RHSA-2020:2428: Important: kernel-rt security and bug fix update
First published: Tue Jun 09 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: use-after-free in block/bfq-iosched.c related to bfq_idle_slice_timer_body (CVE-2020-12657)</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#1827193)</li> <li> kernel-rt: update RT source tree to the RHEL-8.2.z1 source tree (BZ#1816271)</li>
| Affected Software | Affected Version | How to fix |
|---|---|---|
| redhat/kernel-rt | <4.18.0-193.6.3.rt13.59.el8_2 | 4.18.0-193.6.3.rt13.59.el8_2 |
| redhat/kernel-rt | <4.18.0-193.6.3.rt13.59.el8_2 | 4.18.0-193.6.3.rt13.59.el8_2 |
| redhat/kernel-rt-core | <4.18.0-193.6.3.rt13.59.el8_2 | 4.18.0-193.6.3.rt13.59.el8_2 |
| redhat/kernel-rt-debug | <4.18.0-193.6.3.rt13.59.el8_2 | 4.18.0-193.6.3.rt13.59.el8_2 |
| redhat/kernel-rt-debug-core | <4.18.0-193.6.3.rt13.59.el8_2 | 4.18.0-193.6.3.rt13.59.el8_2 |
| redhat/kernel-rt-debug-debuginfo | <4.18.0-193.6.3.rt13.59.el8_2 | 4.18.0-193.6.3.rt13.59.el8_2 |
| redhat/kernel-rt-debug-devel | <4.18.0-193.6.3.rt13.59.el8_2 | 4.18.0-193.6.3.rt13.59.el8_2 |
| redhat/kernel-rt-debug-modules | <4.18.0-193.6.3.rt13.59.el8_2 | 4.18.0-193.6.3.rt13.59.el8_2 |
| redhat/kernel-rt-debug-modules-extra | <4.18.0-193.6.3.rt13.59.el8_2 | 4.18.0-193.6.3.rt13.59.el8_2 |
| redhat/kernel-rt-debuginfo | <4.18.0-193.6.3.rt13.59.el8_2 | 4.18.0-193.6.3.rt13.59.el8_2 |
| redhat/kernel-rt-devel | <4.18.0-193.6.3.rt13.59.el8_2 | 4.18.0-193.6.3.rt13.59.el8_2 |
| redhat/kernel-rt-modules | <4.18.0-193.6.3.rt13.59.el8_2 | 4.18.0-193.6.3.rt13.59.el8_2 |
| redhat/kernel-rt-modules-extra | <4.18.0-193.6.3.rt13.59.el8_2 | 4.18.0-193.6.3.rt13.59.el8_2 |
| redhat/kernel-rt-debug-kvm | <4.18.0-193.6.3.rt13.59.el8_2 | 4.18.0-193.6.3.rt13.59.el8_2 |
| redhat/kernel-rt-kvm | <4.18.0-193.6.3.rt13.59.el8_2 | 4.18.0-193.6.3.rt13.59.el8_2 |
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