QID 241185

Date Published: 2023-02-16

QID 241185: Red Hat Update for grub2 (RHSA-2023:0752)

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: buffer overflow in grub_font_construct_glyph() can lead to out-of-bound write and possible secure boot bypass (cve-2022-2601).
    Grub2: heap based out-of-bounds write when redering certain unicode sequences (cve-2022-3775).
Affected Products:
    Red Hat enterprise linux for x86_64 9 x86_64.
    Red hat enterprise linux for power, little endian 9 ppc64le.
    Red hat enterprise linux for arm 64 9 aarch64.
.

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-2023:0752 for updates and patch information.
    Vendor References

    CVEs related to QID 241185

    CVE-2022-2601 | CVE-2022-3775 |
    Software Advisories
    Advisory ID Software Component Link
    RHSA-2023:0752 Red Hat Enterprise Linux URL Logo access.redhat.com/errata/RHSA-2023:0752
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