CWE
416
Advisory Published

RHSA-2021:4875: Important: kernel-rt security and bug fix update

First published: Tue Nov 30 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 drivers/infiniband/core/ucma.c ctx use-after-free (CVE-2020-36385)</li> <li> kernel: timer tree corruption leads to missing wakeup and system freeze (CVE-2021-20317)</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.z13 Batch source tree (BZ#2020969)</li>

Affected SoftwareAffected VersionHow to fix
redhat/kernel-rt<4.18.0-193.70.1.rt13.120.el8_2
4.18.0-193.70.1.rt13.120.el8_2
redhat/kernel-rt<4.18.0-193.70.1.rt13.120.el8_2
4.18.0-193.70.1.rt13.120.el8_2
redhat/kernel-rt-core<4.18.0-193.70.1.rt13.120.el8_2
4.18.0-193.70.1.rt13.120.el8_2
redhat/kernel-rt-debug<4.18.0-193.70.1.rt13.120.el8_2
4.18.0-193.70.1.rt13.120.el8_2
redhat/kernel-rt-debug-core<4.18.0-193.70.1.rt13.120.el8_2
4.18.0-193.70.1.rt13.120.el8_2
redhat/kernel-rt-debug-debuginfo<4.18.0-193.70.1.rt13.120.el8_2
4.18.0-193.70.1.rt13.120.el8_2
redhat/kernel-rt-debug-devel<4.18.0-193.70.1.rt13.120.el8_2
4.18.0-193.70.1.rt13.120.el8_2
redhat/kernel-rt-debug-modules<4.18.0-193.70.1.rt13.120.el8_2
4.18.0-193.70.1.rt13.120.el8_2
redhat/kernel-rt-debug-modules-extra<4.18.0-193.70.1.rt13.120.el8_2
4.18.0-193.70.1.rt13.120.el8_2
redhat/kernel-rt-debuginfo<4.18.0-193.70.1.rt13.120.el8_2
4.18.0-193.70.1.rt13.120.el8_2
redhat/kernel-rt-devel<4.18.0-193.70.1.rt13.120.el8_2
4.18.0-193.70.1.rt13.120.el8_2
redhat/kernel-rt-modules<4.18.0-193.70.1.rt13.120.el8_2
4.18.0-193.70.1.rt13.120.el8_2
redhat/kernel-rt-modules-extra<4.18.0-193.70.1.rt13.120.el8_2
4.18.0-193.70.1.rt13.120.el8_2
redhat/kernel-rt-debug-kvm<4.18.0-193.70.1.rt13.120.el8_2
4.18.0-193.70.1.rt13.120.el8_2
redhat/kernel-rt-kvm<4.18.0-193.70.1.rt13.120.el8_2
4.18.0-193.70.1.rt13.120.el8_2

Never miss a vulnerability like this again

Sign up to SecAlerts for real-time vulnerability data matched to your software, aggregated from hundreds of sources.

Contact

SecAlerts Pty Ltd.
132 Wickham Terrace
Fortitude Valley,
QLD 4006, Australia
info@secalerts.co
By using SecAlerts services, you agree to our services end-user license agreement. This website is safeguarded by reCAPTCHA and governed by the Google Privacy Policy and Terms of Service. All names, logos, and brands of products are owned by their respective owners, and any usage of these names, logos, and brands for identification purposes only does not imply endorsement. If you possess any content that requires removal, please get in touch with us.
© 2024 SecAlerts Pty Ltd.
ABN: 70 645 966 203, ACN: 645 966 203