- Vulnerability/
- RHSA-2021:2723
20/7/2021
RHSA-2021:2723: Important: kpatch-patch security update
First published: Tue Jul 20 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: size_t-to-int conversion vulnerability in the filesystem layer (CVE-2021-33909)</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_24_2-1-11.el8_1 | 4_18_0-147_24_2-1-11.el8_1 |
| redhat/kpatch-patch | <4_18_0-147_27_1-1-11.el8_1 | 4_18_0-147_27_1-1-11.el8_1 |
| redhat/kpatch-patch | <4_18_0-147_32_1-1-9.el8_1 | 4_18_0-147_32_1-1-9.el8_1 |
| redhat/kpatch-patch | <4_18_0-147_34_1-1-9.el8_1 | 4_18_0-147_34_1-1-9.el8_1 |
| redhat/kpatch-patch | <4_18_0-147_38_1-1-8.el8_1 | 4_18_0-147_38_1-1-8.el8_1 |
| redhat/kpatch-patch | <4_18_0-147_43_1-1-6.el8_1 | 4_18_0-147_43_1-1-6.el8_1 |
| redhat/kpatch-patch | <4_18_0-147_44_1-1-5.el8_1 | 4_18_0-147_44_1-1-5.el8_1 |
| redhat/kpatch-patch | <4_18_0-147_48_1-1-2.el8_1 | 4_18_0-147_48_1-1-2.el8_1 |
| redhat/kpatch-patch | <4_18_0-147_51_1-1-1.el8_1 | 4_18_0-147_51_1-1-1.el8_1 |
| redhat/kpatch-patch | <4_18_0-147_24_2-1-11.el8_1 | 4_18_0-147_24_2-1-11.el8_1 |
| redhat/kpatch-patch | <4_18_0-147_24_2-debuginfo-1-11.el8_1 | 4_18_0-147_24_2-debuginfo-1-11.el8_1 |
| redhat/kpatch-patch | <4_18_0-147_24_2-debugsource-1-11.el8_1 | 4_18_0-147_24_2-debugsource-1-11.el8_1 |
| redhat/kpatch-patch | <4_18_0-147_27_1-1-11.el8_1 | 4_18_0-147_27_1-1-11.el8_1 |
| redhat/kpatch-patch | <4_18_0-147_27_1-debuginfo-1-11.el8_1 | 4_18_0-147_27_1-debuginfo-1-11.el8_1 |
| redhat/kpatch-patch | <4_18_0-147_27_1-debugsource-1-11.el8_1 | 4_18_0-147_27_1-debugsource-1-11.el8_1 |
| redhat/kpatch-patch | <4_18_0-147_32_1-1-9.el8_1 | 4_18_0-147_32_1-1-9.el8_1 |
| redhat/kpatch-patch | <4_18_0-147_32_1-debuginfo-1-9.el8_1 | 4_18_0-147_32_1-debuginfo-1-9.el8_1 |
| redhat/kpatch-patch | <4_18_0-147_32_1-debugsource-1-9.el8_1 | 4_18_0-147_32_1-debugsource-1-9.el8_1 |
| redhat/kpatch-patch | <4_18_0-147_34_1-1-9.el8_1 | 4_18_0-147_34_1-1-9.el8_1 |
| redhat/kpatch-patch | <4_18_0-147_34_1-debuginfo-1-9.el8_1 | 4_18_0-147_34_1-debuginfo-1-9.el8_1 |
| redhat/kpatch-patch | <4_18_0-147_34_1-debugsource-1-9.el8_1 | 4_18_0-147_34_1-debugsource-1-9.el8_1 |
| redhat/kpatch-patch | <4_18_0-147_38_1-1-8.el8_1 | 4_18_0-147_38_1-1-8.el8_1 |
| redhat/kpatch-patch | <4_18_0-147_38_1-debuginfo-1-8.el8_1 | 4_18_0-147_38_1-debuginfo-1-8.el8_1 |
| redhat/kpatch-patch | <4_18_0-147_38_1-debugsource-1-8.el8_1 | 4_18_0-147_38_1-debugsource-1-8.el8_1 |
| redhat/kpatch-patch | <4_18_0-147_43_1-1-6.el8_1 | 4_18_0-147_43_1-1-6.el8_1 |
| redhat/kpatch-patch | <4_18_0-147_43_1-debuginfo-1-6.el8_1 | 4_18_0-147_43_1-debuginfo-1-6.el8_1 |
| redhat/kpatch-patch | <4_18_0-147_43_1-debugsource-1-6.el8_1 | 4_18_0-147_43_1-debugsource-1-6.el8_1 |
| redhat/kpatch-patch | <4_18_0-147_44_1-1-5.el8_1 | 4_18_0-147_44_1-1-5.el8_1 |
| redhat/kpatch-patch | <4_18_0-147_44_1-debuginfo-1-5.el8_1 | 4_18_0-147_44_1-debuginfo-1-5.el8_1 |
| redhat/kpatch-patch | <4_18_0-147_44_1-debugsource-1-5.el8_1 | 4_18_0-147_44_1-debugsource-1-5.el8_1 |
| redhat/kpatch-patch | <4_18_0-147_48_1-1-2.el8_1 | 4_18_0-147_48_1-1-2.el8_1 |
| redhat/kpatch-patch | <4_18_0-147_48_1-debuginfo-1-2.el8_1 | 4_18_0-147_48_1-debuginfo-1-2.el8_1 |
| redhat/kpatch-patch | <4_18_0-147_48_1-debugsource-1-2.el8_1 | 4_18_0-147_48_1-debugsource-1-2.el8_1 |
| redhat/kpatch-patch | <4_18_0-147_51_1-1-1.el8_1 | 4_18_0-147_51_1-1-1.el8_1 |
| redhat/kpatch-patch | <4_18_0-147_51_1-debuginfo-1-1.el8_1 | 4_18_0-147_51_1-debuginfo-1-1.el8_1 |
| redhat/kpatch-patch | <4_18_0-147_51_1-debugsource-1-1.el8_1 | 4_18_0-147_51_1-debugsource-1-1.el8_1 |
| redhat/kpatch-patch | <4_18_0-147_24_2-1-11.el8_1 | 4_18_0-147_24_2-1-11.el8_1 |
| redhat/kpatch-patch | <4_18_0-147_24_2-debuginfo-1-11.el8_1 | 4_18_0-147_24_2-debuginfo-1-11.el8_1 |
| redhat/kpatch-patch | <4_18_0-147_24_2-debugsource-1-11.el8_1 | 4_18_0-147_24_2-debugsource-1-11.el8_1 |
| redhat/kpatch-patch | <4_18_0-147_27_1-1-11.el8_1 | 4_18_0-147_27_1-1-11.el8_1 |
| redhat/kpatch-patch | <4_18_0-147_27_1-debuginfo-1-11.el8_1 | 4_18_0-147_27_1-debuginfo-1-11.el8_1 |
| redhat/kpatch-patch | <4_18_0-147_27_1-debugsource-1-11.el8_1 | 4_18_0-147_27_1-debugsource-1-11.el8_1 |
| redhat/kpatch-patch | <4_18_0-147_32_1-1-9.el8_1 | 4_18_0-147_32_1-1-9.el8_1 |
| redhat/kpatch-patch | <4_18_0-147_32_1-debuginfo-1-9.el8_1 | 4_18_0-147_32_1-debuginfo-1-9.el8_1 |
| redhat/kpatch-patch | <4_18_0-147_32_1-debugsource-1-9.el8_1 | 4_18_0-147_32_1-debugsource-1-9.el8_1 |
| redhat/kpatch-patch | <4_18_0-147_34_1-1-9.el8_1 | 4_18_0-147_34_1-1-9.el8_1 |
| redhat/kpatch-patch | <4_18_0-147_34_1-debuginfo-1-9.el8_1 | 4_18_0-147_34_1-debuginfo-1-9.el8_1 |
| redhat/kpatch-patch | <4_18_0-147_34_1-debugsource-1-9.el8_1 | 4_18_0-147_34_1-debugsource-1-9.el8_1 |
| redhat/kpatch-patch | <4_18_0-147_38_1-1-8.el8_1 | 4_18_0-147_38_1-1-8.el8_1 |
| redhat/kpatch-patch | <4_18_0-147_38_1-debuginfo-1-8.el8_1 | 4_18_0-147_38_1-debuginfo-1-8.el8_1 |
| redhat/kpatch-patch | <4_18_0-147_38_1-debugsource-1-8.el8_1 | 4_18_0-147_38_1-debugsource-1-8.el8_1 |
| redhat/kpatch-patch | <4_18_0-147_43_1-1-6.el8_1 | 4_18_0-147_43_1-1-6.el8_1 |
| redhat/kpatch-patch | <4_18_0-147_43_1-debuginfo-1-6.el8_1 | 4_18_0-147_43_1-debuginfo-1-6.el8_1 |
| redhat/kpatch-patch | <4_18_0-147_43_1-debugsource-1-6.el8_1 | 4_18_0-147_43_1-debugsource-1-6.el8_1 |
| redhat/kpatch-patch | <4_18_0-147_44_1-1-5.el8_1 | 4_18_0-147_44_1-1-5.el8_1 |
| redhat/kpatch-patch | <4_18_0-147_44_1-debuginfo-1-5.el8_1 | 4_18_0-147_44_1-debuginfo-1-5.el8_1 |
| redhat/kpatch-patch | <4_18_0-147_44_1-debugsource-1-5.el8_1 | 4_18_0-147_44_1-debugsource-1-5.el8_1 |
| redhat/kpatch-patch | <4_18_0-147_48_1-1-2.el8_1 | 4_18_0-147_48_1-1-2.el8_1 |
| redhat/kpatch-patch | <4_18_0-147_48_1-debuginfo-1-2.el8_1 | 4_18_0-147_48_1-debuginfo-1-2.el8_1 |
| redhat/kpatch-patch | <4_18_0-147_48_1-debugsource-1-2.el8_1 | 4_18_0-147_48_1-debugsource-1-2.el8_1 |
| redhat/kpatch-patch | <4_18_0-147_51_1-1-1.el8_1 | 4_18_0-147_51_1-1-1.el8_1 |
| redhat/kpatch-patch | <4_18_0-147_51_1-debuginfo-1-1.el8_1 | 4_18_0-147_51_1-debuginfo-1-1.el8_1 |
| redhat/kpatch-patch | <4_18_0-147_51_1-debugsource-1-1.el8_1 | 4_18_0-147_51_1-debugsource-1-1.el8_1 |
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Reference Links
Frequently Asked Questions
What is the severity of RHSA-2021:2723?
RHSA-2021:2723 has been classified as an important security issue by Red Hat.
How do I fix RHSA-2021:2723?
To fix RHSA-2021:2723, you should update to the patched versions of kpatch-patch provided by Red Hat.
What vulnerability is addressed by RHSA-2021:2723?
RHSA-2021:2723 addresses a size_t-to-int conversion vulnerability in the filesystem layer, identified as CVE-2021-33909.
Which systems are affected by RHSA-2021:2723?
RHSA-2021:2723 affects systems utilizing the vulnerable versions of the kpatch-patch package on Red Hat Enterprise Linux.
What is the impact of the vulnerability described in RHSA-2021:2723?
The impact of the vulnerability in RHSA-2021:2723 could potentially allow for denial of service or other security concerns.
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