Protect yourself against future threats.
-----BEGIN PGP SIGNED MESSAGE-----
Hash: SHA256
===========================================================================
AUSCERT External Security Bulletin Redistribution
ESB-2021.0226
kpatch-patch security update
20 January 2021
===========================================================================
AusCERT Security Bulletin Summary
---------------------------------
Product: kpatch-patch
Publisher: Red Hat
Operating System: Red Hat
Impact/Access: Denial of Service -- Existing Account
Access Confidential Data -- Existing Account
Resolution: Patch/Upgrade
CVE Names: CVE-2020-25211
Reference: ESB-2021.0034
ESB-2020.4284
ESB-2020.4275.2
Original Bulletin:
https://access.redhat.com/errata/RHSA-2021:0189
- --------------------------BEGIN INCLUDED TEXT--------------------
- -----BEGIN PGP SIGNED MESSAGE-----
Hash: SHA256
=====================================================================
Red Hat Security Advisory
Synopsis: Important: kpatch-patch security update
Advisory ID: RHSA-2021:0189-01
Product: Red Hat Enterprise Linux
Advisory URL: https://access.redhat.com/errata/RHSA-2021:0189
Issue date: 2021-01-19
CVE Names: CVE-2020-25211
=====================================================================
1. Summary:
An update 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 BaseOS EUS (v. 8.1) - 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(es):
* kernel: Local buffer overflow in ctnetlink_parse_tuple_filter in
net/netfilter/nf_conntrack_netlink.c (CVE-2020-25211)
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
5. Bugs fixed (https://bugzilla.redhat.com/):
1877571 - CVE-2020-25211 kernel: Local buffer overflow in ctnetlink_parse_tuple_filter
in net/netfilter/nf_conntrack_netlink.c
6. Package List:
Red Hat Enterprise Linux BaseOS EUS (v. 8.1):
Source:
kpatch-patch-4_18_0-147_13_2-1-6.el8_1.src.rpm
kpatch-patch-4_18_0-147_20_1-1-5.el8_1.src.rpm
kpatch-patch-4_18_0-147_24_2-1-3.el8_1.src.rpm
kpatch-patch-4_18_0-147_27_1-1-3.el8_1.src.rpm
kpatch-patch-4_18_0-147_32_1-1-1.el8_1.src.rpm
kpatch-patch-4_18_0-147_34_1-1-1.el8_1.src.rpm
kpatch-patch-4_18_0-147_5_1-1-10.el8_1.src.rpm
kpatch-patch-4_18_0-147_8_1-1-8.el8_1.src.rpm
ppc64le:
kpatch-patch-4_18_0-147_13_2-1-6.el8_1.ppc64le.rpm
kpatch-patch-4_18_0-147_13_2-debuginfo-1-6.el8_1.ppc64le.rpm
kpatch-patch-4_18_0-147_13_2-debugsource-1-6.el8_1.ppc64le.rpm
kpatch-patch-4_18_0-147_20_1-1-5.el8_1.ppc64le.rpm
kpatch-patch-4_18_0-147_20_1-debuginfo-1-5.el8_1.ppc64le.rpm
kpatch-patch-4_18_0-147_20_1-debugsource-1-5.el8_1.ppc64le.rpm
kpatch-patch-4_18_0-147_24_2-1-3.el8_1.ppc64le.rpm
kpatch-patch-4_18_0-147_24_2-debuginfo-1-3.el8_1.ppc64le.rpm
kpatch-patch-4_18_0-147_24_2-debugsource-1-3.el8_1.ppc64le.rpm
kpatch-patch-4_18_0-147_27_1-1-3.el8_1.ppc64le.rpm
kpatch-patch-4_18_0-147_27_1-debuginfo-1-3.el8_1.ppc64le.rpm
kpatch-patch-4_18_0-147_27_1-debugsource-1-3.el8_1.ppc64le.rpm
kpatch-patch-4_18_0-147_32_1-1-1.el8_1.ppc64le.rpm
kpatch-patch-4_18_0-147_32_1-debuginfo-1-1.el8_1.ppc64le.rpm
kpatch-patch-4_18_0-147_32_1-debugsource-1-1.el8_1.ppc64le.rpm
kpatch-patch-4_18_0-147_34_1-1-1.el8_1.ppc64le.rpm
kpatch-patch-4_18_0-147_34_1-debuginfo-1-1.el8_1.ppc64le.rpm
kpatch-patch-4_18_0-147_34_1-debugsource-1-1.el8_1.ppc64le.rpm
kpatch-patch-4_18_0-147_5_1-1-10.el8_1.ppc64le.rpm
kpatch-patch-4_18_0-147_8_1-1-8.el8_1.ppc64le.rpm
x86_64:
kpatch-patch-4_18_0-147_13_2-1-6.el8_1.x86_64.rpm
kpatch-patch-4_18_0-147_13_2-debuginfo-1-6.el8_1.x86_64.rpm
kpatch-patch-4_18_0-147_13_2-debugsource-1-6.el8_1.x86_64.rpm
kpatch-patch-4_18_0-147_20_1-1-5.el8_1.x86_64.rpm
kpatch-patch-4_18_0-147_20_1-debuginfo-1-5.el8_1.x86_64.rpm
kpatch-patch-4_18_0-147_20_1-debugsource-1-5.el8_1.x86_64.rpm
kpatch-patch-4_18_0-147_24_2-1-3.el8_1.x86_64.rpm
kpatch-patch-4_18_0-147_24_2-debuginfo-1-3.el8_1.x86_64.rpm
kpatch-patch-4_18_0-147_24_2-debugsource-1-3.el8_1.x86_64.rpm
kpatch-patch-4_18_0-147_27_1-1-3.el8_1.x86_64.rpm
kpatch-patch-4_18_0-147_27_1-debuginfo-1-3.el8_1.x86_64.rpm
kpatch-patch-4_18_0-147_27_1-debugsource-1-3.el8_1.x86_64.rpm
kpatch-patch-4_18_0-147_32_1-1-1.el8_1.x86_64.rpm
kpatch-patch-4_18_0-147_32_1-debuginfo-1-1.el8_1.x86_64.rpm
kpatch-patch-4_18_0-147_32_1-debugsource-1-1.el8_1.x86_64.rpm
kpatch-patch-4_18_0-147_34_1-1-1.el8_1.x86_64.rpm
kpatch-patch-4_18_0-147_34_1-debuginfo-1-1.el8_1.x86_64.rpm
kpatch-patch-4_18_0-147_34_1-debugsource-1-1.el8_1.x86_64.rpm
kpatch-patch-4_18_0-147_5_1-1-10.el8_1.x86_64.rpm
kpatch-patch-4_18_0-147_8_1-1-8.el8_1.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-2020-25211
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 2021 Red Hat, Inc.
- -----BEGIN PGP SIGNATURE-----
Version: GnuPG v1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=oyds
- -----END PGP SIGNATURE-----
- --------------------------END INCLUDED TEXT--------------------
You have received this e-mail bulletin as a result of your organisation's
registration with AusCERT. The mailing list you are subscribed to is
maintained within your organisation, so if you do not wish to continue
receiving these bulletins you should contact your local IT manager. If
you do not know who that is, please send an email to auscert@auscert.org.au
and we will forward your request to the appropriate person.
NOTE: Third Party Rights
This security bulletin is provided as a service to AusCERT's members. As
AusCERT did not write the document quoted above, AusCERT has had no control
over its content. The decision to follow or act on information or advice
contained in this security bulletin is the responsibility of each user or
organisation, and should be considered in accordance with your organisation's
site policies and procedures. AusCERT takes no responsibility for consequences
which may arise from following or acting on information or advice contained in
this security bulletin.
NOTE: This is only the original release of the security bulletin. It may
not be updated when updates to the original are made. If downloading at
a later date, it is recommended that the bulletin is retrieved directly
from the author's website to ensure that the information is still current.
Contact information for the authors of the original document is included
in the Security Bulletin above. If you have any questions or need further
information, please contact them directly.
Previous advisories and external security bulletins can be retrieved from:
https://www.auscert.org.au/bulletins/
===========================================================================
Australian Computer Emergency Response Team
The University of Queensland
Brisbane
Qld 4072
Internet Email: auscert@auscert.org.au
Facsimile: (07) 3365 7031
Telephone: (07) 3365 4417 (International: +61 7 3365 4417)
AusCERT personnel answer during Queensland business hours
which are GMT+10:00 (AEST).
On call after hours for member emergencies only.
===========================================================================
-----BEGIN PGP SIGNATURE-----
Comment: http://www.auscert.org.au/render.html?it=1967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=ikIA
-----END PGP SIGNATURE-----