{"id":"ALSA-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 AlmaLinux Release Notes linked from the References section.","modified":"2026-01-30T01:01:29.418241Z","published":"2022-05-10T08:17:41Z","related":["CVE-2021-3981"],"references":[{"type":"ADVISORY","url":"https://errata.almalinux.org/8/ALSA-2022-2110.html"},{"type":"REPORT","url":"https://vulners.com/cve/CVE-2021-3981"}],"affected":[{"package":{"name":"grub2-common","ecosystem":"AlmaLinux:8","purl":"pkg:rpm/almalinux/grub2-common"},"ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"1:2.02-123.el8.alma"}]}],"database_specific":{"source":"https://github.com/AlmaLinux/osv-database/blob/master/advisories/almalinux8/ALSA-2022:2110.json"}},{"package":{"name":"grub2-efi-aa64","ecosystem":"AlmaLinux:8","purl":"pkg:rpm/almalinux/grub2-efi-aa64"},"ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"1:2.02-123.el8.alma"}]}],"database_specific":{"source":"https://github.com/AlmaLinux/osv-database/blob/master/advisories/almalinux8/ALSA-2022:2110.json"}},{"package":{"name":"grub2-efi-aa64-cdboot","ecosystem":"AlmaLinux:8","purl":"pkg:rpm/almalinux/grub2-efi-aa64-cdboot"},"ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"1:2.02-123.el8.alma"}]}],"database_specific":{"source":"https://github.com/AlmaLinux/osv-database/blob/master/advisories/almalinux8/ALSA-2022:2110.json"}},{"package":{"name":"grub2-efi-aa64-modules","ecosystem":"AlmaLinux:8","purl":"pkg:rpm/almalinux/grub2-efi-aa64-modules"},"ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"1:2.02-123.el8.alma"}]}],"database_specific":{"source":"https://github.com/AlmaLinux/osv-database/blob/master/advisories/almalinux8/ALSA-2022:2110.json"}},{"package":{"name":"grub2-efi-ia32","ecosystem":"AlmaLinux:8","purl":"pkg:rpm/almalinux/grub2-efi-ia32"},"ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"1:2.02-123.el8.alma"}]}],"database_specific":{"source":"https://github.com/AlmaLinux/osv-database/blob/master/advisories/almalinux8/ALSA-2022:2110.json"}},{"package":{"name":"grub2-efi-ia32-cdboot","ecosystem":"AlmaLinux:8","purl":"pkg:rpm/almalinux/grub2-efi-ia32-cdboot"},"ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"1:2.02-123.el8.alma"}]}],"database_specific":{"source":"https://github.com/AlmaLinux/osv-database/blob/master/advisories/almalinux8/ALSA-2022:2110.json"}},{"package":{"name":"grub2-efi-ia32-modules","ecosystem":"AlmaLinux:8","purl":"pkg:rpm/almalinux/grub2-efi-ia32-modules"},"ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"1:2.02-123.el8.alma"}]}],"database_specific":{"source":"https://github.com/AlmaLinux/osv-database/blob/master/advisories/almalinux8/ALSA-2022:2110.json"}},{"package":{"name":"grub2-efi-x64","ecosystem":"AlmaLinux:8","purl":"pkg:rpm/almalinux/grub2-efi-x64"},"ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"1:2.02-123.el8.alma"}]}],"database_specific":{"source":"https://github.com/AlmaLinux/osv-database/blob/master/advisories/almalinux8/ALSA-2022:2110.json"}},{"package":{"name":"grub2-efi-x64-cdboot","ecosystem":"AlmaLinux:8","purl":"pkg:rpm/almalinux/grub2-efi-x64-cdboot"},"ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"1:2.02-123.el8.alma"}]}],"database_specific":{"source":"https://github.com/AlmaLinux/osv-database/blob/master/advisories/almalinux8/ALSA-2022:2110.json"}},{"package":{"name":"grub2-efi-x64-modules","ecosystem":"AlmaLinux:8","purl":"pkg:rpm/almalinux/grub2-efi-x64-modules"},"ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"1:2.02-123.el8.alma"}]}],"database_specific":{"source":"https://github.com/AlmaLinux/osv-database/blob/master/advisories/almalinux8/ALSA-2022:2110.json"}},{"package":{"name":"grub2-pc","ecosystem":"AlmaLinux:8","purl":"pkg:rpm/almalinux/grub2-pc"},"ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"1:2.02-123.el8.alma"}]}],"database_specific":{"source":"https://github.com/AlmaLinux/osv-database/blob/master/advisories/almalinux8/ALSA-2022:2110.json"}},{"package":{"name":"grub2-pc-modules","ecosystem":"AlmaLinux:8","purl":"pkg:rpm/almalinux/grub2-pc-modules"},"ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"1:2.02-123.el8.alma"}]}],"database_specific":{"source":"https://github.com/AlmaLinux/osv-database/blob/master/advisories/almalinux8/ALSA-2022:2110.json"}},{"package":{"name":"grub2-ppc64le","ecosystem":"AlmaLinux:8","purl":"pkg:rpm/almalinux/grub2-ppc64le"},"ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"1:2.02-123.el8_6.8.alma"}]}],"database_specific":{"source":"https://github.com/AlmaLinux/osv-database/blob/master/advisories/almalinux8/ALSA-2022:2110.json"}},{"package":{"name":"grub2-ppc64le-modules","ecosystem":"AlmaLinux:8","purl":"pkg:rpm/almalinux/grub2-ppc64le-modules"},"ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"1:2.02-123.el8.alma"}]}],"database_specific":{"source":"https://github.com/AlmaLinux/osv-database/blob/master/advisories/almalinux8/ALSA-2022:2110.json"}},{"package":{"name":"grub2-tools","ecosystem":"AlmaLinux:8","purl":"pkg:rpm/almalinux/grub2-tools"},"ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"1:2.02-123.el8.alma"}]}],"database_specific":{"source":"https://github.com/AlmaLinux/osv-database/blob/master/advisories/almalinux8/ALSA-2022:2110.json"}},{"package":{"name":"grub2-tools-efi","ecosystem":"AlmaLinux:8","purl":"pkg:rpm/almalinux/grub2-tools-efi"},"ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"1:2.02-123.el8.alma"}]}],"database_specific":{"source":"https://github.com/AlmaLinux/osv-database/blob/master/advisories/almalinux8/ALSA-2022:2110.json"}},{"package":{"name":"grub2-tools-extra","ecosystem":"AlmaLinux:8","purl":"pkg:rpm/almalinux/grub2-tools-extra"},"ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"1:2.02-123.el8.alma"}]}],"database_specific":{"source":"https://github.com/AlmaLinux/osv-database/blob/master/advisories/almalinux8/ALSA-2022:2110.json"}},{"package":{"name":"grub2-tools-minimal","ecosystem":"AlmaLinux:8","purl":"pkg:rpm/almalinux/grub2-tools-minimal"},"ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"1:2.02-123.el8.alma"}]}],"database_specific":{"source":"https://github.com/AlmaLinux/osv-database/blob/master/advisories/almalinux8/ALSA-2022:2110.json"}}],"schema_version":"1.7.3"}