- Vulnerability/
- RHSA-2022:8900
RHSA-2022:8900: Important: grub2 security update
First published: Thu Dec 08 2022(Updated: )
The grub2 packages provide version 2 of the Grand Unified Boot Loader (GRUB), a highly configurable and customizable boot loader with modular architecture. The packages support a variety of kernel formats, file systems, computer architectures, and hardware devices.<br>Security Fix(es):<br><li> grub2: Integer underflow in grub_net_recv_ip4_packets (CVE-2022-28733)</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/grub2 | <2.02-0.87.el7_9.11 | 2.02-0.87.el7_9.11 |
| redhat/grub2 | <2.02-0.87.el7_9.11 | 2.02-0.87.el7_9.11 |
| redhat/grub2-common | <2.02-0.87.el7_9.11 | 2.02-0.87.el7_9.11 |
| redhat/grub2-debuginfo | <2.02-0.87.el7_9.11 | 2.02-0.87.el7_9.11 |
| redhat/grub2-efi-aa64-modules | <2.02-0.87.el7_9.11 | 2.02-0.87.el7_9.11 |
| redhat/grub2-efi-ia32 | <2.02-0.87.el7_9.11 | 2.02-0.87.el7_9.11 |
| redhat/grub2-efi-ia32-cdboot | <2.02-0.87.el7_9.11 | 2.02-0.87.el7_9.11 |
| redhat/grub2-efi-ia32-modules | <2.02-0.87.el7_9.11 | 2.02-0.87.el7_9.11 |
| redhat/grub2-efi-x64 | <2.02-0.87.el7_9.11 | 2.02-0.87.el7_9.11 |
| redhat/grub2-efi-x64-cdboot | <2.02-0.87.el7_9.11 | 2.02-0.87.el7_9.11 |
| redhat/grub2-efi-x64-modules | <2.02-0.87.el7_9.11 | 2.02-0.87.el7_9.11 |
| redhat/grub2-pc | <2.02-0.87.el7_9.11 | 2.02-0.87.el7_9.11 |
| redhat/grub2-pc-modules | <2.02-0.87.el7_9.11 | 2.02-0.87.el7_9.11 |
| redhat/grub2-ppc-modules | <2.02-0.87.el7_9.11 | 2.02-0.87.el7_9.11 |
| redhat/grub2-ppc64-modules | <2.02-0.87.el7_9.11 | 2.02-0.87.el7_9.11 |
| redhat/grub2-ppc64le-modules | <2.02-0.87.el7_9.11 | 2.02-0.87.el7_9.11 |
| redhat/grub2-tools | <2.02-0.87.el7_9.11 | 2.02-0.87.el7_9.11 |
| redhat/grub2-tools-extra | <2.02-0.87.el7_9.11 | 2.02-0.87.el7_9.11 |
| redhat/grub2-tools-minimal | <2.02-0.87.el7_9.11 | 2.02-0.87.el7_9.11 |
| redhat/grub2-debuginfo | <2.02-0.87.el7_9.11 | 2.02-0.87.el7_9.11 |
| redhat/grub2-ppc64 | <2.02-0.87.el7_9.11 | 2.02-0.87.el7_9.11 |
| redhat/grub2-tools | <2.02-0.87.el7_9.11 | 2.02-0.87.el7_9.11 |
| redhat/grub2-tools-extra | <2.02-0.87.el7_9.11 | 2.02-0.87.el7_9.11 |
| redhat/grub2-tools-minimal | <2.02-0.87.el7_9.11 | 2.02-0.87.el7_9.11 |
| redhat/grub2 | <2.02-0.87.el7_9.11 | 2.02-0.87.el7_9.11 |
| redhat/grub2-debuginfo | <2.02-0.87.el7_9.11 | 2.02-0.87.el7_9.11 |
| redhat/grub2-ppc64le | <2.02-0.87.el7_9.11 | 2.02-0.87.el7_9.11 |
| redhat/grub2-tools | <2.02-0.87.el7_9.11 | 2.02-0.87.el7_9.11 |
| redhat/grub2-tools-extra | <2.02-0.87.el7_9.11 | 2.02-0.87.el7_9.11 |
| redhat/grub2-tools-minimal | <2.02-0.87.el7_9.11 | 2.02-0.87.el7_9.11 |
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Reference Links
Frequently Asked Questions
What is the severity of RHSA-2022:8900?
RHSA-2022:8900 has been categorized with a severity level that indicates it poses a significant security risk.
How do I fix RHSA-2022:8900?
To remediate RHSA-2022:8900, you should update your grub2 packages to version 2.02-0.87.el7_9.11 or later.
Which packages are affected by RHSA-2022:8900?
RHSA-2022:8900 affects multiple packages related to grub2, including grub2, grub2-common, and grub2-tools, among others.
Is RHSA-2022:8900 a critical vulnerability?
Yes, RHSA-2022:8900 is considered critical as it can impact system boot processes and security.
Who is responsible for releasing the fix for RHSA-2022:8900?
The fix for RHSA-2022:8900 has been released by Red Hat, the vendor of the affected software.
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