RLSA-2023:0049

Source
https://errata.rockylinux.org/RLSA-2023:0049
Import Source
https://storage.googleapis.com/resf-osv-data/RLSA-2023:0049.json
JSON Data
https://api.osv.dev/v1/vulns/RLSA-2023:0049
Related
Published
2023-01-09T14:23:31Z
Modified
2023-02-04T08:41:12.852020Z
Severity
  • 8.2 (High) CVSS_V3 - CVSS:3.1/AV:L/AC:L/PR:H/UI:N/S:C/C:H/I:H/A:H CVSS Calculator
Summary
Moderate: grub2 security update
Details

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 grubfontconstruct_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)

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.

References
Credits
    • Rocky Enterprise Software Foundation
    • Red Hat

Affected packages

Rocky Linux:8 / grub2

Package

Name
grub2
Purl
pkg:rpm/rocky-linux/grub2?distro=rocky-linux-8&epoch=1

Affected ranges

Type
ECOSYSTEM
Events
Introduced
0Unknown introduced version / All previous versions are affected
Fixed
1:2.02-142.el8_7.1.rocky.0.2