RLSA-2023:0752

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RLSA-2023:0752

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 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) 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: https://errata.rockylinux.org/RLSA-2023:0752, https://bugzilla.redhat.com/show_bug.cgi?id=2112975, https://bugzilla.redhat.com/show_bug.cgi?id=2138880