RHSA-2021:0189: Important: kpatch-patch security update
First published: Tue Jan 19 2021(Updated: )
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.<br>Security Fix(es):<br><li> kernel: Local buffer overflow in ctnetlink_parse_tuple_filter in net/netfilter/nf_conntrack_netlink.c (CVE-2020-25211)</li> 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.
| Affected Software | Affected Version | How to fix |
|---|---|---|
| redhat/kpatch-patch | <4_18_0-147_13_2-1-6.el8_1 | 4_18_0-147_13_2-1-6.el8_1 |
| redhat/kpatch-patch | <4_18_0-147_20_1-1-5.el8_1 | 4_18_0-147_20_1-1-5.el8_1 |
| redhat/kpatch-patch | <4_18_0-147_24_2-1-3.el8_1 | 4_18_0-147_24_2-1-3.el8_1 |
| redhat/kpatch-patch | <4_18_0-147_27_1-1-3.el8_1 | 4_18_0-147_27_1-1-3.el8_1 |
| redhat/kpatch-patch | <4_18_0-147_32_1-1-1.el8_1 | 4_18_0-147_32_1-1-1.el8_1 |
| redhat/kpatch-patch | <4_18_0-147_34_1-1-1.el8_1 | 4_18_0-147_34_1-1-1.el8_1 |
| redhat/kpatch-patch | <4_18_0-147_5_1-1-10.el8_1 | 4_18_0-147_5_1-1-10.el8_1 |
| redhat/kpatch-patch | <4_18_0-147_8_1-1-8.el8_1 | 4_18_0-147_8_1-1-8.el8_1 |
| redhat/kpatch-patch | <4_18_0-147_13_2-1-6.el8_1 | 4_18_0-147_13_2-1-6.el8_1 |
| redhat/kpatch-patch | <4_18_0-147_13_2-debuginfo-1-6.el8_1 | 4_18_0-147_13_2-debuginfo-1-6.el8_1 |
| redhat/kpatch-patch | <4_18_0-147_13_2-debugsource-1-6.el8_1 | 4_18_0-147_13_2-debugsource-1-6.el8_1 |
| redhat/kpatch-patch | <4_18_0-147_20_1-1-5.el8_1 | 4_18_0-147_20_1-1-5.el8_1 |
| redhat/kpatch-patch | <4_18_0-147_20_1-debuginfo-1-5.el8_1 | 4_18_0-147_20_1-debuginfo-1-5.el8_1 |
| redhat/kpatch-patch | <4_18_0-147_20_1-debugsource-1-5.el8_1 | 4_18_0-147_20_1-debugsource-1-5.el8_1 |
| redhat/kpatch-patch | <4_18_0-147_24_2-1-3.el8_1 | 4_18_0-147_24_2-1-3.el8_1 |
| redhat/kpatch-patch | <4_18_0-147_24_2-debuginfo-1-3.el8_1 | 4_18_0-147_24_2-debuginfo-1-3.el8_1 |
| redhat/kpatch-patch | <4_18_0-147_24_2-debugsource-1-3.el8_1 | 4_18_0-147_24_2-debugsource-1-3.el8_1 |
| redhat/kpatch-patch | <4_18_0-147_27_1-1-3.el8_1 | 4_18_0-147_27_1-1-3.el8_1 |
| redhat/kpatch-patch | <4_18_0-147_27_1-debuginfo-1-3.el8_1 | 4_18_0-147_27_1-debuginfo-1-3.el8_1 |
| redhat/kpatch-patch | <4_18_0-147_27_1-debugsource-1-3.el8_1 | 4_18_0-147_27_1-debugsource-1-3.el8_1 |
| redhat/kpatch-patch | <4_18_0-147_32_1-1-1.el8_1 | 4_18_0-147_32_1-1-1.el8_1 |
| redhat/kpatch-patch | <4_18_0-147_32_1-debuginfo-1-1.el8_1 | 4_18_0-147_32_1-debuginfo-1-1.el8_1 |
| redhat/kpatch-patch | <4_18_0-147_32_1-debugsource-1-1.el8_1 | 4_18_0-147_32_1-debugsource-1-1.el8_1 |
| redhat/kpatch-patch | <4_18_0-147_34_1-1-1.el8_1 | 4_18_0-147_34_1-1-1.el8_1 |
| redhat/kpatch-patch | <4_18_0-147_34_1-debuginfo-1-1.el8_1 | 4_18_0-147_34_1-debuginfo-1-1.el8_1 |
| redhat/kpatch-patch | <4_18_0-147_34_1-debugsource-1-1.el8_1 | 4_18_0-147_34_1-debugsource-1-1.el8_1 |
| redhat/kpatch-patch | <4_18_0-147_5_1-1-10.el8_1 | 4_18_0-147_5_1-1-10.el8_1 |
| redhat/kpatch-patch | <4_18_0-147_8_1-1-8.el8_1 | 4_18_0-147_8_1-1-8.el8_1 |
| redhat/kpatch-patch | <4_18_0-147_13_2-1-6.el8_1 | 4_18_0-147_13_2-1-6.el8_1 |
| redhat/kpatch-patch | <4_18_0-147_13_2-debuginfo-1-6.el8_1 | 4_18_0-147_13_2-debuginfo-1-6.el8_1 |
| redhat/kpatch-patch | <4_18_0-147_13_2-debugsource-1-6.el8_1 | 4_18_0-147_13_2-debugsource-1-6.el8_1 |
| redhat/kpatch-patch | <4_18_0-147_20_1-1-5.el8_1 | 4_18_0-147_20_1-1-5.el8_1 |
| redhat/kpatch-patch | <4_18_0-147_20_1-debuginfo-1-5.el8_1 | 4_18_0-147_20_1-debuginfo-1-5.el8_1 |
| redhat/kpatch-patch | <4_18_0-147_20_1-debugsource-1-5.el8_1 | 4_18_0-147_20_1-debugsource-1-5.el8_1 |
| redhat/kpatch-patch | <4_18_0-147_24_2-1-3.el8_1 | 4_18_0-147_24_2-1-3.el8_1 |
| redhat/kpatch-patch | <4_18_0-147_24_2-debuginfo-1-3.el8_1 | 4_18_0-147_24_2-debuginfo-1-3.el8_1 |
| redhat/kpatch-patch | <4_18_0-147_24_2-debugsource-1-3.el8_1 | 4_18_0-147_24_2-debugsource-1-3.el8_1 |
| redhat/kpatch-patch | <4_18_0-147_27_1-1-3.el8_1 | 4_18_0-147_27_1-1-3.el8_1 |
| redhat/kpatch-patch | <4_18_0-147_27_1-debuginfo-1-3.el8_1 | 4_18_0-147_27_1-debuginfo-1-3.el8_1 |
| redhat/kpatch-patch | <4_18_0-147_27_1-debugsource-1-3.el8_1 | 4_18_0-147_27_1-debugsource-1-3.el8_1 |
| redhat/kpatch-patch | <4_18_0-147_32_1-1-1.el8_1 | 4_18_0-147_32_1-1-1.el8_1 |
| redhat/kpatch-patch | <4_18_0-147_32_1-debuginfo-1-1.el8_1 | 4_18_0-147_32_1-debuginfo-1-1.el8_1 |
| redhat/kpatch-patch | <4_18_0-147_32_1-debugsource-1-1.el8_1 | 4_18_0-147_32_1-debugsource-1-1.el8_1 |
| redhat/kpatch-patch | <4_18_0-147_34_1-1-1.el8_1 | 4_18_0-147_34_1-1-1.el8_1 |
| redhat/kpatch-patch | <4_18_0-147_34_1-debuginfo-1-1.el8_1 | 4_18_0-147_34_1-debuginfo-1-1.el8_1 |
| redhat/kpatch-patch | <4_18_0-147_34_1-debugsource-1-1.el8_1 | 4_18_0-147_34_1-debugsource-1-1.el8_1 |
| redhat/kpatch-patch | <4_18_0-147_5_1-1-10.el8_1 | 4_18_0-147_5_1-1-10.el8_1 |
| redhat/kpatch-patch | <4_18_0-147_8_1-1-8.el8_1 | 4_18_0-147_8_1-1-8.el8_1 |
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Reference Links
Frequently Asked Questions
What is the severity of RHSA-2021:0189?
The severity of RHSA-2021:0189 is classified as important.
How do I fix RHSA-2021:0189?
To fix RHSA-2021:0189, update the kpatch-patch package to the latest version provided by Red Hat.
What is the primary vulnerability addressed by RHSA-2021:0189?
The primary vulnerability addressed by RHSA-2021:0189 is a local buffer overflow in the ctnetlink_parse_tuple_filter function.
Which software versions are affected by RHSA-2021:0189?
RHSA-2021:0189 affects several versions of the kpatch-patch package up to and including version 4_18_0-147_34_1.
Are there any known exploits for RHSA-2021:0189?
As of now, there are no publicly known active exploits specifically targeting the vulnerability described in RHSA-2021:0189.
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