-693.71.2.el7 |
| redhat/python-perf | <3.10.0-693.71.2.el7 | 3.10.0-693.71.2.el7 |
| redhat/python-perf-debuginfo | <3.10.0-693.71.2.el7 | 3.10.0-693.71.2.el7 |
| redhat/kernel | <3.10.0-693.71.2.el7 | 3.10.0-693.71.2.el7 |
| redhat/kernel-bootwrapper | <3.10.0-693.71.2.el7 | 3.10.0-693.71.2.el7 |
| redhat/kernel-debug | <3.10.0-693.71.2.el7 | 3.10.0-693.71.2.el7 |
| redhat/kernel-debug-debuginfo | <3.10.0-693.71.2.el7 | 3.10.0-693.71.2.el7 |
| redhat/kernel-debug-devel | <3.10.0-693.71.2.el7 | 3.10.0-693.71.2.el7 |
| redhat/kernel-debuginfo | <3.10.0-693.71.2.el7 | 3.10.0-693.71.2.el7 |
| redhat/kernel-debuginfo-common-ppc64le | <3.10.0-693.71.2.el7 | 3.10.0-693.71.2.el7 |
| redhat/kernel-devel | <3.10.0-693.71.2.el7 | 3.10.0-693.71.2.el7 |
| redhat/kernel-headers | <3.10.0-693.71.2.el7 | 3.10.0-693.71.2.el7 |
| redhat/kernel-tools | <3.10.0-693.71.2.el7 | 3.10.0-693.71.2.el7 |
| redhat/kernel-tools-debuginfo | <3.10.0-693.71.2.el7 | 3.10.0-693.71.2.el7 |
| redhat/kernel-tools-libs | <3.10.0-693.71.2.el7 | 3.10.0-693.71.2.el7 |
| redhat/kernel-tools-libs-devel | <3.10.0-693.71.2.el7 | 3.10.0-693.71.2.el7 |
| redhat/perf | <3.10.0-693.71.2.el7 | 3.10.0-693.71.2.el7 |
| redhat/perf-debuginfo | <3.10.0-693.71.2.el7 | 3.10.0-693.71.2.el7 |
| redhat/python-perf | <3.10.0-693.71.2.el7 | 3.10.0-693.71.2.el7 |
| redhat/python-perf-debuginfo | <3.10.0-693.71.2.el7 | 3.10.0-693.71.2.el7 |
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Reference Links
Frequently Asked Questions
What is the severity of RHSA-2020:3230?
The severity of RHSA-2020:3230 is classified as important.
What vulnerability is addressed by RHSA-2020:3230?
RHSA-2020:3230 addresses a count overflow in FUSE requests leading to use-after-free issues (CVE-2019-11487).
How do I fix RHSA-2020:3230?
To fix RHSA-2020:3230, update to the latest kernel version 3.10.0-693.71.2.el7 or later.
Which packages are affected by RHSA-2020:3230?
The affected packages include kernel, kernel-debug, kernel-devel, and kernel-headers among others in version 3.10.0-693.71.2.el7.
What are the impacts of not addressing RHSA-2020:3230?
Not addressing RHSA-2020:3230 can lead to potential security vulnerabilities that may be exploited, compromising the system's integrity.
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