{"id":"RLSA-2022:2110","summary":"Low: grub2 security, bug fix, and enhancement 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.\n\nSecurity Fix(es):\n\n* grub2: Incorrect permission in grub.cfg allow unprivileged user to read the file content (CVE-2021-3981)\n\nFor 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.\n\nAdditional Changes:\n\nFor detailed information on changes in this release, see the Rocky Linux 8.6 Release Notes linked from the References section.","modified":"2026-02-04T13:45:09.944882Z","published":"2022-05-10T08:17:41Z","upstream":["CVE-2021-3981"],"references":[{"type":"ADVISORY","url":"https://errata.rockylinux.org/RLSA-2022:2110"},{"type":"REPORT","url":"https://bugzilla.redhat.com/show_bug.cgi?id=1809246"},{"type":"REPORT","url":"https://bugzilla.redhat.com/show_bug.cgi?id=1899903"},{"type":"REPORT","url":"https://bugzilla.redhat.com/show_bug.cgi?id=1914575"},{"type":"REPORT","url":"https://bugzilla.redhat.com/show_bug.cgi?id=2016269"},{"type":"REPORT","url":"https://bugzilla.redhat.com/show_bug.cgi?id=2020927"},{"type":"REPORT","url":"https://bugzilla.redhat.com/show_bug.cgi?id=2024170"},{"type":"REPORT","url":"https://bugzilla.redhat.com/show_bug.cgi?id=2048904"},{"type":"REPORT","url":"https://bugzilla.redhat.com/show_bug.cgi?id=2061252"},{"type":"REPORT","url":"https://bugzilla.redhat.com/show_bug.cgi?id=2069157"}],"affected":[{"package":{"name":"grub2","ecosystem":"Rocky Linux:8","purl":"pkg:rpm/rocky-linux/grub2?distro=rocky-linux-8-6-legacy&epoch=1"},"ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"1:2.02-123.el8"}],"database_specific":{"yum_repository":"BaseOS"}}],"database_specific":{"source":"https://storage.googleapis.com/resf-osv-data/RLSA-2022:2110.json"}}],"schema_version":"1.7.3","severity":[{"type":"CVSS_V3","score":"CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:L/I:N/A:N"}],"credits":[{"name":"Rocky Enterprise Software Foundation"},{"name":"Red Hat"}]}