RHSA-2020:0027 — Security Advisory
Red Hat Security Advisory: kpatch-patch security update
Severity
ImportantRed Hat Product Security
Products
Official CSAF product identity
Published · January 6, 2020
Updated · August 25, 2026
Topic
An update for kpatch-patch is now available for Red Hat Enterprise Linux 7.
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: KVM: OOB memory access via mmio ring buffer (CVE-2019-14821)
-
kernel: local attacker can trigger multiple use-after-free conditions results in privilege escalation (CVE-2019-15239)
For more details about the security issue(s), including the impact, a CVSS score, acknowledgements, and other related information, refer to the CVE page(s) listed in the References section.