Issued at: 2025-10-04
Updated at: 2025-10-10
Synopsis
Moderate: grub2 security update
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: reader/jpeg: Heap OOB Write during JPEG parsing (CVE-2024-45774)
* grub2: commands/extcmd: Missing check for failed allocation (CVE-2024-45775)
* grub2: grub-core/gettext: Integer overflow leads to Heap OOB Write and Read. (CVE-2024-45776)
* grub2: fs/ufs: OOB write in the heap (CVE-2024-45781)
* grub2: fs/hfs+: refcount can be decremented twice (CVE-2024-45783)
* grub2: command/gpg: Use-after-free due to hooks not being removed on module unload (CVE-2025-0622)
* grub2: UFS: Integer overflow may lead to heap based out-of-bounds write when handling symlinks (CVE-2025-0677)
* grub2: read: Integer overflow may lead to out-of-bounds write (CVE-2025-0690)
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.
Additional Changes:
For detailed information on changes in this release, see the Rocky Linux 9 Release Notes linked from the References section.