RLSA-2025:16154

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: 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: 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: commands/dump: The dump command is not in lockdown when secure boot is enabled (CVE-2025-1118)

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.