{"id":"ALSA-2025:6990","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.  \n\nSecurity Fix(es):  \n\n  * grub2: reader/jpeg: Heap OOB Write during JPEG parsing (CVE-2024-45774)\n  * grub2: commands/extcmd: Missing check for failed allocation (CVE-2024-45775)\n  * grub2: grub-core/gettext: Integer overflow leads to Heap OOB Write and Read. (CVE-2024-45776)\n  * grub2: fs/ufs: OOB write in the heap (CVE-2024-45781)\n  * grub2: fs/hfs+: refcount can be decremented twice (CVE-2024-45783)\n  * grub2: command/gpg: Use-after-free due to hooks not being removed on module unload (CVE-2025-0622)\n  * grub2: UFS: Integer overflow may lead to heap based out-of-bounds write when handling symlinks (CVE-2025-0677)\n  * grub2: read: Integer overflow may lead to out-of-bounds write (CVE-2025-0690)\n\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 AlmaLinuxRelease Notes linked from the References section.\n","modified":"2026-02-04T03:26:24.702586Z","published":"2025-05-13T00:00:00Z","related":["CVE-2024-45774","CVE-2024-45775","CVE-2024-45776","CVE-2024-45781","CVE-2024-45783","CVE-2025-0622","CVE-2025-0677","CVE-2025-0690"],"references":[{"type":"ADVISORY","url":"https://access.redhat.com/errata/RHSA-2025:6990"},{"type":"REPORT","url":"https://access.redhat.com/security/cve/CVE-2024-45774"},{"type":"REPORT","url":"https://access.redhat.com/security/cve/CVE-2024-45775"},{"type":"REPORT","url":"https://access.redhat.com/security/cve/CVE-2024-45776"},{"type":"REPORT","url":"https://access.redhat.com/security/cve/CVE-2024-45781"},{"type":"REPORT","url":"https://access.redhat.com/security/cve/CVE-2024-45783"},{"type":"REPORT","url":"https://access.redhat.com/security/cve/CVE-2025-0622"},{"type":"REPORT","url":"https://access.redhat.com/security/cve/CVE-2025-0677"},{"type":"REPORT","url":"https://access.redhat.com/security/cve/CVE-2025-0690"},{"type":"REPORT","url":"https://bugzilla.redhat.com/2337461"},{"type":"REPORT","url":"https://bugzilla.redhat.com/2337481"},{"type":"REPORT","url":"https://bugzilla.redhat.com/2339182"},{"type":"REPORT","url":"https://bugzilla.redhat.com/2345857"},{"type":"REPORT","url":"https://bugzilla.redhat.com/2345863"},{"type":"REPORT","url":"https://bugzilla.redhat.com/2345865"},{"type":"REPORT","url":"https://bugzilla.redhat.com/2346116"},{"type":"REPORT","url":"https://bugzilla.redhat.com/2346123"},{"type":"ADVISORY","url":"https://errata.almalinux.org/9/ALSA-2025-6990.html"}],"affected":[{"package":{"name":"grub2-common","ecosystem":"AlmaLinux:9","purl":"pkg:rpm/almalinux/grub2-common"},"ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"1:2.06-104.el9_6.alma.1"}]}],"database_specific":{"source":"https://github.com/AlmaLinux/osv-database/blob/master/advisories/almalinux9/ALSA-2025:6990.json"}},{"package":{"name":"grub2-efi-aa64","ecosystem":"AlmaLinux:9","purl":"pkg:rpm/almalinux/grub2-efi-aa64"},"ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"1:2.06-104.el9_6.alma.1"}]}],"database_specific":{"source":"https://github.com/AlmaLinux/osv-database/blob/master/advisories/almalinux9/ALSA-2025:6990.json"}},{"package":{"name":"grub2-efi-aa64-cdboot","ecosystem":"AlmaLinux:9","purl":"pkg:rpm/almalinux/grub2-efi-aa64-cdboot"},"ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"1:2.06-104.el9_6.alma.1"}]}],"database_specific":{"source":"https://github.com/AlmaLinux/osv-database/blob/master/advisories/almalinux9/ALSA-2025:6990.json"}},{"package":{"name":"grub2-efi-aa64-modules","ecosystem":"AlmaLinux:9","purl":"pkg:rpm/almalinux/grub2-efi-aa64-modules"},"ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"1:2.06-104.el9_6.alma.1"}]}],"database_specific":{"source":"https://github.com/AlmaLinux/osv-database/blob/master/advisories/almalinux9/ALSA-2025:6990.json"}},{"package":{"name":"grub2-efi-x64","ecosystem":"AlmaLinux:9","purl":"pkg:rpm/almalinux/grub2-efi-x64"},"ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"1:2.06-104.el9_6.alma.1"}]}],"database_specific":{"source":"https://github.com/AlmaLinux/osv-database/blob/master/advisories/almalinux9/ALSA-2025:6990.json"}},{"package":{"name":"grub2-efi-x64-cdboot","ecosystem":"AlmaLinux:9","purl":"pkg:rpm/almalinux/grub2-efi-x64-cdboot"},"ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"1:2.06-104.el9_6.alma.1"}]}],"database_specific":{"source":"https://github.com/AlmaLinux/osv-database/blob/master/advisories/almalinux9/ALSA-2025:6990.json"}},{"package":{"name":"grub2-efi-x64-modules","ecosystem":"AlmaLinux:9","purl":"pkg:rpm/almalinux/grub2-efi-x64-modules"},"ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"1:2.06-104.el9_6.alma.1"}]}],"database_specific":{"source":"https://github.com/AlmaLinux/osv-database/blob/master/advisories/almalinux9/ALSA-2025:6990.json"}},{"package":{"name":"grub2-pc","ecosystem":"AlmaLinux:9","purl":"pkg:rpm/almalinux/grub2-pc"},"ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"1:2.06-104.el9_6.alma.1"}]}],"database_specific":{"source":"https://github.com/AlmaLinux/osv-database/blob/master/advisories/almalinux9/ALSA-2025:6990.json"}},{"package":{"name":"grub2-pc-modules","ecosystem":"AlmaLinux:9","purl":"pkg:rpm/almalinux/grub2-pc-modules"},"ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"1:2.06-104.el9_6.alma.1"}]}],"database_specific":{"source":"https://github.com/AlmaLinux/osv-database/blob/master/advisories/almalinux9/ALSA-2025:6990.json"}},{"package":{"name":"grub2-ppc64le","ecosystem":"AlmaLinux:9","purl":"pkg:rpm/almalinux/grub2-ppc64le"},"ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"1:2.06-104.el9_6.alma.1"}]}],"database_specific":{"source":"https://github.com/AlmaLinux/osv-database/blob/master/advisories/almalinux9/ALSA-2025:6990.json"}},{"package":{"name":"grub2-ppc64le-modules","ecosystem":"AlmaLinux:9","purl":"pkg:r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