Red Hat Security Advisory 2020-3266-01 ≈ Packet Storm – Digitalmunition




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Published on August 4th, 2020 📆 | 4697 Views ⚑

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Red Hat Security Advisory 2020-3266-01 ≈ Packet Storm

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Red Hat Security Advisory

Synopsis: Important: kernel-rt security and bug fix update
Advisory ID: RHSA-2020:3266-01
Product: Red Hat Enterprise MRG for RHEL-6
Advisory URL: https://access.redhat.com/errata/RHSA-2020:3266
Issue date: 2020-08-03
CVE Names: CVE-2019-11487
=====================================================================

1. Summary:

An update for kernel-rt is now available for Red Hat Enterprise MRG 2.

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 MRG Realtime for RHEL 6 Server v.2 – 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: Count overflow in FUSE request leading to use-after-free issues.
(CVE-2019-11487)

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):

* update the MRG 2.5.z 3.10 realtime-kernel sources (BZ#1850280)

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/):

1703063 – CVE-2019-11487 kernel: Count overflow in FUSE request leading to use-after-free issues.

6. Package List:

Red Hat MRG Realtime for RHEL 6 Server v.2:

Source:
kernel-rt-3.10.0-693.71.2.rt56.670.el6rt.src.rpm

noarch:
kernel-rt-doc-3.10.0-693.71.2.rt56.670.el6rt.noarch.rpm
kernel-rt-firmware-3.10.0-693.71.2.rt56.670.el6rt.noarch.rpm

x86_64:
kernel-rt-3.10.0-693.71.2.rt56.670.el6rt.x86_64.rpm
kernel-rt-debug-3.10.0-693.71.2.rt56.670.el6rt.x86_64.rpm
kernel-rt-debug-debuginfo-3.10.0-693.71.2.rt56.670.el6rt.x86_64.rpm
kernel-rt-debug-devel-3.10.0-693.71.2.rt56.670.el6rt.x86_64.rpm
kernel-rt-debuginfo-3.10.0-693.71.2.rt56.670.el6rt.x86_64.rpm
kernel-rt-debuginfo-common-x86_64-3.10.0-693.71.2.rt56.670.el6rt.x86_64.rpm
kernel-rt-devel-3.10.0-693.71.2.rt56.670.el6rt.x86_64.rpm
kernel-rt-trace-3.10.0-693.71.2.rt56.670.el6rt.x86_64.rpm
kernel-rt-trace-debuginfo-3.10.0-693.71.2.rt56.670.el6rt.x86_64.rpm
kernel-rt-trace-devel-3.10.0-693.71.2.rt56.670.el6rt.x86_64.rpm
kernel-rt-vanilla-3.10.0-693.71.2.rt56.670.el6rt.x86_64.rpm
kernel-rt-vanilla-debuginfo-3.10.0-693.71.2.rt56.670.el6rt.x86_64.rpm
kernel-rt-vanilla-devel-3.10.0-693.71.2.rt56.670.el6rt.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-2019-11487
https://access.redhat.com/security/updates/classification/#important

8. Contact:

The Red Hat security contact is . More contact
details at https://access.redhat.com/security/team/contact/

Copyright 2020 Red Hat, Inc.
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