RHSA-2022:7319: Important: kernel-rt security and bug fix update
First published: Wed Nov 02 2022(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> posix cpu timer use-after-free may lead to local privilege escalation (CVE-2022-2585)</li> <li> Unprivileged users may use PTRACE_SEIZE to set PTRACE_O_SUSPEND_SECCOMP option (CVE-2022-30594)</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> Update RT source tree to the latest RHEL-9.0.z4 Batch (BZ#2123498)</li>
| Affected Software | Affected Version | How to fix |
|---|---|---|
| redhat/kernel-rt | <5.14.0-70.30.1.rt21.102.el9_0 | 5.14.0-70.30.1.rt21.102.el9_0 |
| redhat/kernel-rt | <5.14.0-70.30.1.rt21.102.el9_0 | 5.14.0-70.30.1.rt21.102.el9_0 |
| redhat/kernel-rt-core | <5.14.0-70.30.1.rt21.102.el9_0 | 5.14.0-70.30.1.rt21.102.el9_0 |
| redhat/kernel-rt-debug | <5.14.0-70.30.1.rt21.102.el9_0 | 5.14.0-70.30.1.rt21.102.el9_0 |
| redhat/kernel-rt-debug-core | <5.14.0-70.30.1.rt21.102.el9_0 | 5.14.0-70.30.1.rt21.102.el9_0 |
| redhat/kernel-rt-debug-debuginfo | <5.14.0-70.30.1.rt21.102.el9_0 | 5.14.0-70.30.1.rt21.102.el9_0 |
| redhat/kernel-rt-debug-devel | <5.14.0-70.30.1.rt21.102.el9_0 | 5.14.0-70.30.1.rt21.102.el9_0 |
| redhat/kernel-rt-debug-modules | <5.14.0-70.30.1.rt21.102.el9_0 | 5.14.0-70.30.1.rt21.102.el9_0 |
| redhat/kernel-rt-debug-modules-extra | <5.14.0-70.30.1.rt21.102.el9_0 | 5.14.0-70.30.1.rt21.102.el9_0 |
| redhat/kernel-rt-debuginfo | <5.14.0-70.30.1.rt21.102.el9_0 | 5.14.0-70.30.1.rt21.102.el9_0 |
| redhat/kernel-rt-devel | <5.14.0-70.30.1.rt21.102.el9_0 | 5.14.0-70.30.1.rt21.102.el9_0 |
| redhat/kernel-rt-modules | <5.14.0-70.30.1.rt21.102.el9_0 | 5.14.0-70.30.1.rt21.102.el9_0 |
| redhat/kernel-rt-modules-extra | <5.14.0-70.30.1.rt21.102.el9_0 | 5.14.0-70.30.1.rt21.102.el9_0 |
| redhat/kernel-rt-debug-kvm | <5.14.0-70.30.1.rt21.102.el9_0 | 5.14.0-70.30.1.rt21.102.el9_0 |
| redhat/kernel-rt-kvm | <5.14.0-70.30.1.rt21.102.el9_0 | 5.14.0-70.30.1.rt21.102.el9_0 |
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Reference Links
Frequently Asked Questions
What is the severity of RHSA-2022:7319?
The severity of RHSA-2022:7319 is classified as important due to potential local privilege escalation risks.
How do I fix RHSA-2022:7319?
To fix RHSA-2022:7319, update the kernel-rt packages to the latest version 5.14.0-70.30.1.rt21.102.el9_0.
What vulnerabilities are addressed in RHSA-2022:7319?
RHSA-2022:7319 addresses a use-after-free vulnerability (CVE-2022-2585) that may lead to local privilege escalation.
Which packages are affected by RHSA-2022:7319?
Affected packages include kernel-rt, kernel-rt-core, kernel-rt-debug, and several others, all up to version 5.14.0-70.30.1.rt21.102.el9_0.
Is a reboot required after applying the fix for RHSA-2022:7319?
Yes, a reboot is typically required after updating the kernel-rt packages to ensure the changes take effect.
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