- Vulnerability/
- RHSA-2020:2831
RHSA-2020:2831: Important: kernel security and bug fix update
First published: Tue Jul 07 2020(Updated: )
The kernel packages contain the Linux kernel, the core of any Linux operating system.<br>Security Fix(es):<br><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: hw: provide reporting and microcode mitigation toggle for CVE-2020-0543 / Special Register Buffer Data Sampling (SRBDS) (BZ#1840674)</li>
| Affected Software | Affected Version | How to fix |
|---|---|---|
| redhat/kernel | <3.10.0-327.89.1.el7 | 3.10.0-327.89.1.el7 |
| redhat/kernel | <3.10.0-327.89.1.el7 | 3.10.0-327.89.1.el7 |
| redhat/kernel-abi-whitelists | <3.10.0-327.89.1.el7 | 3.10.0-327.89.1.el7 |
| redhat/kernel-debug | <3.10.0-327.89.1.el7 | 3.10.0-327.89.1.el7 |
| redhat/kernel-debug-debuginfo | <3.10.0-327.89.1.el7 | 3.10.0-327.89.1.el7 |
| redhat/kernel-debug-devel | <3.10.0-327.89.1.el7 | 3.10.0-327.89.1.el7 |
| redhat/kernel-debuginfo | <3.10.0-327.89.1.el7 | 3.10.0-327.89.1.el7 |
| redhat/kernel-devel | <3.10.0-327.89.1.el7 | 3.10.0-327.89.1.el7 |
| redhat/kernel-doc | <3.10.0-327.89.1.el7 | 3.10.0-327.89.1.el7 |
| redhat/kernel-headers | <3.10.0-327.89.1.el7 | 3.10.0-327.89.1.el7 |
| redhat/kernel-tools | <3.10.0-327.89.1.el7 | 3.10.0-327.89.1.el7 |
| redhat/kernel-tools-debuginfo | <3.10.0-327.89.1.el7 | 3.10.0-327.89.1.el7 |
| redhat/kernel-tools-libs | <3.10.0-327.89.1.el7 | 3.10.0-327.89.1.el7 |
| redhat/kernel-tools-libs-devel | <3.10.0-327.89.1.el7 | 3.10.0-327.89.1.el7 |
| redhat/perf | <3.10.0-327.89.1.el7 | 3.10.0-327.89.1.el7 |
| redhat/perf-debuginfo | <3.10.0-327.89.1.el7 | 3.10.0-327.89.1.el7 |
| redhat/python-perf | <3.10.0-327.89.1.el7 | 3.10.0-327.89.1.el7 |
| redhat/python-perf-debuginfo | <3.10.0-327.89.1.el7 | 3.10.0-327.89.1.el7 |
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Reference Links
Frequently Asked Questions
What is the severity of RHSA-2020:2831?
The severity of RHSA-2020:2831 is classified as important.
How do I fix RHSA-2020:2831?
To fix RHSA-2020:2831, update the kernel package to version 3.10.0-327.89.1.el7 or later.
What does the vulnerability RHSA-2020:2831 involve?
RHSA-2020:2831 involves a vulnerability in the kernel that allows access to disabled MMIO space, potentially leading to a denial of service scenario.
Which packages are affected by RHSA-2020:2831?
Affected packages by RHSA-2020:2831 include the kernel, kernel-debug, kernel-devel, and various kernel tool packages.
Is a system reboot required after resolving RHSA-2020:2831?
Yes, a system reboot is usually required after updating the kernel to fully apply the security fixes from RHSA-2020:2831.
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