QID 241002

Date Published: 2022-12-12

QID 241002: Red Hat Update for grub2 (RHSA-2022:8900)

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...Security Fix(es):

    grub2: integer underflow in grub_net_recv_ip4_packets (cve-2022-28733).
Affected Products:
    Red Hat enterprise linux server 7 x86_64.
    Red hat enterprise linux workstation 7 x86_64.
    Red hat enterprise linux desktop 7 x86_64.
    Red hat enterprise linux for power, big endian 7 ppc64.
    Red hat enterprise linux for scientific computing 7 x86_64.
    Red hat enterprise linux for power, little endian 7 ppc64le.
.

Note: The preceding description block is extracted directly from the security advisory. Using automation, we have attempted to clean and format it as much as possible without introducing additional issues.

Successful exploitation of this vulnerability could lead to a security breach or could affect integrity, availability, and confidentiality.

  • CVSS V3 rated as Critical - 8.6 severity.
  • CVSS V2 rated as Medium - 5.4 severity.
    • Solution
    Refer to Red Hat security advisory RHSA-2022:8900 for updates and patch information.
    Vendor References

    CVEs related to QID 241002

    CVE-2022-28733 |
    Software Advisories
    Advisory ID Software Component Link
    RHSA-2022:8900 Red Hat Enterprise Linux URL Logo access.redhat.com/errata/RHSA-2022:8900
    By selecting these links, you may be leaving CVEreport webspace. We have provided these links to other websites because they may have information that would be of interest to you. No inferences should be drawn on account of other sites being referenced, or not, from this page. There may be other websites that are more appropriate for your purpose. CVEreport does not necessarily endorse the views expressed, or concur with the facts presented on these sites. Further, CVEreport does not endorse any commercial products that may be mentioned on these sites. Please address comments about any linked pages to [email protected].