Explore top 10 tips to secure your open-source projects now. Read More

×
Alerts This Week
Warning Icon 1 428
Alerts This Week
Warning Icon 1 428

RedHat Enterprise Linux 8 RHSA-2019-2405-01 Important: Kernel-RT Security

red hat
Calendar Grey August 7, 2019
Dist Redhat Esm H88
Important kernel-rt security patch for Red Hat Enterprise Linux 8 resolves significant vulnerabilities affecting overall system performance.
An update for kernel-rt is now available for Red Hat Enterprise Linux 8

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: broken permission and object lifetime handling for PTRACE_TRACEME (CVE-2019-13272)
* kernel: hw: Spectre SWAPGS gadget vulnerability (CVE-2019-1125)
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.

Topics%20covered

Topics Covered

security advisory buffer overflow Red Hat Enterprise Linux security impact kernel-rt Spectre vulnerability PTRACE_TRACEME

References

https://access.redhat.com/security/cve/CVE-2019-1125 https://access.redhat.com/security/cve/CVE-2019-13272 https://access.redhat.com/security/updates/classification#important https://access.redhat.com/articles/4329821

Package List

Red Hat Enterprise Linux Real Time for NFV (v. 8):
Source: kernel-rt-4.18.0-80.7.2.rt9.154.el8_0.src.rpm
x86_64: kernel-rt-4.18.0-80.7.2.rt9.154.el8_0.x86_64.rpm kernel-rt-core-4.18.0-80.7.2.rt9.154.el8_0.x86_64.rpm kernel-rt-debug-4.18.0-80.7.2.rt9.154.el8_0.x86_64.rpm kernel-rt-debug-core-4.18.0-80.7.2.rt9.154.el8_0.x86_64.rpm kernel-rt-debug-debuginfo-4.18.0-80.7.2.rt9.154.el8_0.x86_64.rpm kernel-rt-debug-devel-4.18.0-80.7.2.rt9.154.el8_0.x86_64.rpm kernel-rt-debug-kvm-4.18.0-80.7.2.rt9.154.el8_0.x86_64.rpm kernel-rt-debug-kvm-debuginfo-4.18.0-80.7.2.rt9.154.el8_0.x86_64.rpm kernel-rt-debug-modules-4.18.0-80.7.2.rt9.154.el8_0.x86_64.rpm kernel-rt-debug-modules-extra-4.18.0-80.7.2.rt9.154.el8_0.x86_64.rpm kernel-rt-debuginfo-4.18.0-80.7.2.rt9.154.el8_0.x86_64.rpm kernel-rt-debuginfo-common-x86_64-4.18.0-80.7.2.rt9.154.el8_0.x86_64.rpm kernel-rt-devel-4.18.0-80.7.2.rt9.154.el8_0.x86_64.rpm kernel-rt-kvm-4.18.0-80.7.2.rt9.154.el8_0.x86_64.rpm kernel-rt-kvm-debuginfo-4.18.0-80.7.2.rt9.154.el8_0.x86_64.rpm kernel-rt-modules-4.18.0-80.7.2.rt9.154.el8_0.x86_64.rpm kernel-rt-modules-extra-4.18.0-80.7.2.rt9.154.el8_0.x86_64.rpm
Red Hat Enterprise Linux Real Time (v. 8):
Source: kernel-rt-4.18.0-80.7.2.rt9.154.el8_0.src.rpm
x86_64: kernel-rt-4.18.0-80.7.2.rt9.154.el8_0.x86_64.rpm

Read the Full Advisory


Severity
important
Lowest
Low
Medium
High
Critical

Advisory ID: RHSA-2019:2405-01
Product: Red Hat Enterprise Linux
Advisory URL: https://access.redhat.com/errata/RHSA-2019:2405
Issue date: 2019-08-07

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 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 buffer overflow Red Hat Enterprise Linux security impact kernel-rt Spectre vulnerability PTRACE_TRACEME

Relevant Releases Architectures

Red Hat Enterprise Linux Real Time (v. 8) - x86_64

Red Hat Enterprise Linux Real Time for NFV (v. 8) - x86_64

Bugs Fixed

1724389 - CVE-2019-1125 kernel: hw: Spectre SWAPGS gadget vulnerability

1730895 - CVE-2019-13272 kernel: broken permission and object lifetime handling for PTRACE_TRACEME

Get the latest News and Insights

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