Alerts This Week
Warning Icon 1 714
Alerts This Week
Warning Icon 1 714

Red Hat Enterprise Linux 9.0 RHSA-2023-1980-01 Critical Kernel-Rt Elevation

red hat
Calendar Grey April 25, 2023
Dist Redhat Esm H88
Crucial kernel-rt enhancement for Red Hat Enterprise Linux 9.0 resolves vulnerabilities and glitches, improving overall system reliability.
An update for kernel-rt is now available for Red Hat Enterprise Linux 9.0 Extended Update Support

Solution

For details on how to apply this update, which includes the changes described in this advisory, refer to:

https://access.redhat.com/articles/11258

The system must be rebooted for this update to take effect.

Summary

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: FUSE filesystem low-privileged user privileges escalation (CVE-2023-0386)
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-9.0.z8 Batch (BZ#2182175)

Topics%20covered

Topics Covered

security advisory privilege escalation Red Hat Enterprise Linux important update kernel-rt

References

https://access.redhat.com/security/cve/CVE-2023-0386 https://access.redhat.com/security/updates/classification#important

Package List

Red Hat Enterprise Linux Real Time for NFV EUS (v.9.0):
Source: kernel-rt-5.14.0-70.53.1.rt21.124.el9_0.src.rpm
x86_64: kernel-rt-5.14.0-70.53.1.rt21.124.el9_0.x86_64.rpm kernel-rt-core-5.14.0-70.53.1.rt21.124.el9_0.x86_64.rpm kernel-rt-debug-5.14.0-70.53.1.rt21.124.el9_0.x86_64.rpm kernel-rt-debug-core-5.14.0-70.53.1.rt21.124.el9_0.x86_64.rpm kernel-rt-debug-debuginfo-5.14.0-70.53.1.rt21.124.el9_0.x86_64.rpm kernel-rt-debug-devel-5.14.0-70.53.1.rt21.124.el9_0.x86_64.rpm kernel-rt-debug-kvm-5.14.0-70.53.1.rt21.124.el9_0.x86_64.rpm kernel-rt-debug-modules-5.14.0-70.53.1.rt21.124.el9_0.x86_64.rpm kernel-rt-debug-modules-extra-5.14.0-70.53.1.rt21.124.el9_0.x86_64.rpm kernel-rt-debuginfo-5.14.0-70.53.1.rt21.124.el9_0.x86_64.rpm kernel-rt-debuginfo-common-x86_64-5.14.0-70.53.1.rt21.124.el9_0.x86_64.rpm kernel-rt-devel-5.14.0-70.53.1.rt21.124.el9_0.x86_64.rpm kernel-rt-kvm-5.14.0-70.53.1.rt21.124.el9_0.x86_64.rpm kernel-rt-modules-5.14.0-70.53.1.rt21.124.el9_0.x86_64.rpm kernel-rt-modules-extra-5.14.0-70.53.1.rt21.124.el9_0.x86_64.rpm
Red Hat Enterprise Linux Real Time EUS (v.9.0):
Source: kernel-rt-5.14.0-70.53.1.rt21.124.el9_0.src.rpm
x86_64: kernel-rt-5.14.0-70.53.1.rt21.124.el9_0.x86_64.rpm kernel-rt-core-5.14.0-70.53.1.rt21.124.el9_0.x86_64.rpm

Read the Full Advisory


Severity
important
Lowest
Low
Medium
High
Critical

Advisory ID: RHSA-2023:1980-01
Product: Red Hat Enterprise Linux
Advisory URL: https://access.redhat.com/errata/RHSA-2023:1980
Issue date: 2023-04-25

Topic

An update for kernel-rt is now available for Red Hat Enterprise Linux 9.0Extended Update Support.Red Hat Product Security has rated this update as having a security impactof Important. A Common Vulnerability Scoring System (CVSS) base score,which gives a detailed severity rating, is available for each vulnerabilityfrom the CVE link(s) in the References section.

Topics%20covered

Topics Covered

security advisory privilege escalation Red Hat Enterprise Linux important update kernel-rt

Relevant Releases Architectures

Red Hat Enterprise Linux Real Time EUS (v.9.0) - x86_64

Red Hat Enterprise Linux Real Time for NFV EUS (v.9.0) - x86_64

Bugs Fixed

2159505 - CVE-2023-0386 kernel: FUSE filesystem low-privileged user privileges escalation

Get the latest News and Insights

Get the latest Linux and open source security news straight to your inbox.

Your message here