RHSA-2021:0848: Moderate: kernel security update

Published Mar 16, 2021
·
Updated

The kernel packages contain the Linux kernel, the core of any Linux operating system.Security Fix(es): kernel: performance counters race condition use-after-free (CVE-2020-14351) 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.

Affected Software

18 affected componentsFixes available
redhat/kernel<3.10.0-514.86.1.el7
3.10.0-514.86.1.el7
redhat/kernel<3.10.0-514.86.1.el7
3.10.0-514.86.1.el7
redhat/kernel-abi-whitelists<3.10.0-514.86.1.el7
3.10.0-514.86.1.el7
redhat/kernel-debug<3.10.0-514.86.1.el7
3.10.0-514.86.1.el7
redhat/kernel-debug-debuginfo<3.10.0-514.86.1.el7
3.10.0-514.86.1.el7
redhat/kernel-debug-devel<3.10.0-514.86.1.el7
3.10.0-514.86.1.el7
redhat/kernel-debuginfo<3.10.0-514.86.1.el7
3.10.0-514.86.1.el7
redhat/kernel-devel<3.10.0-514.86.1.el7
3.10.0-514.86.1.el7
redhat/kernel-doc<3.10.0-514.86.1.el7
3.10.0-514.86.1.el7
redhat/kernel-headers<3.10.0-514.86.1.el7
3.10.0-514.86.1.el7
redhat/kernel-tools<3.10.0-514.86.1.el7
3.10.0-514.86.1.el7
redhat/kernel-tools-debuginfo<3.10.0-514.86.1.el7
3.10.0-514.86.1.el7
redhat/kernel-tools-libs<3.10.0-514.86.1.el7
3.10.0-514.86.1.el7
redhat/kernel-tools-libs-devel<3.10.0-514.86.1.el7
3.10.0-514.86.1.el7
redhat/perf<3.10.0-514.86.1.el7
3.10.0-514.86.1.el7
redhat/perf-debuginfo<3.10.0-514.86.1.el7
3.10.0-514.86.1.el7
redhat/python-perf<3.10.0-514.86.1.el7
3.10.0-514.86.1.el7
redhat/python-perf-debuginfo<3.10.0-514.86.1.el7
3.10.0-514.86.1.el7

Remediation

Event History

Feb 9, 2026
Advisory Published
via Red Hat·01:21 PM
Data Sourced
via Red Hat·01:21 PM
RemedyDescriptionAffected Software

Frequently Asked Questions

1

What is the severity of RHSA-2021:0848?

RHSA-2021:0848 has a moderate severity level due to the potential vulnerability in the Linux kernel.

2

How do I fix RHSA-2021:0848?

You can resolve the issue by updating the kernel package to version 3.10.0-514.86.1.el7 or later.

3

What is the affected software for RHSA-2021:0848?

The affected software includes various kernel packages for Red Hat, specifically version 3.10.0-514.86.1.el7.

4

What CVE is associated with RHSA-2021:0848?

RHSA-2021:0848 addresses the CVE-2020-14351 vulnerability, which involves a performance counters race condition.

5

What impact does RHSA-2021:0848 have on system performance?

The vulnerability could potentially lead to a use-after-free issue, affecting the stability and security of the system.

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.
© 2026 SecAlerts Pty Ltd.
ABN: 70 645 966 203, ACN: 645 966 203