RHSA-2022:2188: Important: kernel security update
First published: Wed May 11 2022(Updated: )
The kernel packages contain the Linux kernel, the core of any Linux operating system.<br>Security Fix(es):<br><li> kernel: use-after-free in RDMA listen() (CVE-2021-4028)</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/kernel | <3.10.0-693.100.1.el7 | 3.10.0-693.100.1.el7 |
| redhat/kernel | <3.10.0-693.100.1.el7 | 3.10.0-693.100.1.el7 |
| redhat/kernel-abi-whitelists | <3.10.0-693.100.1.el7 | 3.10.0-693.100.1.el7 |
| redhat/kernel-debug | <3.10.0-693.100.1.el7 | 3.10.0-693.100.1.el7 |
| redhat/kernel-debug-debuginfo | <3.10.0-693.100.1.el7 | 3.10.0-693.100.1.el7 |
| redhat/kernel-debug-devel | <3.10.0-693.100.1.el7 | 3.10.0-693.100.1.el7 |
| redhat/kernel-debuginfo | <3.10.0-693.100.1.el7 | 3.10.0-693.100.1.el7 |
| redhat/kernel-devel | <3.10.0-693.100.1.el7 | 3.10.0-693.100.1.el7 |
| redhat/kernel-doc | <3.10.0-693.100.1.el7 | 3.10.0-693.100.1.el7 |
| redhat/kernel-headers | <3.10.0-693.100.1.el7 | 3.10.0-693.100.1.el7 |
| redhat/kernel-tools | <3.10.0-693.100.1.el7 | 3.10.0-693.100.1.el7 |
| redhat/kernel-tools-debuginfo | <3.10.0-693.100.1.el7 | 3.10.0-693.100.1.el7 |
| redhat/kernel-tools-libs | <3.10.0-693.100.1.el7 | 3.10.0-693.100.1.el7 |
| redhat/kernel-tools-libs-devel | <3.10.0-693.100.1.el7 | 3.10.0-693.100.1.el7 |
| redhat/perf | <3.10.0-693.100.1.el7 | 3.10.0-693.100.1.el7 |
| redhat/perf-debuginfo | <3.10.0-693.100.1.el7 | 3.10.0-693.100.1.el7 |
| redhat/python-perf | <3.10.0-693.100.1.el7 | 3.10.0-693.100.1.el7 |
| redhat/python-perf-debuginfo | <3.10.0-693.100.1.el7 | 3.10.0-693.100.1.el7 |
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Reference Links
Frequently Asked Questions
What is the severity of RHSA-2022:2188?
The severity of RHSA-2022:2188 is categorized based on the CVE-2021-4028 vulnerability, which is a use-after-free issue in the RDMA listen() function.
What is the fix for RHSA-2022:2188?
To fix RHSA-2022:2188, you should upgrade to the kernel version 3.10.0-693.100.1.el7 or higher.
What packages are affected by RHSA-2022:2188?
Affected packages include kernel, kernel-debug, kernel-devel, and various other kernel-related packages in version 3.10.0-693.100.1.el7.
What does the CVE-2021-4028 vulnerability in RHSA-2022:2188 entail?
CVE-2021-4028 refers to a use-after-free vulnerability in the RDMA listen() function that can potentially allow an attacker to execute arbitrary code.
Is there a specific architecture affected by RHSA-2022:2188?
Yes, RHSA-2022:2188 primarily affects the x86_64 architecture within the specified kernel version.
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