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Vulnerabilities of Ubuntu grub2 in Ubuntu

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CVE Summary Score Published
CVE-2020-15707 Integer overflows were discovered in the functions grub_cmd_initrd and grub_initrd_init in the efilinux component of… 5.7 Medium Jul 29, 2020
CVE-2020-15706 GRUB2 contains a race condition in grub_script_function_create() leading to a use-after-free vulnerability which can… 6.4 Medium Jul 29, 2020
CVE-2020-15705 GRUB2 fails to validate kernel signature when booted directly without shim, allowing secure boot to be bypassed 6.4 Medium Jul 29, 2020

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