Issued:
2024-04-23
Updated:
2024-04-23

RHSA-2024:2002 - Moderate: grub2 security update

Synopsis

Moderate: grub2 security update

Type/Severity

Security Advisory Moderate

Topic

An update for grub2 is now available for Red Hat Enterprise Linux 7.

Red Hat Product Security has rated this update as having a security impact of Moderate. A Common Vulnerability Scoring System (CVSS) base score, which gives a detailed severity rating, is available for each vulnerability from the CVE link(s) in the References section.

Description

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)

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.

Solution

For details on how to apply this update, refer to:

https://access.redhat.com/articles/11258

Affected Products

ProductVersionArch
Red Hat Enterprise Linux for Scientific Computing7x86_64
Red Hat Enterprise Linux for Power, little endian7ppc64le
Red Hat Enterprise Linux for Power, big endian7ppc64
Red Hat Enterprise Linux Workstation7x86_64
Red Hat Enterprise Linux Server7x86_64
Red Hat Enterprise Linux Server - Extended Life Cycle Support7x86_64
Red Hat Enterprise Linux Server - Extended Life Cycle Support for IBM Power, little endian7ppc64le
Red Hat Enterprise Linux Server - Extended Life Cycle Support for IBM Power, big endian7ppc64
Red Hat Enterprise Linux Desktop7x86_64

Updated Packages

  • grub2-2.02-0.87.el7_9.14.ppc64le.rpm
  • grub2-efi-aa64-modules-2.02-0.87.el7_9.14.noarch.rpm
  • grub2-ppc64-modules-2.02-0.87.el7_9.14.noarch.rpm
  • grub2-pc-2.02-0.87.el7_9.14.x86_64.rpm
  • grub2-tools-extra-2.02-0.87.el7_9.14.ppc64le.rpm
  • grub2-2.02-0.87.el7_9.14.ppc64.rpm
  • grub2-efi-ia32-2.02-0.87.el7_9.14.x86_64.rpm
  • grub2-2.02-0.87.el7_9.14.src.rpm
  • grub2-ppc64le-modules-2.02-0.87.el7_9.14.noarch.rpm
  • grub2-tools-minimal-2.02-0.87.el7_9.14.ppc64le.rpm
  • grub2-efi-x64-cdboot-2.02-0.87.el7_9.14.x86_64.rpm
  • grub2-debuginfo-2.02-0.87.el7_9.14.ppc64le.rpm
  • grub2-tools-minimal-2.02-0.87.el7_9.14.ppc64.rpm
  • grub2-pc-modules-2.02-0.87.el7_9.14.noarch.rpm
  • grub2-ppc-modules-2.02-0.87.el7_9.14.noarch.rpm
  • grub2-ppc64-2.02-0.87.el7_9.14.ppc64.rpm
  • grub2-efi-x64-2.02-0.87.el7_9.14.x86_64.rpm
  • grub2-tools-extra-2.02-0.87.el7_9.14.x86_64.rpm
  • grub2-ppc64le-2.02-0.87.el7_9.14.ppc64le.rpm
  • grub2-tools-2.02-0.87.el7_9.14.ppc64le.rpm
  • grub2-efi-ia32-modules-2.02-0.87.el7_9.14.noarch.rpm
  • grub2-tools-2.02-0.87.el7_9.14.x86_64.rpm
  • grub2-tools-2.02-0.87.el7_9.14.ppc64.rpm
  • grub2-common-2.02-0.87.el7_9.14.noarch.rpm
  • grub2-tools-extra-2.02-0.87.el7_9.14.ppc64.rpm
  • grub2-tools-minimal-2.02-0.87.el7_9.14.x86_64.rpm
  • grub2-debuginfo-2.02-0.87.el7_9.14.ppc64.rpm
  • grub2-2.02-0.87.el7_9.14.x86_64.rpm
  • grub2-debuginfo-2.02-0.87.el7_9.14.x86_64.rpm
  • grub2-efi-ia32-cdboot-2.02-0.87.el7_9.14.x86_64.rpm
  • grub2-efi-x64-modules-2.02-0.87.el7_9.14.noarch.rpm

Fixes

CVEs

References

Additional information