RHSA-2021:3439: Moderate: kernel-rt security and bug fix update
First published: Tue Sep 07 2021(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 route4_change() in net/sched/cls_route.c (CVE-2021-3715)</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-rt: update to the latest RHEL7.9.z source tree (BZ#1995878)</li>
| Affected Software | Affected Version | How to fix |
|---|---|---|
| redhat/kernel-rt | <3.10.0-1160.42.2.rt56.1182.el7 | 3.10.0-1160.42.2.rt56.1182.el7 |
| redhat/kernel-rt | <3.10.0-1160.42.2.rt56.1182.el7 | 3.10.0-1160.42.2.rt56.1182.el7 |
| redhat/kernel-rt-debug | <3.10.0-1160.42.2.rt56.1182.el7 | 3.10.0-1160.42.2.rt56.1182.el7 |
| redhat/kernel-rt-debug-debuginfo | <3.10.0-1160.42.2.rt56.1182.el7 | 3.10.0-1160.42.2.rt56.1182.el7 |
| redhat/kernel-rt-debug-devel | <3.10.0-1160.42.2.rt56.1182.el7 | 3.10.0-1160.42.2.rt56.1182.el7 |
| redhat/kernel-rt-debuginfo | <3.10.0-1160.42.2.rt56.1182.el7 | 3.10.0-1160.42.2.rt56.1182.el7 |
| redhat/kernel-rt-devel | <3.10.0-1160.42.2.rt56.1182.el7 | 3.10.0-1160.42.2.rt56.1182.el7 |
| redhat/kernel-rt-doc | <3.10.0-1160.42.2.rt56.1182.el7 | 3.10.0-1160.42.2.rt56.1182.el7 |
| redhat/kernel-rt-trace | <3.10.0-1160.42.2.rt56.1182.el7 | 3.10.0-1160.42.2.rt56.1182.el7 |
| redhat/kernel-rt-trace-debuginfo | <3.10.0-1160.42.2.rt56.1182.el7 | 3.10.0-1160.42.2.rt56.1182.el7 |
| redhat/kernel-rt-trace-devel | <3.10.0-1160.42.2.rt56.1182.el7 | 3.10.0-1160.42.2.rt56.1182.el7 |
| redhat/kernel-rt-debug-kvm | <3.10.0-1160.42.2.rt56.1182.el7 | 3.10.0-1160.42.2.rt56.1182.el7 |
| redhat/kernel-rt-debug-kvm-debuginfo | <3.10.0-1160.42.2.rt56.1182.el7 | 3.10.0-1160.42.2.rt56.1182.el7 |
| redhat/kernel-rt-kvm | <3.10.0-1160.42.2.rt56.1182.el7 | 3.10.0-1160.42.2.rt56.1182.el7 |
| redhat/kernel-rt-kvm-debuginfo | <3.10.0-1160.42.2.rt56.1182.el7 | 3.10.0-1160.42.2.rt56.1182.el7 |
| redhat/kernel-rt-trace-kvm | <3.10.0-1160.42.2.rt56.1182.el7 | 3.10.0-1160.42.2.rt56.1182.el7 |
| redhat/kernel-rt-trace-kvm-debuginfo | <3.10.0-1160.42.2.rt56.1182.el7 | 3.10.0-1160.42.2.rt56.1182.el7 |
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Reference Links
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