GNU GRand Unified Bootloader (GRUB) 2 1.97 only compares the submitted portion of a password with the actual password, which makes it easier for physically proximate attackers to conduct brute force attacks and bypass authentication by submitting a password whose length is 1.
| Product | Vendor Advisory | Solution File | Added | Published |
|---|---|---|---|---|
| Debian | — | Upgrade grub2 | Jul 30, 2024 | Dec 1, 2009 |
| Ubuntu | — | Upgrade grub2 | Nov 8, 2024 | Dec 1, 2009 |
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