CWE
119 190 416
Advisory Published
Advisory Published

RHSA-2021:2164: Important: kernel security update

First published: Tue Jun 01 2021(Updated: )

The kernel packages contain the Linux kernel, the core of any Linux operating system.<br>Security Fix(es):<br><li> kernel: Integer overflow in Intel(R) Graphics Drivers (CVE-2020-12362)</li> <li> kernel: Local buffer overflow in ctnetlink_parse_tuple_filter in net/netfilter/nf_conntrack_netlink.c (CVE-2020-25211)</li> <li> kernel: locking issue in drivers/tty/tty_jobctrl.c can lead to an use-after-free (CVE-2020-29661)</li> <li> kernel: malicious USB devices can lead to multiple out-of-bounds write (CVE-2019-19532)</li> <li> kernel: ICMP rate limiting can be used for DNS poisoning attack (CVE-2020-25705)</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.

Affected SoftwareAffected VersionHow to fix
redhat/kernel<3.10.0-693.87.1.el7
3.10.0-693.87.1.el7
redhat/kernel<3.10.0-693.87.1.el7
3.10.0-693.87.1.el7
redhat/kernel-abi-whitelists<3.10.0-693.87.1.el7
3.10.0-693.87.1.el7
redhat/kernel-debug<3.10.0-693.87.1.el7
3.10.0-693.87.1.el7
redhat/kernel-debug-debuginfo<3.10.0-693.87.1.el7
3.10.0-693.87.1.el7
redhat/kernel-debug-devel<3.10.0-693.87.1.el7
3.10.0-693.87.1.el7
redhat/kernel-debuginfo<3.10.0-693.87.1.el7
3.10.0-693.87.1.el7
redhat/kernel-devel<3.10.0-693.87.1.el7
3.10.0-693.87.1.el7
redhat/kernel-doc<3.10.0-693.87.1.el7
3.10.0-693.87.1.el7
redhat/kernel-headers<3.10.0-693.87.1.el7
3.10.0-693.87.1.el7
redhat/kernel-tools<3.10.0-693.87.1.el7
3.10.0-693.87.1.el7
redhat/kernel-tools-debuginfo<3.10.0-693.87.1.el7
3.10.0-693.87.1.el7
redhat/kernel-tools-libs<3.10.0-693.87.1.el7
3.10.0-693.87.1.el7
redhat/kernel-tools-libs-devel<3.10.0-693.87.1.el7
3.10.0-693.87.1.el7
redhat/perf<3.10.0-693.87.1.el7
3.10.0-693.87.1.el7
redhat/perf-debuginfo<3.10.0-693.87.1.el7
3.10.0-693.87.1.el7
redhat/python-perf<3.10.0-693.87.1.el7
3.10.0-693.87.1.el7
redhat/python-perf-debuginfo<3.10.0-693.87.1.el7
3.10.0-693.87.1.el7
redhat/kernel<3.10.0-693.87.1.el7
3.10.0-693.87.1.el7
redhat/kernel-bootwrapper<3.10.0-693.87.1.el7
3.10.0-693.87.1.el7
redhat/kernel-debug<3.10.0-693.87.1.el7
3.10.0-693.87.1.el7
redhat/kernel-debug-debuginfo<3.10.0-693.87.1.el7
3.10.0-693.87.1.el7
redhat/kernel-debug-devel<3.10.0-693.87.1.el7
3.10.0-693.87.1.el7
redhat/kernel-debuginfo<3.10.0-693.87.1.el7
3.10.0-693.87.1.el7
redhat/kernel-debuginfo-common-ppc64le<3.10.0-693.87.1.el7
3.10.0-693.87.1.el7
redhat/kernel-devel<3.10.0-693.87.1.el7
3.10.0-693.87.1.el7
redhat/kernel-headers<3.10.0-693.87.1.el7
3.10.0-693.87.1.el7
redhat/kernel-tools<3.10.0-693.87.1.el7
3.10.0-693.87.1.el7
redhat/kernel-tools-debuginfo<3.10.0-693.87.1.el7
3.10.0-693.87.1.el7
redhat/kernel-tools-libs<3.10.0-693.87.1.el7
3.10.0-693.87.1.el7
redhat/kernel-tools-libs-devel<3.10.0-693.87.1.el7
3.10.0-693.87.1.el7
redhat/perf<3.10.0-693.87.1.el7
3.10.0-693.87.1.el7
redhat/perf-debuginfo<3.10.0-693.87.1.el7
3.10.0-693.87.1.el7
redhat/python-perf<3.10.0-693.87.1.el7
3.10.0-693.87.1.el7
redhat/python-perf-debuginfo<3.10.0-693.87.1.el7
3.10.0-693.87.1.el7

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.

Frequently Asked Questions

  • What are the security issues addressed in RHSA-2021:2164?

    RHSA-2021:2164 addresses an integer overflow vulnerability in Intel Graphics Drivers (CVE-2020-12362) and a local buffer overflow in ctnetlink_parse_tuple_filter.

  • What is the severity of RHSA-2021:2164?

    The severity of RHSA-2021:2164 is considered moderate, based on the potential impact of the identified vulnerabilities.

  • How do I fix RHSA-2021:2164?

    To fix RHSA-2021:2164, you should update the kernel packages to version 3.10.0-693.87.1.el7 or later.

  • Which systems are affected by RHSA-2021:2164?

    Systems running kernel version lower than 3.10.0-693.87.1.el7 are affected by RHSA-2021:2164.

  • What packages should be updated for RHSA-2021:2164?

    You should update the kernel and its associated packages like kernel-debug, kernel-devel, and kernel-headers to remediate RHSA-2021:2164.

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.
© 2025 SecAlerts Pty Ltd.
ABN: 70 645 966 203, ACN: 645 966 203