- Vulnerability/
- RHSA-2023:0531
RHSA-2023:0531: Important: kernel-rt security and bug fix update
First published: Mon Jan 30 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> kernel-rt: update RT source tree to the RHEL-8.4.z14 source tree. (BZ#2151921)</li>
| Affected Software | Affected Version | How to fix |
|---|---|---|
| redhat/kernel-rt | <4.18.0-305.76.1.rt7.148.el8_4 | 4.18.0-305.76.1.rt7.148.el8_4 |
| redhat/kernel-rt | <4.18.0-305.76.1.rt7.148.el8_4 | 4.18.0-305.76.1.rt7.148.el8_4 |
| redhat/kernel-rt-core | <4.18.0-305.76.1.rt7.148.el8_4 | 4.18.0-305.76.1.rt7.148.el8_4 |
| redhat/kernel-rt-debug | <4.18.0-305.76.1.rt7.148.el8_4 | 4.18.0-305.76.1.rt7.148.el8_4 |
| redhat/kernel-rt-debug-core | <4.18.0-305.76.1.rt7.148.el8_4 | 4.18.0-305.76.1.rt7.148.el8_4 |
| redhat/kernel-rt-debug-debuginfo | <4.18.0-305.76.1.rt7.148.el8_4 | 4.18.0-305.76.1.rt7.148.el8_4 |
| redhat/kernel-rt-debug-devel | <4.18.0-305.76.1.rt7.148.el8_4 | 4.18.0-305.76.1.rt7.148.el8_4 |
| redhat/kernel-rt-debug-modules | <4.18.0-305.76.1.rt7.148.el8_4 | 4.18.0-305.76.1.rt7.148.el8_4 |
| redhat/kernel-rt-debug-modules-extra | <4.18.0-305.76.1.rt7.148.el8_4 | 4.18.0-305.76.1.rt7.148.el8_4 |
| redhat/kernel-rt-debuginfo | <4.18.0-305.76.1.rt7.148.el8_4 | 4.18.0-305.76.1.rt7.148.el8_4 |
| redhat/kernel-rt-devel | <4.18.0-305.76.1.rt7.148.el8_4 | 4.18.0-305.76.1.rt7.148.el8_4 |
| redhat/kernel-rt-modules | <4.18.0-305.76.1.rt7.148.el8_4 | 4.18.0-305.76.1.rt7.148.el8_4 |
| redhat/kernel-rt-modules-extra | <4.18.0-305.76.1.rt7.148.el8_4 | 4.18.0-305.76.1.rt7.148.el8_4 |
| redhat/kernel-rt-debug-kvm | <4.18.0-305.76.1.rt7.148.el8_4 | 4.18.0-305.76.1.rt7.148.el8_4 |
| redhat/kernel-rt-kvm | <4.18.0-305.76.1.rt7.148.el8_4 | 4.18.0-305.76.1.rt7.148.el8_4 |
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Reference Links
Frequently Asked Questions
What is the severity of RHSA-2023:0531?
The severity of RHSA-2023:0531 is classified as important.
What vulnerabilities are addressed in RHSA-2023:0531?
RHSA-2023:0531 addresses vulnerabilities including memory corruption in AX88179_178A based USB ethernet device (CVE-2022-2964).
How do I fix RHSA-2023:0531?
To fix RHSA-2023:0531, update to the remedial version 4.18.0-305.76.1.rt7.148.el8_4 of the kernel-rt packages.
Which packages are affected by RHSA-2023:0531?
The affected packages include kernel-rt, kernel-rt-core, and kernel-rt-debug among others.
Is RHSA-2023:0531 applicable to all systems?
RHSA-2023:0531 specifically pertains to systems running the Red Hat kernel-rt version prior to 4.18.0-305.76.1.rt7.148.el8_4.
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