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Red Hat Security Advisory 2019-4171-01

Red Hat Security Advisory 2019-4171-01
Posted Dec 10, 2019
Authored by Red Hat | Site access.redhat.com

Red Hat Security Advisory 2019-4171-01 - This is a kernel live patch module which is automatically loaded by the RPM post-install script to modify the code of a running kernel. Issues addressed include a buffer overflow vulnerability.

tags | advisory, overflow, kernel
systems | linux, redhat
advisories | CVE-2019-9500
MD5 | 37c23e4c50eda89425f47b99d7f73071

Red Hat Security Advisory 2019-4171-01

Change Mirror Download
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====================================================================
Red Hat Security Advisory

Synopsis: Important: kpatch-patch security update
Advisory ID: RHSA-2019:4171-01
Product: Red Hat Enterprise Linux
Advisory URL: https://access.redhat.com/errata/RHSA-2019:4171
Issue date: 2019-12-10
CVE Names: CVE-2019-9500
====================================================================
1. Summary:

An update for kpatch-patch is now available for Red Hat Enterprise Linux
7.6 Extended Update Support.

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 Server EUS (v. 7.6) - ppc64le, x86_64

3. Description:

This is a kernel live patch module which is automatically loaded by the RPM
post-install script to modify the code of a running kernel.

Security Fix:

* 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.

4. Solution:

Before applying this update, make sure all previously released errata
relevant to your system have been applied.

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

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

5. Bugs fixed (https://bugzilla.redhat.com/):

1701224 - CVE-2019-9500 kernel: brcmfmac heap buffer overflow in brcmf_wowl_nd_results

6. Package List:

Red Hat Enterprise Linux Server EUS (v. 7.6):

Source:
kpatch-patch-3_10_0-957_35_1-1-3.el7.src.rpm
kpatch-patch-3_10_0-957_35_2-1-2.el7.src.rpm
kpatch-patch-3_10_0-957_38_1-1-1.el7.src.rpm
kpatch-patch-3_10_0-957_38_2-1-1.el7.src.rpm
kpatch-patch-3_10_0-957_38_3-1-1.el7.src.rpm

ppc64le:
kpatch-patch-3_10_0-957_35_1-1-3.el7.ppc64le.rpm
kpatch-patch-3_10_0-957_35_1-debuginfo-1-3.el7.ppc64le.rpm
kpatch-patch-3_10_0-957_35_2-1-2.el7.ppc64le.rpm
kpatch-patch-3_10_0-957_35_2-debuginfo-1-2.el7.ppc64le.rpm
kpatch-patch-3_10_0-957_38_1-1-1.el7.ppc64le.rpm
kpatch-patch-3_10_0-957_38_1-debuginfo-1-1.el7.ppc64le.rpm
kpatch-patch-3_10_0-957_38_2-1-1.el7.ppc64le.rpm
kpatch-patch-3_10_0-957_38_2-debuginfo-1-1.el7.ppc64le.rpm
kpatch-patch-3_10_0-957_38_3-1-1.el7.ppc64le.rpm
kpatch-patch-3_10_0-957_38_3-debuginfo-1-1.el7.ppc64le.rpm

x86_64:
kpatch-patch-3_10_0-957_35_1-1-3.el7.x86_64.rpm
kpatch-patch-3_10_0-957_35_1-debuginfo-1-3.el7.x86_64.rpm
kpatch-patch-3_10_0-957_35_2-1-2.el7.x86_64.rpm
kpatch-patch-3_10_0-957_35_2-debuginfo-1-2.el7.x86_64.rpm
kpatch-patch-3_10_0-957_38_1-1-1.el7.x86_64.rpm
kpatch-patch-3_10_0-957_38_1-debuginfo-1-1.el7.x86_64.rpm
kpatch-patch-3_10_0-957_38_2-1-1.el7.x86_64.rpm
kpatch-patch-3_10_0-957_38_2-debuginfo-1-1.el7.x86_64.rpm
kpatch-patch-3_10_0-957_38_3-1-1.el7.x86_64.rpm
kpatch-patch-3_10_0-957_38_3-debuginfo-1-1.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-2019-9500
https://access.redhat.com/security/updates/classification/#important

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.
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