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Oracle Linux 8 ELSA-2026-4648 grub2 Moderate DoS CVE-2025-61662

oracle
Calendar Grey March 19, 2026
Oracle Linux Logo Esm H88
Oracle Linux 8 grub2 update addresses CVE-2025-61662 with moderate severity and important fixes.
The following updated rpms for Oracle Linux 8 have been uploaded to the Unbreakable Linux Network:

Summary

[2.02-170.0.1.el8_10.1] - Update grub2 dependencies to match new Secure Boot certificate chain of trust [Orabug: 37766761] - Fix typo in SBAT metadata [Orabug: 37693946] - Allow installation of grub2 only with shim-aa64 that allows booting it [Orabug: 37693946] - net/dns: Fix removal of DNS server [Orabug: 37539625] - net/dns: Simplify error handling of recv_hook() function [Orabug: 37539625] - net/dns: Add debugging messages in recv_hook() function [Orabug: 37539625] - net/dns: Fix lookup error when no IPv6 is returned [Orabug: 37539625] - Use correct os_name on OL - Backport the support for setting custom kernels as default kernels [Orabug: 36690061] - Restore correct SBAT entries - Replaced bugzilla.oracle.com references [Orabug: 35475894] - efinet: Close and reopen card on failure [Orabug: 35126950] - Fix CVE-2022-3775 [Orabug: 34867710] - Bump SBAT metadata for grub to 3 [Orabug: 34871758] - Enable signing on aarch64 - Don't try to switch to a BLS config if GRUB_ENABLE_BLSCFG ...

Read the Full Advisory

Topics%20covered

Topics Covered

security advisory moderate DoS Oracle Linux grub2 cve-2025-61662

SRPMs

http://oss.oracle.com/ol8/SRPMS-updates/grub2-2.02-170.0.1.el8_10.1.src.rpm

x86_64

grub2-common-2.02-170.0.1.el8_10.1.noarch.rpm grub2-efi-aa64-modules-2.02-170.0.1.el8_10.1.noarch.rpm grub2-efi-ia32-2.02-170.0.1.el8_10.1.x86_64.rpm grub2-efi-ia32-cdboot-2.02-170.0.1.el8_10.1.x86_64.rpm grub2-efi-ia32-modules-2.02-170.0.1.el8_10.1.noarch.rpm grub2-efi-x64-2.02-170.0.1.el8_10.1.x86_64.rpm grub2-efi-x64-cdboot-2.02-170.0.1.el8_10.1.x86_64.rpm grub2-efi-x64-modules-2.02-170.0.1.el8_10.1.noarch.rpm grub2-pc-2.02-170.0.1.el8_10.1.x86_64.rpm grub2-pc-modules-2.02-170.0.1.el8_10.1.noarch.rpm grub2-tools-2.02-170.0.1.el8_10.1.x86_64.rpm grub2-tools-efi-2.02-170.0.1.el8_10.1.x86_64.rpm grub2-tools-extra-2.02-170.0.1.el8_10.1.x86_64.rpm grub2-tools-minimal-2.02-170.0.1.el8_10.1.x86_64.rpm

aarch64

grub2-common-2.02-170.0.1.el8_10.1.noarch.rpm grub2-efi-aa64-2.02-170.0.1.el8_10.1.aarch64.rpm grub2-efi-aa64-cdboot-2.02-170.0.1.el8_10.1.aarch64.rpm grub2-efi-aa64-modules-2.02-170.0.1.el8_10.1.noarch.rpm grub2-efi-ia32-modules-2.02-170.0.1.el8_10.1.noarch.rpm grub2-efi-x64-modules-2.02-170.0.1.el8_10.1.noarch.rpm grub2-pc-modules-2.02-170.0.1.el8_10.1.noarch.rpm grub2-tools-2.02-170.0.1.el8_10.1.aarch64.rpm grub2-tools-extra-2.02-170.0.1.el8_10.1.aarch64.rpm grub2-tools-minimal-2.02-170.0.1.el8_10.1.aarch64.rpm

Related CVEs: CVE-2025-61662

Topics%20covered

Topics Covered

security advisory moderate DoS Oracle Linux grub2 cve-2025-61662

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