RHSA-2020:2171 — Security Advisory
Red Hat Security Advisory: kernel-rt security and bug fix update
Severity
ImportantRed Hat Product Security
Products
Official CSAF product identity
Published · May 15, 2020
Updated · June 28, 2026
Topic
An update for kernel-rt is now available for Red Hat Enterprise Linux 8.
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
The kernel-rt packages provide the Real Time Linux Kernel, which enables fine-tuning for systems with extremely high determinism requirements.
Security Fix(es):
-
Kernel: NetLabel: null pointer dereference while receiving CIPSO packet with null category may cause kernel panic (CVE-2020-10711)
-
Kernel: kvm: nVMX: L2 guest may trick the L0 hypervisor to access sensitive L1 resources (CVE-2020-2732)
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.
Bug Fix(es):
- kernel-rt: update RT source tree to the latest RHEL-8.2.z source tree (BZ#1831781)