RHSA-2020:2831: Important: kernel security and bug fix update
The kernel packages contain the Linux kernel, the core of any Linux operating system.Security Fix(es): Kernel: vfio: access to disabled MMIO space of some devices may lead to DoS scenario (CVE-2020-12888) 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): kernel: hw: provide reporting and microcode mitigation toggle for CVE-2020-0543 / Special Register Buffer Data Sampling (SRBDS) (BZ#1840674)
Affected Software
Remediation
Event History
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.