[RHSA-2019:2609-01] Important: kernel-rt security and bug fix update
Security announcements for all Red Hat products and services.
rhsa-announce at redhat.com
Tue Sep 3 17:44:29 UTC 2019
-----BEGIN PGP SIGNED MESSAGE-----
Hash: SHA256
=====================================================================
Red Hat Security Advisory
Synopsis: Important: kernel-rt security and bug fix update
Advisory ID: RHSA-2019:2609-01
Product: Red Hat Enterprise Linux
Advisory URL: https://access.redhat.com/errata/RHSA-2019:2609
Issue date: 2019-09-03
CVE Names: CVE-2019-1125 CVE-2019-9500
=====================================================================
1. Summary:
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.
2. Relevant releases/architectures:
Red Hat Enterprise Linux Realtime (v. 7) - noarch, x86_64
Red Hat Enterprise Linux for Real Time for NFV (v. 7) - noarch, 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: hw: Spectre SWAPGS gadget vulnerability (CVE-2019-1125)
* kernel: brcmfmac heap buffer overflow in brcmf_wowl_nd_results
(CVE-2019-9500)
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):
* BUG: scheduling while atomic in zswap (BZ#1737372)
* kernel-rt: update to the RHEL7.7.z batch#1 source tree (BZ#1740918)
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/):
1701224 - CVE-2019-9500 kernel: brcmfmac heap buffer overflow in brcmf_wowl_nd_results
1724389 - CVE-2019-1125 kernel: hw: Spectre SWAPGS gadget vulnerability
1737372 - BUG: scheduling while atomic in zswap [rhel-7.7.z]
1740918 - kernel-rt: update to the RHEL7.7.z batch#1 source tree
6. Package List:
Red Hat Enterprise Linux for Real Time for NFV (v. 7):
Source:
kernel-rt-3.10.0-1062.1.1.rt56.1024.el7.src.rpm
noarch:
kernel-rt-doc-3.10.0-1062.1.1.rt56.1024.el7.noarch.rpm
x86_64:
kernel-rt-3.10.0-1062.1.1.rt56.1024.el7.x86_64.rpm
kernel-rt-debug-3.10.0-1062.1.1.rt56.1024.el7.x86_64.rpm
kernel-rt-debug-debuginfo-3.10.0-1062.1.1.rt56.1024.el7.x86_64.rpm
kernel-rt-debug-devel-3.10.0-1062.1.1.rt56.1024.el7.x86_64.rpm
kernel-rt-debug-kvm-3.10.0-1062.1.1.rt56.1024.el7.x86_64.rpm
kernel-rt-debug-kvm-debuginfo-3.10.0-1062.1.1.rt56.1024.el7.x86_64.rpm
kernel-rt-debuginfo-3.10.0-1062.1.1.rt56.1024.el7.x86_64.rpm
kernel-rt-debuginfo-common-x86_64-3.10.0-1062.1.1.rt56.1024.el7.x86_64.rpm
kernel-rt-devel-3.10.0-1062.1.1.rt56.1024.el7.x86_64.rpm
kernel-rt-kvm-3.10.0-1062.1.1.rt56.1024.el7.x86_64.rpm
kernel-rt-kvm-debuginfo-3.10.0-1062.1.1.rt56.1024.el7.x86_64.rpm
kernel-rt-trace-3.10.0-1062.1.1.rt56.1024.el7.x86_64.rpm
kernel-rt-trace-debuginfo-3.10.0-1062.1.1.rt56.1024.el7.x86_64.rpm
kernel-rt-trace-devel-3.10.0-1062.1.1.rt56.1024.el7.x86_64.rpm
kernel-rt-trace-kvm-3.10.0-1062.1.1.rt56.1024.el7.x86_64.rpm
kernel-rt-trace-kvm-debuginfo-3.10.0-1062.1.1.rt56.1024.el7.x86_64.rpm
Red Hat Enterprise Linux Realtime (v. 7):
Source:
kernel-rt-3.10.0-1062.1.1.rt56.1024.el7.src.rpm
noarch:
kernel-rt-doc-3.10.0-1062.1.1.rt56.1024.el7.noarch.rpm
x86_64:
kernel-rt-3.10.0-1062.1.1.rt56.1024.el7.x86_64.rpm
kernel-rt-debug-3.10.0-1062.1.1.rt56.1024.el7.x86_64.rpm
kernel-rt-debug-debuginfo-3.10.0-1062.1.1.rt56.1024.el7.x86_64.rpm
kernel-rt-debug-devel-3.10.0-1062.1.1.rt56.1024.el7.x86_64.rpm
kernel-rt-debuginfo-3.10.0-1062.1.1.rt56.1024.el7.x86_64.rpm
kernel-rt-debuginfo-common-x86_64-3.10.0-1062.1.1.rt56.1024.el7.x86_64.rpm
kernel-rt-devel-3.10.0-1062.1.1.rt56.1024.el7.x86_64.rpm
kernel-rt-trace-3.10.0-1062.1.1.rt56.1024.el7.x86_64.rpm
kernel-rt-trace-debuginfo-3.10.0-1062.1.1.rt56.1024.el7.x86_64.rpm
kernel-rt-trace-devel-3.10.0-1062.1.1.rt56.1024.el7.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-2019-9500
https://access.redhat.com/security/updates/classification/#important
https://access.redhat.com/articles/4329821
8. Contact:
The Red Hat security contact is <secalert at redhat.com>. More contact
details at https://access.redhat.com/security/team/contact/
Copyright 2019 Red Hat, Inc.
-----BEGIN PGP SIGNATURE-----
Version: GnuPG v1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=RrTC
-----END PGP SIGNATURE-----
More information about the RHSA-announce
mailing list