RHEL 7 : kernel-rt (RHSA-2019:0514)
High Nessus Plugin ID 122843
Synopsis
The remote Red Hat host is missing one or more security updates.
Description
An update for kernel-rt 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.
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: Memory corruption due to incorrect socket cloning (CVE-2018-9568)
* kernel: Unprivileged users able to inspect kernel stacks of arbitrary tasks (CVE-2018-17972)
* kernel: Faulty computation of numberic bounds in the BPF verifier (CVE-2018-18445)
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 to the RHEL7.6.z batch#3 source tree (BZ#1672406)
Users of kernel-rt are advised to upgrade to these updated packages, which fix this bug.
Solution
Update the affected packages.