RHSA-2020:2203: Important: kpatch-patch security update
First published: Tue May 19 2020(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: use-after-free in __blk_add_trace in kernel/trace/blktrace.c (CVE-2019-19768)</li> <li> Kernel: NetLabel: null pointer dereference while receiving CIPSO packet with null category may cause kernel panic (CVE-2020-10711)</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_0-147-1-13.el8 | 4_18_0-147-1-13.el8 |
| redhat/kpatch-patch | <4_18_0-147_0_2-1-9.el8 | 4_18_0-147_0_2-1-9.el8 |
| redhat/kpatch-patch | <4_18_0-147_0_3-1-9.el8 | 4_18_0-147_0_3-1-9.el8 |
| redhat/kpatch-patch | <4_18_0-147_3_1-1-9.el8_1 | 4_18_0-147_3_1-1-9.el8_1 |
| redhat/kpatch-patch | <4_18_0-147_5_1-1-4.el8_1 | 4_18_0-147_5_1-1-4.el8_1 |
| redhat/kpatch-patch | <4_18_0-147_8_1-1-2.el8_1 | 4_18_0-147_8_1-1-2.el8_1 |
| redhat/kpatch-patch | <4_18_0-147-1-13.el8 | 4_18_0-147-1-13.el8 |
| redhat/kpatch-patch | <4_18_0-147-debuginfo-1-13.el8 | 4_18_0-147-debuginfo-1-13.el8 |
| redhat/kpatch-patch | <4_18_0-147-debugsource-1-13.el8 | 4_18_0-147-debugsource-1-13.el8 |
| redhat/kpatch-patch | <4_18_0-147_0_2-1-9.el8 | 4_18_0-147_0_2-1-9.el8 |
| redhat/kpatch-patch | <4_18_0-147_0_2-debuginfo-1-9.el8 | 4_18_0-147_0_2-debuginfo-1-9.el8 |
| redhat/kpatch-patch | <4_18_0-147_0_2-debugsource-1-9.el8 | 4_18_0-147_0_2-debugsource-1-9.el8 |
| redhat/kpatch-patch | <4_18_0-147_0_3-1-9.el8 | 4_18_0-147_0_3-1-9.el8 |
| redhat/kpatch-patch | <4_18_0-147_3_1-1-9.el8_1 | 4_18_0-147_3_1-1-9.el8_1 |
| redhat/kpatch-patch | <4_18_0-147_5_1-1-4.el8_1 | 4_18_0-147_5_1-1-4.el8_1 |
| redhat/kpatch-patch | <4_18_0-147_8_1-1-2.el8_1 | 4_18_0-147_8_1-1-2.el8_1 |
| redhat/kpatch-patch | <4_18_0-147-1-13.el8 | 4_18_0-147-1-13.el8 |
| redhat/kpatch-patch | <4_18_0-147-debuginfo-1-13.el8 | 4_18_0-147-debuginfo-1-13.el8 |
| redhat/kpatch-patch | <4_18_0-147-debugsource-1-13.el8 | 4_18_0-147-debugsource-1-13.el8 |
| redhat/kpatch-patch | <4_18_0-147_0_2-1-9.el8 | 4_18_0-147_0_2-1-9.el8 |
| redhat/kpatch-patch | <4_18_0-147_0_2-debuginfo-1-9.el8 | 4_18_0-147_0_2-debuginfo-1-9.el8 |
| redhat/kpatch-patch | <4_18_0-147_0_2-debugsource-1-9.el8 | 4_18_0-147_0_2-debugsource-1-9.el8 |
| redhat/kpatch-patch | <4_18_0-147_0_3-1-9.el8 | 4_18_0-147_0_3-1-9.el8 |
| redhat/kpatch-patch | <4_18_0-147_3_1-1-9.el8_1 | 4_18_0-147_3_1-1-9.el8_1 |
| redhat/kpatch-patch | <4_18_0-147_5_1-1-4.el8_1 | 4_18_0-147_5_1-1-4.el8_1 |
| redhat/kpatch-patch | <4_18_0-147_8_1-1-2.el8_1 | 4_18_0-147_8_1-1-2.el8_1 |
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Reference Links
Frequently Asked Questions
What is the severity of RHSA-2020:2203?
The severity of RHSA-2020:2203 is classified as important.
How do I fix RHSA-2020:2203?
To fix RHSA-2020:2203, you should update to the latest kpatch-patch version specified in the advisory.
Which kernel vulnerability is addressed in RHSA-2020:2203?
RHSA-2020:2203 addresses a use-after-free vulnerability in __blk_add_trace in kernel/trace/blktrace.c (CVE-2019-19768).
What versions of kpatch-patch are affected by RHSA-2020:2203?
RHSA-2020:2203 affects several versions of kpatch-patch including 4_18_0-147-1-13.el8 and its variants.
Is there a known workaround for RHSA-2020:2203?
There are no specific workarounds available for RHSA-2020:2203, and it is recommended to apply the updates.
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