What is the severity of RHSA-2022:1209?

The severity of RHSA-2022:1209 is classified as critical due to the potential for remote stack overflow that can lead to denial of service.

How do I fix RHSA-2022:1209?

To fix RHSA-2022:1209, you should update your kernel-rt packages to version 4.18.0-193.80.1.rt13.130.el8_2 or later.

What are the risks associated with RHSA-2022:1209?

The risks associated with RHSA-2022:1209 include potential denial of service attacks on systems using TIPC, which can disrupt system availability.

Which packages are affected by RHSA-2022:1209?

Affected packages include kernel-rt, kernel-rt-core, kernel-rt-debug, and several others within the Red Hat kernel-rt family.

What should I do if I can't update my kernel due to compatibility issues?

If you cannot update your kernel due to compatibility issues, consider reviewing your dependencies and testing updates in a staging environment before deployment.

Vulnerability/
RHSA-2022:1209

5/4/2022

RHSA-2022:1209: Important: kernel-rt security and bug fix update

First published: Tue Apr 05 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> kernel: remote stack overflow via kernel panic on systems using TIPC may lead to DoS (CVE-2022-0435)</li> <li> kernel: out-of-bounds read in in vc_do_resize function in drivers/tty/vt/vt.c (CVE-2020-8647)</li> <li> kernel: invalid read location in vgacon_invert_region function in drivers/video/console/vgacon.c (CVE-2020-8649)</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 latest RHEL-8.2.z16 Batch (BZ#2066950)</li>

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Reference Links

Frequently Asked Questions

What is the severity of RHSA-2022:1209?
The severity of RHSA-2022:1209 is classified as critical due to the potential for remote stack overflow that can lead to denial of service.
How do I fix RHSA-2022:1209?
To fix RHSA-2022:1209, you should update your kernel-rt packages to version 4.18.0-193.80.1.rt13.130.el8_2 or later.
What are the risks associated with RHSA-2022:1209?
The risks associated with RHSA-2022:1209 include potential denial of service attacks on systems using TIPC, which can disrupt system availability.
Which packages are affected by RHSA-2022:1209?
Affected packages include kernel-rt, kernel-rt-core, kernel-rt-debug, and several others within the Red Hat kernel-rt family.
What should I do if I can't update my kernel due to compatibility issues?
If you cannot update your kernel due to compatibility issues, consider reviewing your dependencies and testing updates in a staging environment before deployment.

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