RHSA-2021:0689 — Security Advisory
Red Hat Security Advisory: kpatch-patch security update
Severity
ImportantRed Hat Product Security
Products
Official CSAF product identity
Published · March 3, 2021
Updated · June 28, 2026
Topic
An update is now available for Red Hat Enterprise Linux 8.1 Extended Update Support.
Red Hat Product Security has rated this update as having a security impact of Important. A Common Vulnerability Scoring System (CVSS) base score, which gives a detailed severity rating, is available for each vulnerability from the CVE link(s) in the References section.
Description
This is a kernel live patch module which is automatically loaded by the RPM post-install script to modify the code of a running kernel.
Security Fix(es):
-
kernel: bad kfree in auditfilter.c may lead to escalation of privilege (CVE-2020-0444)
-
kernel: locking issue in drivers/tty/tty_jobctrl.c can lead to an use-after-free (CVE-2020-29661)
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.