Home / mailings [RHSA-2019:2405-01] Important: kernel-rt security update
Posted on 07 August 2019
RedHat===================================================================== Red Hat Security Advisory
Synopsis: Important: kernel-rt security update
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
CVE Names: CVE-2019-1125 CVE-2019-13272
=====================================================================
1. Summary:
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.
2. 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
3. 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: 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.
4. 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.
5. Bugs fixed (https://bugzilla.redhat.com/):
1724389 - CVE-2019-1125 kernel: hw: Spectre SWAPGS gadget vulnerability
1730895 - CVE-2019-13272 kernel: broken permission and object lifetime handling for PTRACE_TRACEME
6. 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
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-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-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
These packages are GPG signed by Red Hat for security. Our key and
details on how to verify the signature are available from
https://access.redhat.com/security/team/key/
7. 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
8. Contact:
The Red Hat security contact is <secalert@redhat.com>. More contact
details at https://access.redhat.com/security/team/contact/
Copyright 2019 Red Hat, Inc.
