- Vulnerability/
- RHSA-2023:0114
RHSA-2023:0114: Important: kernel-rt security and bug fix update
First published: Thu Jan 12 2023(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: memory corruption in AX88179_178A based USB ethernet device. (CVE-2022-2964)</li> <li> kernel: i915: Incorrect GPU TLB flush can lead to random memory access (CVE-2022-4139)</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> The latest RHEL 8.7.z1 kernel changes need to be merged into the RT source tree to keep source parity between the two kernels. (BZ#2137411)</li> <li> [DELL EMC 8.6-RT BUG] System is not booting into RT Kernel with perc12. (BZ#2139867)</li>
| Affected Software | Affected Version | How to fix |
|---|---|---|
| redhat/kernel-rt | <4.18.0-425.10.1.rt7.220.el8_7 | 4.18.0-425.10.1.rt7.220.el8_7 |
| redhat/kernel-rt | <4.18.0-425.10.1.rt7.220.el8_7 | 4.18.0-425.10.1.rt7.220.el8_7 |
| redhat/kernel-rt-core | <4.18.0-425.10.1.rt7.220.el8_7 | 4.18.0-425.10.1.rt7.220.el8_7 |
| redhat/kernel-rt-debug | <4.18.0-425.10.1.rt7.220.el8_7 | 4.18.0-425.10.1.rt7.220.el8_7 |
| redhat/kernel-rt-debug-core | <4.18.0-425.10.1.rt7.220.el8_7 | 4.18.0-425.10.1.rt7.220.el8_7 |
| redhat/kernel-rt-debug-debuginfo | <4.18.0-425.10.1.rt7.220.el8_7 | 4.18.0-425.10.1.rt7.220.el8_7 |
| redhat/kernel-rt-debug-devel | <4.18.0-425.10.1.rt7.220.el8_7 | 4.18.0-425.10.1.rt7.220.el8_7 |
| redhat/kernel-rt-debug-modules | <4.18.0-425.10.1.rt7.220.el8_7 | 4.18.0-425.10.1.rt7.220.el8_7 |
| redhat/kernel-rt-debug-modules-extra | <4.18.0-425.10.1.rt7.220.el8_7 | 4.18.0-425.10.1.rt7.220.el8_7 |
| redhat/kernel-rt-debuginfo | <4.18.0-425.10.1.rt7.220.el8_7 | 4.18.0-425.10.1.rt7.220.el8_7 |
| redhat/kernel-rt-devel | <4.18.0-425.10.1.rt7.220.el8_7 | 4.18.0-425.10.1.rt7.220.el8_7 |
| redhat/kernel-rt-modules | <4.18.0-425.10.1.rt7.220.el8_7 | 4.18.0-425.10.1.rt7.220.el8_7 |
| redhat/kernel-rt-modules-extra | <4.18.0-425.10.1.rt7.220.el8_7 | 4.18.0-425.10.1.rt7.220.el8_7 |
| redhat/kernel-rt-debug-kvm | <4.18.0-425.10.1.rt7.220.el8_7 | 4.18.0-425.10.1.rt7.220.el8_7 |
| redhat/kernel-rt-kvm | <4.18.0-425.10.1.rt7.220.el8_7 | 4.18.0-425.10.1.rt7.220.el8_7 |
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Reference Links
Frequently Asked Questions
What is the severity of RHSA-2023:0114?
The severity of RHSA-2023:0114 is classified as important.
How do I fix RHSA-2023:0114?
To fix RHSA-2023:0114, update your system to the kernel-rt package version 4.18.0-425.10.1.rt7.220.el8_7.
What vulnerabilities are addressed in RHSA-2023:0114?
RHSA-2023:0114 addresses vulnerabilities including memory corruption in AX88179_178A based USB ethernet devices (CVE-2022-2964).
Which systems are affected by RHSA-2023:0114?
Systems running kernel-rt packages prior to version 4.18.0-425.10.1.rt7.220.el8_7 are affected by RHSA-2023:0114.
Is there a recommended action for users of affected packages in RHSA-2023:0114?
Yes, users of affected packages should promptly upgrade to the recommended kernel-rt version to mitigate security risks.
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