{"type":"TYPE_SECURITY","shortCode":"RL","name":"RLSA-2023:0752","synopsis":"Moderate: grub2 security update","severity":"SEVERITY_MODERATE","topic":"An update is available for grub2.\nThis update affects Rocky Linux 9.\nA Common Vulnerability Scoring System (CVSS) base score, which gives a detailed severity rating, is available for each vulnerability from the CVE list","description":"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: Buffer overflow in grub_font_construct_glyph() can lead to out-of-bound write and possible secure boot bypass (CVE-2022-2601)\n\n* grub2: Heap based out-of-bounds write when redering certain unicode sequences (CVE-2022-3775)\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.","solution":null,"affectedProducts":["Rocky Linux 9"],"fixes":[{"ticket":"2112975","sourceBy":"Red Hat","sourceLink":"https:\/\/bugzilla.redhat.com\/show_bug.cgi?id=2112975","description":""},{"ticket":"2138880","sourceBy":"Red Hat","sourceLink":"https:\/\/bugzilla.redhat.com\/show_bug.cgi?id=2138880","description":""}],"cves":[{"name":"CVE-2022-2601","sourceBy":"MITRE","sourceLink":"https:\/\/cve.mitre.org\/cgi-bin\/cvename.cgi?name=CVE-2022-2601","cvss3ScoringVector":"CVSS:3.1\/AV:L\/AC:L\/PR:H\/UI:N\/S:C\/C:H\/I:H\/A:H","cvss3BaseScore":"8.2","cwe":"CWE-122->CWE-787"},{"name":"CVE-2022-3775","sourceBy":"MITRE","sourceLink":"https:\/\/cve.mitre.org\/cgi-bin\/cvename.cgi?name=CVE-2022-3775","cvss3ScoringVector":"CVSS:3.1\/AV:L\/AC:L\/PR:L\/UI:N\/S:U\/C:N\/I:H\/A:H","cvss3BaseScore":"7.1","cwe":"CWE-787"}],"references":[],"publishedAt":"2023-02-16T06:35:52.323618Z","rpms":{"Rocky Linux 9":{"nvras":["grub2-1:2.06-46.el9_1.3.rocky.0.2.src.rpm","grub2-common-1:2.06-46.el9_1.3.rocky.0.2.noarch.rpm","grub2-efi-aa64-1:2.06-46.el9_1.3.rocky.0.2.aarch64.rpm","grub2-efi-aa64-cdboot-1:2.06-46.el9_1.3.rocky.0.2.aarch64.rpm","grub2-efi-aa64-modules-1:2.06-46.el9_1.3.rocky.0.2.noarch.rpm","grub2-efi-x64-1:2.06-46.el9_1.3.rocky.0.2.x86_64.rpm","grub2-efi-x64-cdboot-1:2.06-46.el9_1.3.rocky.0.2.x86_64.rpm","grub2-efi-x64-modules-1:2.06-46.el9_1.3.rocky.0.2.noarch.rpm","grub2-pc-1:2.06-46.el9_1.3.rocky.0.2.x86_64.rpm","grub2-pc-modules-1:2.06-46.el9_1.3.rocky.0.2.noarch.rpm","grub2-ppc64le-1:2.06-46.el9_1.3.rocky.0.2.ppc64le.rpm","grub2-ppc64le-modules-1:2.06-46.el9_1.3.rocky.0.2.noarch.rpm","grub2-tools-1:2.06-46.el9_1.3.rocky.0.2.aarch64.rpm","grub2-tools-1:2.06-46.el9_1.3.rocky.0.2.ppc64le.rpm","grub2-tools-1:2.06-46.el9_1.3.rocky.0.2.x86_64.rpm","grub2-tools-debuginfo-1:2.06-46.el9_1.3.rocky.0.2.aarch64.rpm","grub2-tools-debuginfo-1:2.06-46.el9_1.3.rocky.0.2.ppc64le.rpm","grub2-tools-debuginfo-1:2.06-46.el9_1.3.rocky.0.2.x86_64.rpm","grub2-tools-efi-1:2.06-46.el9_1.3.rocky.0.2.x86_64.rpm","grub2-tools-efi-debuginfo-1:2.06-46.el9_1.3.rocky.0.2.x86_64.rpm","grub2-tools-extra-1:2.06-46.el9_1.3.rocky.0.2.aarch64.rpm","grub2-tools-extra-1:2.06-46.el9_1.3.rocky.0.2.ppc64le.rpm","grub2-tools-extra-1:2.06-46.el9_1.3.rocky.0.2.x86_64.rpm","grub2-tools-extra-debuginfo-1:2.06-46.el9_1.3.rocky.0.2.aarch64.rpm","grub2-tools-extra-debuginfo-1:2.06-46.el9_1.3.rocky.0.2.ppc64le.rpm","grub2-tools-extra-debuginfo-1:2.06-46.el9_1.3.rocky.0.2.x86_64.rpm","grub2-tools-minimal-1:2.06-46.el9_1.3.rocky.0.2.aarch64.rpm","grub2-tools-minimal-1:2.06-46.el9_1.3.rocky.0.2.ppc64le.rpm","grub2-tools-minimal-1:2.06-46.el9_1.3.rocky.0.2.x86_64.rpm","grub2-tools-minimal-debuginfo-1:2.06-46.el9_1.3.rocky.0.2.aarch64.rpm","grub2-tools-minimal-debuginfo-1:2.06-46.el9_1.3.rocky.0.2.ppc64le.rpm","grub2-tools-minimal-debuginfo-1:2.06-46.el9_1.3.rocky.0.2.x86_64.rpm"]}},"rebootSuggested":false,"buildReferences":[]}

Rocky Linux: RLSA-2023:0752 grub2 security update

February 16, 2023
An update is available for grub2. This update affects Rocky Linux 9. A Common Vulnerability Scoring System (CVSS) base score, which gives a detailed severity rating, is available for each vulnerability from the CVE list

Summary

An update is available for grub2. This update affects Rocky Linux 9. A Common Vulnerability Scoring System (CVSS) base score, which gives a detailed severity rating, is available for each vulnerability from the CVE list


RPMs

grub2-1:2.06-46.el9_1.3.rocky.0.2.src.rpm

grub2-common-1:2.06-46.el9_1.3.rocky.0.2.noarch.rpm

grub2-efi-aa64-1:2.06-46.el9_1.3.rocky.0.2.aarch64.rpm

grub2-efi-aa64-cdboot-1:2.06-46.el9_1.3.rocky.0.2.aarch64.rpm

grub2-efi-aa64-modules-1:2.06-46.el9_1.3.rocky.0.2.noarch.rpm

grub2-efi-x64-1:2.06-46.el9_1.3.rocky.0.2.x86_64.rpm

grub2-efi-x64-cdboot-1:2.06-46.el9_1.3.rocky.0.2.x86_64.rpm

grub2-efi-x64-modules-1:2.06-46.el9_1.3.rocky.0.2.noarch.rpm

grub2-pc-1:2.06-46.el9_1.3.rocky.0.2.x86_64.rpm

grub2-pc-modules-1:2.06-46.el9_1.3.rocky.0.2.noarch.rpm

grub2-ppc64le-1:2.06-46.el9_1.3.rocky.0.2.ppc64le.rpm

grub2-ppc64le-modules-1:2.06-46.el9_1.3.rocky.0.2.noarch.rpm

grub2-tools-1:2.06-46.el9_1.3.rocky.0.2.aarch64.rpm

grub2-tools-1:2.06-46.el9_1.3.rocky.0.2.ppc64le.rpm

grub2-tools-1:2.06-46.el9_1.3.rocky.0.2.x86_64.rpm

grub2-tools-debuginfo-1:2.06-46.el9_1.3.rocky.0.2.aarch64.rpm

grub2-tools-debuginfo-1:2.06-46.el9_1.3.rocky.0.2.ppc64le.rpm

grub2-tools-debuginfo-1:2.06-46.el9_1.3.rocky.0.2.x86_64.rpm

grub2-tools-efi-1:2.06-46.el9_1.3.rocky.0.2.x86_64.rpm

grub2-tools-efi-debuginfo-1:2.06-46.el9_1.3.rocky.0.2.x86_64.rpm

grub2-tools-extra-1:2.06-46.el9_1.3.rocky.0.2.aarch64.rpm

grub2-tools-extra-1:2.06-46.el9_1.3.rocky.0.2.ppc64le.rpm

grub2-tools-extra-1:2.06-46.el9_1.3.rocky.0.2.x86_64.rpm

grub2-tools-extra-debuginfo-1:2.06-46.el9_1.3.rocky.0.2.aarch64.rpm

grub2-tools-extra-debuginfo-1:2.06-46.el9_1.3.rocky.0.2.ppc64le.rpm

grub2-tools-extra-debuginfo-1:2.06-46.el9_1.3.rocky.0.2.x86_64.rpm

grub2-tools-minimal-1:2.06-46.el9_1.3.rocky.0.2.aarch64.rpm

grub2-tools-minimal-1:2.06-46.el9_1.3.rocky.0.2.ppc64le.rpm

grub2-tools-minimal-1:2.06-46.el9_1.3.rocky.0.2.x86_64.rpm

grub2-tools-minimal-debuginfo-1:2.06-46.el9_1.3.rocky.0.2.aarch64.rpm

grub2-tools-minimal-debuginfo-1:2.06-46.el9_1.3.rocky.0.2.ppc64le.rpm

grub2-tools-minimal-debuginfo-1:2.06-46.el9_1.3.rocky.0.2.x86_64.rpm

References

No References

CVEs

https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2022-2601

https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2022-3775

Severity
Name: RLSA-2023:0752
Affected Products: Rocky Linux 9

Fixes

https://bugzilla.redhat.com/show_bug.cgi?id=2112975

https://bugzilla.redhat.com/show_bug.cgi?id=2138880


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